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(World Choice) First Lien Delayed Draw Term Loan SOFR(Q) Floor rate 1.00% and Spread 7.50% with Total Coupon 12.30% Maturity 8/7/20282023-03-310001326003Debt Investments Professional Services TLE Holdings, LLC First Lien Term Loan LIBOR(M) Floor Rate 1.00% Spread 5.50% with Total Coupon 9.88% Maturity 6/28/20242022-12-310001326003bkcc:SeniorSecuredRevolvingCreditFacilityMembersrt:MinimumMember2021-04-230001326003us-gaap:GeographicConcentrationRiskMembercountry:CHbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003bkcc:SeniorSecuredLoansMember2023-03-310001326003bkcc:MarchOneTwoThousandTwentyTwoMember2022-01-012022-03-310001326003Debt Investments Commercial Services & Supplies Thermostat Purchaser III, Inc. (Reedy Industries) Second Lien Term Loan Quarterly LIBOR Floor Rate 0.75% and Spread 7.25% with Total Coupon 12.20% Maturity 8/31/20292023-03-310001326003Debt Investments Software Zendesk, Inc. 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First Lien Term Loan SOFR(Q) Floor Rate 1.00% Spread 7.00% with Total Coupon 11.58% Maturity 12/29/20282022-12-310001326003us-gaap:AdditionalPaidInCapitalMember2023-01-012023-03-310001326003us-gaap:IncomeApproachValuationTechniqueMemberus-gaap:EquitySecuritiesMembersrt:MinimumMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMember2022-12-310001326003Debt Investments Insurance AmeriLife Holdings, LLC First Lien Term Loan SOFR(S) Floor rate 0.75% and Spread 5.75% with Total Coupon 10.88% Maturity 8/31/20292023-03-310001326003Debt Investments Software Syntellis Parent, LLC (Axiom Software) First Lien Term Loan SOFR(M) Floor Rate 0.75% Spread 6.50% with Total Coupon 11.31% Maturity 8/2/20272023-03-310001326003Controlled Affiliate Security Gordon Brothers Finance Company Common Stock2022-01-012022-12-310001326003bkcc:FloatingRateMemberbkcc:SeniorSecuredLoansMember2022-12-310001326003Debt Investments Construction & Engineering Geo Parent Corporation First Lien Term Loan Quarterly SOFR and Spread 5.25% with Total Coupon 10.17% Maturity 12/19/20252023-03-310001326003Non-Controlled Affiliate Security AGY Equity, LLC Class A Preferred Stock2022-12-310001326003Debt Investments Consumer Finance Freedom Financial Network Funding, LLC First Lien Delayed Draw Term Loan Semiannually SOFR Floor Rate 1.00% and Spread 9.00% with Total Coupon 13.95% Maturity 9/21/20272022-12-310001326003bkcc:TwoThousandAndTwentyFivePrivatePlacementNotesMemberus-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember2022-12-310001326003bkcc:BankDebtMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Memberbkcc:MeasurementInputEBITDAOrRevenueMultiplesMember2023-03-310001326003Debt Investments Health Care Providers & Services Opco Borrower, LLC (Giving Home Health Care) First Lien Term Loan SOFR(Q) Floor Rate 1.00% and Spread 6.50% with Total Coupon 11.50% Maturity 8/19/20272023-03-310001326003Debt Investments Commercial Services & Supplies Kellermeyer Bergensons Services, LLC First Lien Delayed Draw Term Loan A Quarterly LIBOR Floor Rate 1.00% and Spread 6.00% with Total Coupon 10.41% Maturity 11/7/20262022-12-310001326003Debt Investments Media NEP II, Inc. Second Lien Term Loan LIBOR(M) Spread 7.00% with Total Coupon 11.38% Maturity 10/19/20262022-12-310001326003Equity Securities Diversified Consumer Services Elevate Brands Holdco Inc. Warrants to Purchase Common Stock Expiration 3/14/20322022-12-310001326003Investment Razor Group GmbH (Germany), Warrants to Purchase Preferred Series A1 Shares Initial Acquisition Date 4/28/20212022-01-012022-12-310001326003Debt Investments Software Bonterra LLC (fka CyberGrants Holdings, LLC) First Lien Revolver LIBOR(Q) Floor Rate 0.75% Spread 6.25% with Total Coupon 10.98% Maturity 9/8/20272022-12-310001326003Debt Investments Diversified Consumer Services Razor Group GmbH (Germany) First Lien Delayed Draw Term Loan Monthly LIBOR Floor Rate 1.00% and Spread 9.00% with Total Coupon 14.21% Maturity 4/30/20252022-12-310001326003Equity Securities Diversified Financial Services Gordon Brothers Finance Company Common Stock2022-12-310001326003Non-Controlled Affiliate Security AGY Equity, LLC Class C Common Stock2021-12-310001326003Investment PerchHQ LLC, Warrants to Purchase Common Stock Initial Acquisition Date 9/30/20222022-01-012022-12-310001326003bkcc:NonControlledAffiliatedInvestmentsMember2023-03-310001326003Equity Securities Diversified Financial Services Worldremit Group Limited (United Kingdom) Warrants to Purchase Series E Stock Expiration 8/27/20312022-12-310001326003bkcc:SeniorSecuredLoansSecondOrOtherPriorityLienMember2022-12-310001326003Investment Blackbird Holdco, Inc. (Ohio Transmission Corp.), Preferred Stock Initial Acquisition Date 12/14/20212023-01-012023-03-310001326003us-gaap:EquitySecuritiesMembersrt:MaximumMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Memberbkcc:MeasurementInputImpliedVolatilityMember2023-03-310001326003bkcc:TwoThousandAndTwentyFivePrivatePlacementNotesMember2023-01-012023-03-310001326003Debt Investments Diversified Financial Services Accordion Partners LLC First Lien Revolver Monthly SOFR Floor Rate 0.75% and Spread 6.25% with Total Coupon 11.06% Maturity 8/31/20282023-03-310001326003bkcc:UnsecuredSeniorNotesDueTwoThousandTwentyFiveMemberbkcc:TrancheTwoMember2022-06-090001326003Debt Investments Construction & Engineering Homerenew Buyer, Inc. (Project Dream) First Lien Revolver Quarterly SOFR Floor Rate 1.00% and Spread 6.50% with Total Coupon 11.37% Maturity 11/23/20272023-03-310001326003Debt Investments Software Zendesk, Inc. First Lien Delayed Draw Term Loan SOFR(Q) Floor Rate 0.75% Spread 6.50% with Total Coupon 11.04% Maturity 11/22/20282022-12-310001326003Debt Investments Software Zendesk, Inc. First Lien Term Loan SOFR(Q) Floor Rate 0.75% Spread 3.50% Cash + 3.50% PIK with Total Coupon 11.88% Maturity 11/22/20282023-03-310001326003Debt Investments Diversified Consumer Services Thras.io, LLC First Lien Delayed Draw Term Loan Semiannually LIBOR Floor Rate 1.00% and Spread 7.00% with Total Coupon 11.17% Maturity 12/18/20262022-12-310001326003bkcc:IndustryConcentrationRiskMemberbkcc:SpecialtyRetailMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003bkcc:BankDebtMember2022-01-012022-03-310001326003bkcc:SeniorSecuredLoansMembersrt:MinimumMemberus-gaap:BaseRateMember2023-03-310001326003us-gaap:GeographicConcentrationRiskMembercountry:SIbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003Debt Investments Software Backoffice Associates Holdings, LLC (Syniti) First Lien Revolver PRIME Floor Rate 1.00% Spread 6.75% with Total Coupon 14.75% Maturity 4/30/20262023-03-310001326003Debt Investments Health Care Providers & Services Team Services Group, LLC Second Lien Term Loan LIBOR(S) Floor rate 1.00% and Spread 9.00% with Total Coupon 13.93% Maturity 11/13/20282022-12-310001326003bkcc:BankDebtMember2021-12-310001326003Controlled Affiliate Security Gordon Brothers Finance Company Unsecured Debt2022-12-310001326003us-gaap:InterestRateSwapMember2022-01-012022-03-310001326003Debt Investments Diversified Consumer Services Thras.io, LLC First Lien Term Loan Semiannually LIBOR Floor Rate 1.00% and Spread 7.00% with Total Coupon 11.17% Maturity 12/18/20262022-12-310001326003Debt Investments Paper & Forest Products2022-12-310001326003Debt Investments IT Services Madison Logic Holdings, Inc. First Lien Term Loan SOFR(Q) Floor Rate 1.00% Spread 7.00% with Total Coupon 11.90% Maturity 12/29/20282023-03-310001326003Debt Investments Diversified Consumer Services2023-03-310001326003us-gaap:MeasurementInputRevenueMultipleMembersrt:MinimumMemberbkcc:MarketComparableCompaniesMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Member2022-12-310001326003Debt Investments Construction & Engineering Homerenew Buyer, Inc. (Project Dream) First Lien Revolver Monthly SOFR Floor Rate 1.00% and Spread 6.50% with Total Coupon 11.12% Maturity 11/23/20272022-12-310001326003us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMemberus-gaap:SubsequentEventMember2023-04-260001326003Debt Investments Insurance Integrity Marketing Acquisition, LLC First Lien Incremental Term Loan SOFR(Q) Floor rate 0.75% and Spread 6.50% with Total Coupon 11.39% Maturity 8/27/20252023-03-310001326003us-gaap:MeasurementInputEbitdaMultipleMemberus-gaap:EquitySecuritiesMemberbkcc:MarketComparableCompaniesMemberus-gaap:FairValueInputsLevel3Member2023-03-310001326003us-gaap:IncomeApproachValuationTechniqueMembersrt:MinimumMemberbkcc:BankDebtMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMember2022-12-310001326003Equity Securities Diversified Consumer Services2023-03-310001326003Debt Investments Semiconductors & Semiconductor Equipment2023-03-310001326003Debt Investments Software Zilliant Incorporated First Lien Revolver LIBOR(M) Floor Rate 0.75% Spread 6.00% with Total Coupon 10.78% Maturity 12/21/20272023-03-310001326003Debt Investments Professional Services ICIMS, Inc. First Lien Revolver SOFR(Q) Floor Rate 0.75% Spread 6.75% with Total Coupon 11.02% Maturity 8/18/20282022-12-310001326003Equity Securities Diversified Consumer Services Razor Group GmbH (Germany) Warrants to Purchase Preferred Series A1 Shares Expiration 4/28/20282023-03-310001326003Debt Investments Semiconductors & Semiconductor Equipment2022-12-310001326003bkcc:InsuranceMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003Debt Investments Internet Software & Services Quartz Holding Company (Quick Base) Second Lien Term Loan LIBOR(M) Spread 8.00% with Total Coupon 12.38% Maturity 4/2/20272022-12-310001326003bkcc:MeasurementInputImpliedVolatilityMember2023-01-012023-03-310001326003bkcc:MediaMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003Controlled Affiliate Security Gordon Brothers Finance Company Common Stock2022-12-310001326003Debt Investments Diversified Consumer Services Thras.io, LLC First Lien Delayed Draw Term Loan Quarterly LIBOR Floor Rate 1.00% and Spread 7.00% with Total Coupon 12.16% Maturity 12/18/20262023-03-310001326003bkcc:SeniorSecuredRevolvingCreditFacilityMember2022-12-310001326003Controlled Affiliate Security Gordon Brothers Finance Company Preferred Stock2023-01-012023-03-310001326003bkcc:PaperAndForestProductsMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003Debt Investments Insurance Integrity Marketing Acquisition, LLC First Lien Incremental Revolver SOFR(M) Floor rate 0.75% and Spread 6.50% with Total Coupon 10.82% Maturity 8/27/20252022-12-310001326003Preferred Stock2022-12-310001326003Debt Investments Automobiles ALCV Purchaser, Inc. (AutoLenders) First Lien Term Loan Quarterly LIBOR Floor Rate 1.00% and Spread 6.75% with Total Coupon 11.45% Maturity 4/15/20262022-12-310001326003bkcc:BuildingProductsMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003Debt Investments Internet Software & Services InMoment, Inc. First Lien Term Loan SOFR(S) Floor Rate 0.75% and Spread 5.00% cash+ 2.50% PIK with Total Coupon 11.58% Maturity 6/8/20282022-12-3100013260032023-01-012023-03-310001326003Debt Investments Hotels, Restaurants & Leisure2022-12-310001326003Debt Investments Road & Rail Motive Technologies, Inc. (fka Keep Truckin, Inc.) First Lien Term Loan SOFR(S) Floor Rate 1.00% Spread 7.25% with Total Coupon 11.03% Maturity 4/8/20252022-12-310001326003us-gaap:GeographicConcentrationRiskMembercountry:CAbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003Debt Investments Diversified Financial Services 2-10 Holdco, Inc. First Lien Revolver SOFR(M) Floor Rate 0.75% and Spread 6.00% with Total Coupon 10.42% Maturity 3/26/20262022-12-310001326003Debt Investments Wireless Telecommunication Services OpenMarket, Inc. (Infobip) (United Kingdom) First Lien Term Loan LIBOR(Q) Floor Rate 0.75% Spread 6.25% with Total Coupon 11.41% Maturity 9/17/20262023-03-310001326003Debt Investments Diversified Financial Services Wealth Enhancement Group, LLC First Lien Delayed Draw Term Loan SOFR(S) Floor Rate 1.00% and Spread 6.00% with Total Coupon 10.44% Maturity 10/4/20272022-12-310001326003bkcc:SeniorSecuredLoansMembersrt:MinimumMemberus-gaap:BaseRateMember2022-12-310001326003Debt Investments Internet Software & Services Quartz Holding Company (Quick Base) Second Lien Term Loan LIBOR(M) Spread 8.00% with Total Coupon 12.84% Maturity 4/2/20272023-03-310001326003Debt Investments Software SEP Eiger BidCo Ltd. (Beqom) (Switzerland) First Lien Term Loan SOFR(Q) Floor Rate 1.00% Spread 3.00% Cash + 3.50% PIK with Total Coupon 11.22% Maturity 5/9/20282023-03-310001326003us-gaap:EquitySecuritiesMembersrt:MaximumMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Memberbkcc:MeasurementInputEBITDAOrRevenueMultiplesMember2022-12-310001326003Restricted Securities2023-03-310001326003Equity Securities Chemicals AGY Equity, LLC Class C Preferred Stock2022-12-310001326003bkcc:SeniorSecuredNotesMember2022-12-310001326003bkcc:BankDebtMember2023-01-012023-03-310001326003Debt Investments Trading Companies & Distributors Blackbird Purchaser Inc (Ohio Transmission Corp.) Second Lien Delayed Draw Term Loan LIBOR(M) Floor 0.75% Spread 7.50% with Total Coupon 11.88% Maturity 4/8/20272022-12-310001326003Debt Investments Software GTY Technology Holdings Inc. First Lien Term Loan SOFR(Q) Floor Rate 0.75% Spread 2.58% Cash + 4.30% PIK with Total Coupon 11.46% Maturity 7/9/20292022-12-310001326003Equity Securities Diversified Financial Services2022-12-310001326003bkcc:IndustryConcentrationRiskMemberbkcc:ConsumerFinanceMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003us-gaap:EquitySecuritiesMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Memberbkcc:MeasurementInputImpliedVolatilityMember2023-03-310001326003Debt Investments Trading Companies & Distributors2023-03-310001326003Controlled Affiliate Security Gordon Brothers Finance Company Unsecured Debt2021-12-310001326003us-gaap:IncomeApproachValuationTechniqueMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMember2022-12-310001326003bkcc:SeniorSecuredNotesMember2023-03-310001326003srt:MaximumMemberbkcc:BankDebtMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Memberbkcc:MeasurementInputImpliedVolatilityMember2023-03-310001326003Investment Worldremit Group Limited (United Kingdom), Warrants to Purchase Series E Stock Initial Acquisition Date 8/27/20212022-01-012022-12-310001326003bkcc:FloatingRateMemberbkcc:SeniorSecuredLoansMember2023-03-310001326003us-gaap:GeographicConcentrationRiskMembercountry:USbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003Non-Controlled Affiliate Security Kemmerer Holdings, LLC (WMLP) Limited Liability Co. Interest2022-01-012022-12-310001326003Debt Investments Internet Software & Services Spartan Bidco Pty Ltd (StarRez) (Australia) First Lien Term Loan SOFR(Q) Floor Rate 0.75% Spread 0.75% cash + 6.50% PIK with Total Coupon 11.46% Maturity 1/24/20282022-12-310001326003Debt Investments Internet Software & Services Suited Connector, LLC First Lien Term Loan LIBOR(S) Floor Rate 1.00% Spread 6.00% with Total Coupon 10.92% Maturity 12/1/20272022-12-310001326003Debt Investments Internet Software & Services Astra Acquisition Corp. (Anthology) Second Lien Term Loan LIBOR(M) Floor Rate 0.75% and Spread 8.88% with Total Coupon 13.26% Maturity 10/25/20292022-12-310001326003us-gaap:AdditionalPaidInCapitalMember2023-03-310001326003Debt Investments Containers & Packaging BW Holding, Inc. (Brook & Whittle) Second Lien Term Loan Quarterly SOFR Floor Rate 0.75% and Spread 7.50% with Total Coupon 12.54% Maturity 12/14/20292023-03-310001326003Debt Investments IT Services Ensono, Inc. Second Lien Term Loan B LIBOR(S) Spread 8.00% with Total Coupon 13.15% Maturity 5/28/20292023-03-310001326003bkcc:NonControlledNonAffiliatedInvestmentsMember2023-03-310001326003Debt Investments Real Estate Management & Development Greystone Select Company II, LLC (Passco) First Lien Term Loan SOFR(M) Floor Rate 1.50% Spread 6.50% with Total Coupon 10.94% Maturity 3/21/20272022-12-310001326003Debt Investments Diversified Financial Services Accordion Partners LLC First Lien Delayed Draw Term Loan A SOFR(Q) Floor Rate 0.75% and Spread 6.50% with Total Coupon 11.08% Maturity 8/29/20292022-12-310001326003Debt Investments Health Care Technology ESO Solutions, Inc. First Lien Term Loan SOFR(Q) Floor rate 1.00% and Spread 7.00% with Total Coupon 11.59% Maturity 5/3/20272022-12-310001326003Debt Investments Speciality Retail Hanna Andersson, LLC First Lien Term Loan LIBOR(M) Floor Rate 1.00% Spread 6.00% with Total Coupon 10.29% Maturity 7/2/20262022-12-310001326003us-gaap:EquitySecuritiesMemberus-gaap:MeasurementInputRevenueMultipleMembersrt:MinimumMemberbkcc:MarketComparableCompaniesMemberus-gaap:FairValueInputsLevel3Member2022-12-310001326003Debt Investments Machinery2023-03-310001326003Equity Securities Diversified Financial Services Gordon Brothers Finance Company Preferred Stock Total Coupon 13.50%2023-03-310001326003bkcc:SeniorSecuredLoanFirstLienMember2023-03-310001326003Equity Securities Capital Markets Pico Quantitative Trading Holdings, LLC Warrants to Purchase Membership Units Expiration 2/7/20302023-03-310001326003Equity Securities Media MBS Parent, LLC Limited Partnership/Limited Liability Company Interests2023-03-310001326003us-gaap:GeographicConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003Equity Securities Diversified Financial Services2023-03-310001326003bkcc:SeniorSecuredLoansMember2023-03-310001326003Debt Investments Leisure Products Peloton Interactive, Inc. First Lien Term Loan SOFR(S) Floor Rate 0.50% Spread 7.00% with Total Coupon 11.76% Maturity 5/25/20272023-03-3100013260032020-05-022020-05-020001326003bkcc:AutomobilesSectorMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003Investment MXP Prime Platform GmbH (SellerX) (Germany), Warrants to Purchase Preferred Series B Shares Initial Acquisition Date 11/23/20212023-01-012023-03-310001326003Non Controlled Affiliated Investments2023-03-310001326003us-gaap:FairValueInputsLevel1Member2023-03-310001326003Equity Securities Capital Markets Marsico Holdings, LLC Limited Partnership/Limited Liability Company Interests2023-03-310001326003Debt Investments Diversified Financial Services Callodine Commercial Finance, LLC Subordinated Debt SOFR(M) Floor Rate 0.25% and Spread 8.50% with Total Coupon 13.14% Maturity 10/8/20272022-12-310001326003Debt Investments Software Fusion Risk Management, Inc. First Lien Revolver SOFR(Q) Floor Rate 1.00% Spread 6.50% with Total Coupon 11.39% Maturity 8/30/20282023-03-310001326003Debt Investments Health Care Technology2023-03-310001326003Equity Securities Chemicals AGY Equity, LLC Class A Preferred Stock2022-12-310001326003Debt Investments Diversified Financial Services2022-12-310001326003Debt Investments Commercial Services & Supplies Thermostat Purchaser III, Inc. (Reedy Industries) Second Lien Term Loan Quarterly LIBOR Floor Rate 0.75% and Spread 7.25% with Total Coupon 11.98% Maturity 8/31/20292022-12-310001326003srt:MinimumMemberbkcc:BankDebtMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Memberbkcc:MeasurementInputImpliedVolatilityMember2023-03-310001326003Debt Investments Media NEP Group, Inc. et al Second Lien Term Loan LIBOR(M) Spread 7.00% with Total Coupon 11.84% Maturity 10/19/20262023-03-310001326003Debt Investments Health Care Technology2022-12-310001326003Debt Investments Capital Markets Pico Quantitative Trading, LLC First Lien Incremental Term Loan Quarterly SOFR Floor Rate 1.5% and Spread 7.25% with Total Coupon 12.19% Maturity 2/7/20252023-03-310001326003bkcc:DistributorsMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003bkcc:AssetsExceedingTwoHundredPercentageOfNetValueAssetMember2020-05-022020-05-020001326003us-gaap:MeasurementInputEbitdaMultipleMemberus-gaap:EquitySecuritiesMembersrt:MaximumMemberbkcc:MarketComparableCompaniesMemberus-gaap:FairValueInputsLevel3Member2022-12-310001326003us-gaap:LondonInterbankOfferedRateLIBORMemberbkcc:SeniorSecuredRevolvingCreditFacilityMembersrt:MaximumMember2022-01-012022-12-310001326003bkcc:MetalsAndMiningMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003bkcc:CommercialServicesAndSuppliesMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003bkcc:SeniorSecuredLoansMembersrt:MaximumMemberus-gaap:BaseRateMember2022-12-310001326003bkcc:BankDebtMembersrt:MinimumMemberus-gaap:MeasurementInputExpectedTermMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Member2022-12-310001326003Debt Investments IT Services Idera, Inc. Second Lien Term Loan LIBOR(Q) Floor Rate 0.75% Spread 6.75% with Total Coupon 11.51% Maturity 2/4/20292023-03-310001326003Debt Investments Health Care Technology Appriss Health, LLC (PatientPing) First Lien Revolver LIBOR(M) Floor rate 1.00% and Spread 7.25% with Total Coupon 11.93% Maturity 5/6/20272023-03-310001326003Equity Securities Diversified Financial Services Worldremit Group Limited (United Kingdom) Warrants to Purchase Series D Stock Expiration 2/11/20312023-03-310001326003us-gaap:IncomeApproachValuationTechniqueMemberbkcc:BankDebtMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMember2023-03-310001326003Debt Investments Diversified Financial Services Accordion Partners LLC First Lien Delayed Draw Term Loan B SOFR(Q) Floor Rate 0.75% and Spread 6.25% with Total Coupon 11.15% Maturity 8/29/20292023-03-310001326003Debt Investments Diversified Financial Services Gordon Brothers Finance Company Unsecured Debt LIBOR(M) Floor Rate 1.00% and Spread 11.00% with Total Coupon 17.38% Maturity 10/31/20212022-12-310001326003us-gaap:TreasuryStockMember2022-01-012022-03-310001326003bkcc:DiversifiedFinancialServicesMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003bkcc:ConstructionAndEngineeringMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003Debt Investments Software2023-03-310001326003Non-Controlled Affiliate Security Kemmerer Holdings, LLC (WMLP) Limited Liability Co. Interest2023-03-310001326003Debt Investments Metals & Mining Kemmerer Operations, LLC (WMLP) First Lien Term Loan Fixed Floor Rate 0.00% Spread 15.00% with Total Coupon 15.00 % Maturity 6/21/20232022-12-310001326003Investment Pico Quantitative Trading Holdings, LLC, Warrants to Purchase Membership Units Initial Acquisition Date 2/7/20202023-01-012023-03-310001326003Debt Investments Health Care Technology CareATC, Inc. First Lien Revolver LIBOR(Q) Floor rate 1.00% and Spread 7.25% with Total Coupon 12.08% Maturity 3/14/20242023-03-310001326003Non-Controlled Affiliate Security Kemmerer Operations, LLC (WMLP) Delayed Draw Term Loan, First Lien2022-12-310001326003Debt Investments Trading Companies & Distributors Blackbird Purchaser, Inc. (Ohio Transmission Corp.) Second Lien Term Loan SOFR(M) Floor Rate 0.75% Spread 7.50% with Total Coupon 12.41% Maturity 4/8/20272023-03-310001326003Debt Investments Internet & Catalog Retail2023-03-310001326003bkcc:ProfessionalServicesMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003us-gaap:OtherDebtSecuritiesMember2022-12-310001326003us-gaap:MeasurementInputEbitdaMultipleMemberus-gaap:EquitySecuritiesMembersrt:MinimumMemberbkcc:MarketComparableCompaniesMemberus-gaap:FairValueInputsLevel3Member2022-12-310001326003Debt Investments Internet & Catalog Retail Syndigo, LLC Second Lien Term Loan LIBOR(S) Floor Rate 0.75% and Spread 8.00% with Total Coupon 13.21% Maturity 12/14/20282023-03-310001326003bkcc:TwoThousandAndTwentyFivePrivatePlacementNotesMember2023-03-310001326003Debt Investments Software Backoffice Associates Holdings, LLC (Syniti) First Lien Revolver PRIME Floor Rate 1.00% Spread 6.75% with Total Coupon 14.25% Maturity 4/30/20262022-12-310001326003bkcc:MarketQuotationsMemberus-gaap:EquitySecuritiesMemberbkcc:MeasurementInputIndicativeBidOrAskQuotesMemberus-gaap:FairValueInputsLevel3Member2022-12-310001326003Debt Investments Diversified Financial Services Accordion Partners LLC First Lien Term Loan SOFR(Q) Floor Rate 0.75% and Spread 6.25% with Total Coupon 11.15% Maturity 8/29/20292023-03-310001326003Debt Investments Internet Software & Services Pluralsight, Inc. First Lien Term Loan LIBOR(Q) Floor Rate 1.00% and Spread 8.00% with Total Coupon 12.78% Maturity 4/6/20272023-03-310001326003Debt Investments Insurance Integrity Marketing Acquisition, LLC First Lien Incremental Term Loan SOFR(M) Floor rate 0.75% and Spread 6.50% with Total Coupon 10.82% Maturity 8/27/20252022-12-310001326003Debt Investments Capital Markets Pico Quantitative Trading, LLC First Lien Incremental Term Loan Quarterly SOFR Floor Rate 1.5% and Spread 7.25% with Total Coupon 11.61% Maturity 2/7/20252022-12-310001326003bkcc:PreIncentiveFeeNetInvestmentIncomeMoreThanTwoPointOneTwoPercentageOfNetAssetsMember2020-05-022020-05-020001326003Debt Investments Containers & Packaging2023-03-310001326003Debt Investments Internet Software & Services Anaconda, Inc. First Lien Term Loan SOFR(Q) Floor Rate 1.00% and Spread 7.50% with Total Coupon 11.86% Maturity 8/22/20272022-12-310001326003Debt Investments Internet Software & Services Sailpoint Technologies Holdings, Inc. First Lien Revolver SOFR(M) Floor Rate 0.75% Spread 6.25% with Total Coupon 10.58% Maturity 8/16/20282022-12-310001326003Debt Investments Internet Software & Services Quartz Holding Company (Quick Base) Second Lien Term Loan LIBOR(M) Floor - Spread 8.00% Total Coupon 12.38% Maturity 4/2/20272022-12-310001326003Cash and Investments2022-12-310001326003us-gaap:EquitySecuritiesMember2023-01-012023-03-310001326003srt:MaximumMember2020-05-020001326003Debt Investments Diversified Financial Services 2-10 Holdco, Inc. First Lien Term Loan SOFR(M) Floor Rate 0.75% and Spread 6.00% with Total Coupon 10.42% Maturity 3/26/20262022-12-310001326003bkcc:InvestmentAdvisorExpensesMember2022-01-012022-03-310001326003us-gaap:FairValueInputsLevel2Memberbkcc:BankDebtMember2023-03-310001326003Debt Investments Construction & Engineering Sunland Asphalt & Construction, LLC First Lien Delayed Draw Term Loan Semiannually LIBOR Floor Rate 1.00% and Spread 6.00% with Total Coupon 11.15% Maturity 1/13/20262022-12-310001326003Debt Investments Software Superman Holdings, LLC (Foundation Software) First Lien Term Loan LIBOR(Q) Floor Rate 1.00% Spread 6.13% with Total Coupon 11.28% Maturity 8/31/20272023-03-310001326003bkcc:ContainersAndPackagingMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003Debt Investments Health Care Technology CareATC, Inc. First Lien Revolver LIBOR(S) Floor rate 1.00% and Spread 7.25% with Total Coupon 9.73% Maturity 3/14/20242022-12-310001326003us-gaap:IncomeApproachValuationTechniqueMemberus-gaap:EquitySecuritiesMembersrt:MaximumMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMember2023-03-310001326003Equity Securities Trading Companies & Distributors Blackbird Holdco, Inc. (Ohio Transmission Corp.) Preferred Stock Total Coupon 12.50% PIK2022-12-310001326003Investment Elevate Brands Holdco Inc., Warrants to Purchase Common Stock Initial Acquisition Date 3/14/20222022-01-012022-12-310001326003bkcc:IndustryConcentrationRiskMemberus-gaap:HealthcareSectorMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003us-gaap:GeographicConcentrationRiskMembercountry:AUbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003us-gaap:OverAllotmentOptionMemberbkcc:FivePointZeroZeroPercentConvertibleNotesDueTwoThousandTwentyTwoMember2017-06-130001326003us-gaap:IncomeApproachValuationTechniqueMemberus-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMember2022-12-310001326003Debt Investments Semiconductors & Semiconductor Equipment Emerald Technologies (U.S.) AcquisitionCo, Inc First Lien Revolver SOFR(M) Floor Rate 1.00% Spread 6.00% with Total Coupon 10.42% Maturity 12/29/20262022-12-310001326003Debt Investments Diversified Consumer Services Razor Group GmbH (Germany) First Lien Delayed Draw Term Loan Monthly SOFR Floor Rate 2.00% and Spread 5.00% Cash + 5.00% PIK with Total Coupon 15.16% Maturity 4/30/20252023-03-310001326003srt:MaximumMemberbkcc:PreIncentiveFeeNetInvestmentIncomeBetweenOnePointSevenFiveAndTwoPointOneTwoPercentageOfNetAssetsMember2020-05-022020-05-020001326003Debt Investments Paper & Forest Products Alpine Acquisition Corp II (48Forty) First Lien Revolver PRIME Floor Rate 1.00% Spread 4.50% with Total Coupon 12.50% Maturity 11/30/20262023-03-310001326003Controlled Affiliate Security Gordon Brothers Finance Company Preferred Stock2021-12-310001326003Debt Investments Paper & Forest Products Alpine Acquisition Corp II (48Forty) First Lien Term Loan SOFR(Q) Floor Rate 1.00% Spread 5.50% with Total Coupon 9.76 % Maturity 11/30/20262022-12-310001326003srt:MaximumMemberus-gaap:MeasurementInputRevenueMultipleMemberbkcc:MarketComparableCompaniesMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Member2022-12-310001326003us-gaap:RetainedEarningsMember2023-01-012023-03-310001326003Equity Securities Diversified Financial Services Gordon Brothers Finance Company Common Stock2023-03-310001326003Debt Investments Insurance AmeriLife Holdings, LLC First Lien Delayed Draw Term Loan SOFR(S) Floor rate 0.75% and Spread 5.75% with Total Coupon 10.15% Maturity 8/31/20292023-03-310001326003Debt Investments Software Fusion Risk Management, Inc. First Lien Revolver SOFR(Q) Floor Rate 1.00% Spread 6.50% with Total Coupon 6.50% Maturity 8/30/20282022-12-310001326003Controlled Affiliate Security2021-12-310001326003Equity Securities Media MBS Parent, LLC Limited Partnership/Limited Liability Company Interests2022-12-310001326003Debt Investments Insurance AmeriLife Holdings, LLC First Lien Term Loan SOFR(Q) Floor rate 0.75% and Spread 5.75% with Total Coupon 9.58% Maturity 8/31/20292022-12-310001326003us-gaap:CommonStockMember2023-01-012023-03-310001326003Equity Securities Chemicals2022-12-310001326003bkcc:DiversifiedConsumerServicesMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003Debt Investments Internet Software & Services Bynder Bidco, Inc. (Netherlands) First Lien Term Loan A SOFR(S) Floor Rate 1.00% and Spread 7.25% with Total Coupon 12.05% Maturity 1/26/20292023-03-310001326003Non-Controlled Affiliate Security Kemmerer Operations, LLC (WMLP) Senior Secured Loan, First Lien2023-01-012023-03-310001326003Debt Investments Software Integrate.com, Inc. (Infinity Data, Inc.) First Lien Revolver SOFR(M) Floor Rate 1.00% Spread 6.00% with Total Coupon 10.28% Maturity 12/17/20272022-12-310001326003Debt Investments Commercial Services & Supplies Kellermeyer Bergensons Services, LLC First Lien Term Loan Quarterly LIBOR Floor Rate 1.00% and Spread 6.00% with Total Coupon 10.41% Maturity 11/7/20262022-12-310001326003us-gaap:FairValueInputsLevel2Memberus-gaap:EquitySecuritiesMember2022-12-310001326003us-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel1Member2022-12-310001326003srt:MaximumMemberus-gaap:FairValueInputsLevel3Member2023-03-310001326003Debt Investments Diversified Financial Services GC Champion Acquisition LLC (Numerix) First Lien Delayed Draw Term Loan SOFR(S) Floor Rate 1.00% and Spread 6.75% with Total Coupon 11.15% Maturity 8/21/20282022-12-310001326003Debt Investments Diversified Financial Services Accordion Partners LLC First Lien Delayed Draw Term Loan A SOFR(Q) Floor Rate 0.75% and Spread 6.50% with Total Coupon 11.39% Maturity 8/29/20292023-03-310001326003Debt Investments Road & Rail Motive Technologies, Inc. (fka Keep Truckin, Inc.) First Lien Term Loan SOFR(S) Floor Rate 1.00% Spread 7.25% with Total Coupon 12.77% Maturity 4/8/20252023-03-310001326003Debt Investments Life Sciences Tools & Services Alcami Corporation First Lien Delayed Draw Term Loan SOFR(M) Floor Rate 1.00% Spread 7.00% with Total Coupon 11.42% Maturity 12/21/20282022-12-310001326003Non-Controlled Affiliate Security Kemmerer Holdings, LLC (WMLP) Limited Liability Co. Interest2023-01-012023-03-310001326003bkcc:BankDebtMemberus-gaap:MeasurementInputExpectedTermMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Member2022-12-310001326003Equity Securities Internet Software & Services2023-03-310001326003srt:MinimumMemberbkcc:BankDebtMemberus-gaap:MeasurementInputExpectedTermMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Member2023-03-310001326003Debt Investments Life Sciences Tools & Services Alcami Corporation First Lien Delayed Draw Term Loan SOFR(M) Floor Rate 1.00% Spread 7.00% with Total Coupon 11.91% Maturity 12/21/20282023-03-310001326003bkcc:IndustryConcentrationRiskMemberbkcc:TradingCompaniesAndDistributorsMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003bkcc:SeniorSecuredLoanFirstLienMember2022-12-3100013260032022-12-310001326003Debt Investments Construction & Engineering CSG Buyer, Inc. (Core States) First Lien Revolver Quarterly SOFR Floor Rate 1.00% and Spread 6.00% with Total Coupon 10.84% Maturity 3/31/20282022-12-310001326003bkcc:LimitedPartnershipOrLimitedLiabilityCompanyInterestsMember2023-03-310001326003us-gaap:MeasurementInputEbitdaMultipleMember2023-01-012023-03-310001326003us-gaap:EquitySecuritiesMembersrt:MaximumMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Memberbkcc:MeasurementInputEBITDAOrRevenueMultiplesMember2023-03-310001326003us-gaap:LondonInterbankOfferedRateLIBORMemberbkcc:SeniorSecuredRevolvingCreditFacilityMembersrt:MinimumMember2023-01-012023-03-310001326003Debt Investments Insurance Peter C. Foy & Associates Insurance Services, LLC (PCF Insurance) First Lien Term Loan SOFR(S) Floor rate 0.75% and Spread 6.00% with Total Coupon 11.12% Maturity 11/1/20282022-12-310001326003us-gaap:OtherDebtSecuritiesMember2023-01-012023-03-310001326003Debt Investments Diversified Consumer Services Razor Group GmbH (Germany) First Lien Sr Secured Convertible Term Loan Fixed Spread 3.50% Cash and 3.50% PIK with Total Coupon 7.00% Maturity 4/30/20252023-03-310001326003Debt Investments Health Care Providers & Services PHC Buyer, LLC (Patriot Home Care) First Lien Term Loan SOFR(S) Floor rate 0.75% and Spread 6.00% with Total Coupon 10.70% Maturity 5/4/20282023-03-310001326003bkcc:BlackrockCapitalInvestmentAdvisorsLimitedLiabilityCorporationMember2023-03-310001326003us-gaap:PreferredStockMember2023-03-310001326003bkcc:IndustryConcentrationRiskMemberbkcc:SoftwareMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003bkcc:IndustryConcentrationRiskMemberbkcc:InternetSoftwareAndServicesMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003Debt Investments Consumer Finance2022-12-310001326003bkcc:TwoThousandAndTwentyFivePrivatePlacementNotesMemberus-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember2023-03-310001326003Debt Investments Diversified Financial Services Callodine Commercial Finance, LLC First Lien Term Loan LIBOR(Q) Floor Rate 1.00% and Spread 9.00% with Total Coupon 13.73% Maturity 11/3/20252022-12-310001326003Investment Worldremit Group Limited (United Kingdom), Warrants to Purchase Series D Stock Initial Acquisition Date 2/11/20212023-01-012023-03-310001326003Debt Investments Health Care Technology Sandata Technologies, LLC First Lien Term Loan LIBOR(Q) and Spread 6.00% with Total Coupon 10.29% Maturity 7/23/20242022-12-310001326003bkcc:PreIncentiveFeeNetInvestmentIncomeLessThanOnePointSevenFivePercentageOfNetAssetsMember2020-05-022020-05-020001326003bkcc:IndustryConcentrationRiskMemberbkcc:RoadAndRailMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003us-gaap:FairValueInputsLevel1Memberus-gaap:OtherDebtSecuritiesMember2023-03-310001326003Debt Investments Technology Hardware, Storage & Peripherals SumUp Holdings Luxembourg S.A.R.L. (United Kingdom) First Lien Delayed Draw Term Loan SOFR(Q) Floor Rate 1.00% Spread 7.00% with Total Coupon 11.68% Maturity 2/17/20262022-12-310001326003Debt Investments Health Care Technology CareATC, Inc. First Lien Term Loan LIBOR(Q) Floor rate 1.00% and Spread 7.25% with Total Coupon 12.19% Maturity 3/14/20242023-03-310001326003Debt Investments Software Tessian Inc. (United Kingdom) First Lien Term Loan SOFR(Q) Floor Rate 1.00% Spread 8.00% with Total Coupon 13.29% Maturity 3/15/20282023-03-310001326003Debt Investments Construction & Engineering LJ Avalon Holdings, LLC (Ardurra) First Lien Delayed Draw Term Loan Quarterly SOFR Floor Rate 1.00% and Spread 6.50% with Total Coupon 11.33% Maturity 2/1/20302023-03-310001326003bkcc:BankDebtMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Memberbkcc:MeasurementInputImpliedVolatilityMember2022-12-310001326003Debt Investments Leisure Products Peloton Interactive, Inc. First Lien Term Loan SOFR(S) Floor Rate 0.50% Spread 7.00% with Total Coupon 11.76% Maturity 5/25/20272022-12-310001326003us-gaap:RetainedEarningsMember2022-01-012022-03-310001326003Debt Investments Diversified Financial Services GC Champion Acquisition LLC (Numerix) First Lien Term Loan SOFR(S) Floor Rate 1.00% and Spread 6.75% with Total Coupon 11.15% Maturity 8/21/20282023-03-310001326003us-gaap:MeasurementInputDiscountRateMember2023-01-012023-03-310001326003Debt Investments Machinery Sonnys Enterprises, LLC First Lien Term Loan SOFR(Q) Floor Rate 1.00% Spread 6.75% with Total Coupon 11.58% Maturity 8/5/20262023-03-310001326003Debt Investments Internet & Catalog Retail CommerceHub, Inc. First Lien Term Loan SOFR(S) Floor Rate 0.75% and Spread 6.25% with Total Coupon 11.03% Maturity 12/29/20272023-03-310001326003Debt Investments Internet Software & Services Oranje Holdco, Inc. (KnowBe4) First Lien Term Loan SOFR(Q) Floor Rate 1.00% and Spread 7.75% with Total Coupon 12.43% Maturity 2/1/20292023-03-310001326003bkcc:TwoThousandAndTwentyFivePrivatePlacementNotesMemberus-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember2022-01-012022-12-310001326003Debt Investments Diversified Consumer Services Whele LLC (Perch) First Lien Incremental Term Loan Monthly SOFR Floor Rate 1.00% and Spread 8.50% Cash + 3.00% PIK with Total Coupon 16.20% Maturity 10/15/20252022-12-310001326003Controlled Affiliated Investments2022-12-310001326003Debt Investments Health Care Technology Sandata Technologies, LLC First Lien Term Loan LIBOR(Q) and Spread 6.00% with Total Coupon 10.75% Maturity 7/23/20242022-12-310001326003us-gaap:InterestRateSwapMember2022-12-310001326003bkcc:ReimbursementExpensesMember2023-01-012023-03-310001326003Cash and Cash Equivalents2022-12-310001326003Debt Investments Containers & Packaging PVHC Holding Corp. First Lien Term Loan Quarterly LIBOR Floor Rate 1.00% and Spread 4.75% with Total Coupon 9.91% Maturity 8/2/20242023-03-310001326003us-gaap:EquitySecuritiesMembersrt:MaximumMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Memberbkcc:MeasurementInputImpliedVolatilityMember2022-12-310001326003srt:CumulativeEffectPeriodOfAdoptionAdjustmentMember2022-03-310001326003bkcc:UnsecuredSeniorNotesDueTwoThousandTwentyFiveMemberbkcc:TrancheOneMember2022-06-092022-06-090001326003us-gaap:EquitySecuritiesMember2021-12-310001326003Debt Investments Diversified Consumer Services Elevate Brands OpCo LLC First Lien Delayed Draw Term Loan Quarterly SOFR Floor Rate 1.00% and Spread 8.50% with Total Coupon 13.55% Maturity 3/15/20272023-03-310001326003us-gaap:MeasurementInputRevenueMultipleMemberbkcc:MarketComparableCompaniesMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Member2022-12-310001326003srt:MaximumMember2022-12-310001326003Debt Investments Insurance IT Parent, LLC (Insurance Technologies) First Lien Term Loan SOFR(M) Floor rate 1.00% and Spread 6.25% with Total Coupon 11.15% Maturity 10/1/20262023-03-310001326003Debt Investments Professional Services RigUp, Inc. First Lien Delayed Draw Term Loan (4.0% Exit Fee) LIBOR(M) Floor Rate 1.50% Spread 7.00% with Total Coupon 12.00% Maturity 3/1/20242023-03-310001326003bkcc:LifeSciencesToolsAndServicesMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003Debt Investments Real Estate Management & Development2022-12-310001326003Debt Investments Professional Services ICIMS, Inc. First Lien Revolver SOFR(Q) Floor Rate 0.75% Spread 6.75% with Total Coupon 11.55% Maturity 8/18/20282023-03-310001326003Debt Investments Commercial Services & Supplies Pueblo Mechanical and Controls, LLC First Lien Term Loan Quarterly SOFR Floor Rate 0.75% and Spread 6.00% with Total Coupon 10.83% Maturity 8/23/20282023-03-310001326003us-gaap:InterestRateSwapMember2023-03-310001326003Equity Securities2023-03-310001326003Debt Investments Software Grey Orange Incorporated First Lien Term Loan (3.75% Exit Fee) SOFR(S) Floor Rate 1.00% Spread 7.25% with Total Coupon 12.23% Maturity 5/6/20262023-03-310001326003Non-Controlled Affiliate Security Kemmerer Operations, LLC (WMLP) Delayed Draw Term Loan, First Lien2022-01-012022-12-310001326003us-gaap:IncomeApproachValuationTechniqueMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMember2023-03-310001326003us-gaap:CommonStockMember2022-03-310001326003Controlled Affiliate Security Gordon Brothers Finance Company Common Stock2023-01-012023-03-310001326003Debt Investments Paper & Forest Products2023-03-310001326003Debt Investments Software Superman Holdings, LLC (Foundation Software) First Lien Revolver LIBOR(Q) Floor Rate 1.00% Spread 6.13% with Total Coupon 10.85% Maturity 8/31/20262022-12-310001326003Investments2023-03-310001326003bkcc:IndustryConcentrationRiskMemberbkcc:RoadAndRailMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003Debt Investments Health Care Providers & Services Outcomes Group Holdings, Inc. Second Lien Term Loan SOFR(Q) Floor rate 0.50% and Spread 7.50% with Total Coupon 12.54% Maturity 10/26/20262023-03-310001326003Debt Investments Life Sciences Tools & Services2023-03-310001326003Debt Investments Software Elastic Path Software Inc. (Canada) First Lien Delayed Draw Term Loan SOFR(Q) Floor Rate 1.00% Spread 7.50% with Total Coupon 12.63% Maturity 1/6/20262023-03-310001326003Debt Investments Software Kaseya Inc. First Lien Delayed Draw Term Loan SOFR(Q) Floor Rate 0.75% Spread 5.75% with Total Coupon 10.33% Maturity 6/25/20292022-12-310001326003Debt Investments Diversified Financial Services Libra Solutions Intermediate Holdco, LLC et al (fka Oasis Financial, LLC) Second Lien Term Loan SOFR(M) Floor Rate 1.00% and Spread 8.50% with Total Coupon 13.36% Maturity 7/5/20262023-03-310001326003Investment Grey Orange International Inc., Warrants to Purchase Common Stock Initial Acquisition Date 5/6/20222023-01-012023-03-310001326003Equity Securities Diversified Financial Services Worldremit Group Limited (United Kingdom) Warrants to Purchase Series E Stock Expiration 8/27/20312023-03-310001326003us-gaap:IncomeApproachValuationTechniqueMemberbkcc:BankDebtMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMember2022-12-310001326003bkcc:SeniorSecuredRevolvingCreditFacilityMember2021-04-222021-04-220001326003Debt Investments IT Services Avalara, Inc. First Lien Revolver SOFR(Q) Floor Rate 0.75% Spread 7.25% with Total Coupon 12.15% Maturity 10/19/20282023-03-310001326003us-gaap:AdditionalPaidInCapitalMember2022-12-310001326003Debt Investments Software Bonterra LLC (fka CyberGrants Holdings, LLC) First Lien Term Loan LIBOR(Q) Floor Rate 0.75% Spread 6.25% with Total Coupon 10.98% Maturity 9/8/20272022-12-310001326003Debt Investments Internet Software & Services2022-12-310001326003Equity Securities Capital Markets Pico Quantitative Trading Holdings, LLC Warrants to Purchase Membership Units Expiration 2/7/20302022-12-310001326003Debt Investments Diversified Financial Services Accordion Partners LLC First Lien Delayed Draw Term Loan B SOFR(Q) Floor Rate 0.75% and Spread 6.25% with Total Coupon 10.83% Maturity 8/29/20292022-12-310001326003Debt Investments Software Integrate.com, Inc. (Infinity Data, Inc.) First Lien Delayed Draw Term Loan SOFR(M) Floor Rate 1.00% Spread 3.00% Cash + 3.00% PIK with Total Coupon 10.85% Maturity 12/17/20272023-03-310001326003bkcc:ControlledInvestmentMember2023-03-3100013260032022-04-012022-06-300001326003bkcc:UnsecuredDebtSecuritiesMember2022-12-310001326003Non-Controlled Affiliate Security Kemmerer Operations, LLC (WMLP) Delayed Draw Term Loan, First Lien2021-12-310001326003Debt Investments Diversified Consumer Services Fusion Holding Corp. (Finalsite) First Lien Term Loan Quarterly SOFR Floor Rate 0.75% and Spread 6.25% with Total Coupon 11.15% Maturity 9/14/20292023-03-310001326003Non-Controlled Affiliate Security AGY Equity, LLC Class A Preferred Stock2022-01-012022-12-310001326003Equity Securities Oil, Gas & Consumable Fuels Trailblazer Energy Resources, LLC (fka ETX Energy, LLC) Limited Partnership/Limited Liability Company Interests2023-03-310001326003Equity Securities Internet Software & Services FinancialForce.com, Inc. Warrants to Purchase Series C Preferred Stock Expiration 1/30/20292022-12-310001326003us-gaap:EquitySecuritiesMemberus-gaap:MeasurementInputExpectedTermMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Member2023-03-310001326003Debt Investments Software Bluefin Holding, LLC (BlackMountain) Second Lien Term Loan LIBOR(Q) Spread 7.75% with Total Coupon 12.70% Maturity 9/3/20272023-03-310001326003Debt Investments Commercial Services & Supplies Thermostat Purchaser III, Inc. (Reedy Industries) Second Lien Delayed Draw Term Loan Quarterly LIBOR Floor Rate 0.75% and Spread 7.25% with Total Coupon 12.20% Maturity 8/31/20292023-03-310001326003Debt Investments Textiles, Apparel & Luxury Goods James Perse Enterprises, Inc. First Lien Term Loan SOFR(Q) Floor 1.00% Spread 6.25% with Total Coupon 10.93% Maturity 9/8/20272022-12-310001326003Debt Investments Technology Hardware, Storage & Peripherals SumUp Holdings Luxembourg S.A.R.L. (United Kingdom) First Lien Delayed Draw Term Loan SOFR(Q) Floor Rate 1.00% Spread 7.00% with Total Coupon 11.95% Maturity 2/17/20262023-03-310001326003Debt Investments Health Care Providers & Services Outcomes Group Holdings, Inc. Second Lien Term Loan SOFR(Q) Floor rate 0.50% and Spread 7.50% with Total Coupon 12.05% Maturity 10/26/20262022-12-310001326003Debt Investments Software SEP Raptor Acquisition, Inc. (Loopio) (Canada) First Lien Revolver LIBOR(Q) Floor Rate 1.00% Spread 4.50% Cash + 3.00% PIK with Total Coupon 12.69% Maturity 3/31/20272023-03-310001326003Debt Investments Consumer Finance Freedom Financial Network Funding, LLC First Lien Term Loan Semiannually SOFR Floor Rate 1.00% and Spread 9.00% with Total Coupon 13.95% Maturity 9/21/20272023-03-310001326003Debt Investments Diversified Financial Services2023-03-310001326003bkcc:BankDebtMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Memberbkcc:MeasurementInputImpliedVolatilityMember2023-03-3100013260032021-07-012021-09-300001326003bkcc:DiversifiedFinancialServicesMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003Equity Securities Internet Software & Services FinancialForce.com, Inc. Warrants to Purchase Series C Preferred Stock Expiration 1/30/20292023-03-310001326003Equity Securities Diversified Consumer Services Razor Group GmbH (Germany) Warrants to Purchase Series C Shares Expiration 4/28/20282022-12-310001326003us-gaap:IncomeApproachValuationTechniqueMemberus-gaap:EquitySecuritiesMembersrt:MinimumMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMember2023-03-310001326003Debt Investments Professional Services DTI Holdco, Inc. (Epiq Systems, Inc.) Second Lien Term Loan SOFR(Q) Floor Rate 0.75% Spread 7.75% with Total Coupon 11.84% Maturity 4/26/20302022-12-310001326003Debt Investments Distributors Colony Display LLC First Lien Term Loan Semiannaually SOFR Floor Rate 1.00% and Spread 9.50% with Total Coupon 13.91% Maturity 6/30/20262022-12-310001326003bkcc:SeniorSecuredRevolvingCreditFacilityMember2023-01-012023-03-310001326003us-gaap:SubsequentEventMember2023-04-262023-04-260001326003Equity Securities Capital Markets Marsico Holdings, LLC Limited Partnership/Limited Liability Company Interests2022-12-310001326003Debt Investments Health Care Providers & Services PHC Buyer, LLC (Patriot Home Care) First Lien Delayed Draw Term Loan SOFR(S) Floor rate 0.75% and Spread 6.00% with Total Coupon 10.70% Maturity 5/4/20282023-03-310001326003Controlled Affiliated Investments2023-03-310001326003Debt Investments Internet Software & Services Magenta Buyer, LLC (McAfee) Second Lien Term Loan LIBOR(Q) Floor Rate 0.75% and Spread 8.25% with Total Coupon 12.67% Maturity 7/27/20292022-12-310001326003us-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel3Member2022-12-310001326003Debt Investments Construction & Engineering CSG Buyer, Inc. (Core States) First Lien Revolver Quarterly SOFR Floor Rate 1.00% and Spread 6.00% with Total Coupon 11.16% Maturity 3/31/20282023-03-310001326003Debt Investments IT Services2022-12-310001326003Debt Investments Health Care Technology Gainwell Acquisition Corp. Second Lien Term Loan LIBOR(Q) Floor rate 1.00% and Spread 8.00% with Total Coupon 12.79% Maturity 10/2/20282023-03-310001326003Debt Investments Health Care Providers & Services PHC Buyer, LLC (Patriot Home Care) First Lien Delayed Draw Term Loan SOFR(S) Floor rate 0.75% and Spread 6.00% with Total Coupon 10.70% Maturity 5/4/20282022-12-310001326003Debt Investments Paper & Forest Products Alpine Acquisition Corp II (48Forty) First Lien Term Loan SOFR(M) Floor Rate 1.00% Spread 5.50% with Total Coupon 10.27% Maturity 11/30/20262023-03-310001326003Debt Investments Insurance2022-12-3100013260032022-07-012022-09-300001326003Equity Securities Household Durables Stitch Holdings, L.P. Limited Partnership/Limited Liability Company Interests2023-03-310001326003bkcc:UnsecuredSeniorNotesDueTwoThousandTwentyFiveMember2022-06-092022-06-0900013260032020-05-020001326003bkcc:IndustryConcentrationRiskMemberbkcc:SoftwareMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003bkcc:UnsecuredSeniorNotesDueTwoThousandTwentyFiveMember2023-01-012023-03-310001326003Debt Investments Software GTY Technology Holdings Inc. First Lien Delayed Draw Term Loan SOFR(Q) Floor Rate 0.75% Spread 2.58% Cash + 4.30% PIK with Total Coupon 11.63% Maturity 7/9/20292023-03-310001326003Debt Investments Internet Software & Services Bynder Bidco B.V. (Netherlands) First Lien Term Loan B SOFR(S) Floor Rate 1.00% and Spread 7.25% with Total Coupon 12.05% Maturity 1/26/20292023-03-310001326003bkcc:SemiconductorsAndSemiconductorEquipmentMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003bkcc:SeniorSecuredRevolvingCreditFacilityMembersrt:MaximumMemberus-gaap:BaseRateMember2022-01-012022-12-310001326003Debt Investments Software Disco Parent, Inc. (Duck Creek Technologies) First Lien Term Loan SOFR(Q) Floor Rate 1.00% Spread 7.50% with Total Coupon 12.39% Maturity 3/30/20292023-03-310001326003Debt Investments Health Care Technology ESO Solutions, Inc. First Lien Term Loan SOFR(Q) Floor rate 1.00% and Spread 7.00% with Total Coupon 11.90% Maturity 5/3/20272023-03-310001326003Debt Investments Professional Services DTI Holdco, Inc. (Epiq Systems, Inc.) Second Lien Term Loan SOFR(Q) Floor Rate 0.75% Spread 7.75% with Total Coupon 12.43% Maturity 4/26/20302023-03-310001326003bkcc:OilGasAndConsumableFuelsMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003Debt Investments Health Care Equipment & Supplies Zest Acquisition Corp. Second Lien Term Loan LIBOR(M) Floor Rate 1.00% and Spread 7.00% with Total Coupon 11.39% Maturity 3/14/20262022-12-310001326003Debt Investments Internet Software & Services Spartan Bidco Pty Ltd (StarRez) (Australia) First Lien Term Loan SOFR(Q) Floor Rate 0.75% Spread 0.75% cash + 6.50% PIK with Total Coupon 12.06% Maturity 1/24/20282023-03-310001326003Debt Investments Construction & Engineering LJ Avalon Holdings, LLC (Ardurra) First Lien Term Loan Quarterly SOFR Floor Rate 1.00% and Spread 6.50% with Total Coupon 11.33% Maturity 2/1/20302023-03-310001326003Equity Securities Oil, Gas & Consumable Fuels2022-12-310001326003Debt Investments Internet & Catalog Retail Syndigo, LLC Second Lien Term Loan LIBOR(S) Floor Rate 0.75% and Spread 8.00% with Total Coupon 13.21% Maturity 12/14/20282022-12-3100013260032023-04-280001326003us-gaap:GeographicConcentrationRiskMembercountry:DEbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003Debt Investments Software Backoffice Associates Holdings, LLC (Syniti) First Lien Term Loan SOFR(Q) Floor Rate 1.00% Spread 7.75% with Total Coupon 12.00% Maturity 4/30/20262022-12-310001326003us-gaap:FairValueInputsLevel2Member2022-12-310001326003Non-Controlled Affiliate Security2022-12-310001326003bkcc:SeniorSecuredRevolvingCreditFacilityMembersrt:MaximumMemberus-gaap:BaseRateMember2023-01-012023-03-310001326003Debt Investments Insurance Peter C. Foy & Associates Insurance Services, LLC (PCF Insurance) First Lien Delayed Draw Term Loan SOFR(S) Floor rate 0.75% and Spread 6.00% with Total Coupon 11.11% Maturity 11/1/20282022-12-310001326003Debt Investments Specialty Retail Calceus Acquisition, Inc. (Cole Haan) First Lien Sr Secured Notes Fixed Spread 9.75% with Total Coupon 9.75% Maturity 2/19/20252023-03-310001326003bkcc:IndustryConcentrationRiskMemberbkcc:ChemicalsMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003Debt Investments Construction & Engineering Sunland Asphalt & Construction, LLC First Lien Term Loan Semiannually LIBOR Floor Rate 1.00% and Spread 6.00% with Total Coupon 11.15% Maturity 1/13/20262023-03-310001326003bkcc:NonControlledNonAffiliatedInvestmentsMember2023-01-012023-03-310001326003bkcc:OilGasAndConsumableFuelsMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003Debt Investments Software Aerospike, Inc. First Lien Term Loan LIBOR(M) Floor Rate 1.00% Spread 7.50% with Total Coupon 11.88% Maturity 12/29/20252022-12-310001326003bkcc:SeniorSecuredLoansMember2022-12-310001326003Debt Investments Diversified Consumer Services Fusion Holding Corp. (Finalsite) First Lien Revolver Quarterly SOFR Floor Rate 0.75% and Spread 6.25% with Total Coupon 10.78% Maturity 9/15/20272022-12-310001326003Debt Investments Internet Software & Services Suited Connector, LLC First Lien Revolver LIBOR(S) Floor Rate 1.00% Spread 6.00% with Total Coupon 10.98% Maturity 12/1/20272022-12-310001326003bkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003Debt Investments Software Integrate.com, Inc. (Infinity Data, Inc.) First Lien Revolver SOFR(M) Floor Rate 1.00% Spread 6.00% with Total Coupon 10.85% Maturity 12/17/20272023-03-310001326003Debt Investments Construction & Engineering Homerenew Buyer, Inc. (Project Dream) First Lien Term Loan Semiannually SOFR Floor Rate 1.00% and Spread 6.50% with Total Coupon 11.54% Maturity 11/23/20272022-12-310001326003bkcc:BankDebtMember2022-12-310001326003Debt Investments Life Sciences Tools & Services Alcami Corporation First Lien Revolver SOFR(M) Floor Rate 1.00% Spread 7.00% with Total Coupon 11.91% Maturity 12/21/20282023-03-310001326003bkcc:ControlledInvestmentMember2022-01-012022-03-310001326003Debt Investments Professional Services ICIMS, Inc. First Lien Term Loan SOFR(Q) Floor Rate 0.75% Spread 3.38% Cash + 3.88% PIK with Total Coupon 11.52% Maturity 8/18/20282022-12-310001326003Non-Controlled Affiliate Security Kemmerer Operations, LLC (WMLP) Senior Secured Loan, First Lien2022-12-310001326003Debt Investments Internet Software & Services Magenta Buyer, LLC (McAfee) First Lien Incremental Term Loan Fixed Spread 12.00% with Total Coupon 12.00% Maturity 7/27/20282023-03-310001326003Debt Investments Internet Software & Services Gympass US, LLC First Lien Term Loan SOFR(Q) Floor Rate 1.00% and Spread 4.00% cash+ 4.00% PIK Total Coupon 12.77% Maturity 7/8/20272022-12-310001326003Debt Investments Media2023-03-310001326003Investment Elevate Brands Holdco Inc., Warrants to Purchase Common Stock Initial Acquisition Date 3/14/20222023-01-012023-03-310001326003Debt Investments Trading Companies & Distributors2022-12-310001326003Debt Investments Specialty Retail Hanna Andersson, LLC First Lien Term Loan LIBOR(M) Floor Rate 1.00% Spread 6.00% with Total Coupon 10.71% Maturity 7/2/20262023-03-310001326003bkcc:FivePointZeroZeroPercentConvertibleNotesDueTwoThousandTwentyTwoMember2017-06-132017-06-130001326003Debt Investments Health Care Technology Sandata Technologies, LLC First Lien Term Loan LIBOR(Q) and Spread 6.00% with Total Coupon 11.01% Maturity 7/23/20242023-03-310001326003Debt Investments Capital Markets2023-03-310001326003us-gaap:EquitySecuritiesMembersrt:MinimumMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Memberbkcc:MeasurementInputImpliedVolatilityMember2022-12-310001326003Non-Controlled Affiliate Security2022-01-012022-12-310001326003Preferred Stock2023-03-310001326003bkcc:CommercialServicesAndSuppliesMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003Debt Investments Software SEP Eiger BidCo Ltd. (Beqom) (Switzerland) First Lien Revolver SOFR(Q) Floor Rate 1.00% Spread 6.50% with Total Coupon 10.71% Maturity 5/9/20282022-12-310001326003bkcc:NonControlledAffiliatedInvestmentsMember2022-12-310001326003Debt Investments Internet Software & Services Sailpoint Technologies Holdings, Inc. First Lien Revolver SOFR(M) Floor Rate 0.75% Spread 6.25% with Total Coupon 10.99% Maturity 8/16/20282023-03-310001326003Controlled Affiliate Security Gordon Brothers Finance Company Preferred Stock2022-01-012022-12-310001326003us-gaap:GeographicConcentrationRiskMembercountry:USbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003Equity Securities Capital Markets2022-12-310001326003us-gaap:OtherDebtSecuritiesMember2022-03-310001326003Debt Investments Professional Services JobandTalent USA, Inc. (United Kingdom) First Lien Delayed Draw Term Loan (3.0% Exit Fee) SOFR(M) Floor Rate 1.00% Spread 8.75 % with Total Coupon 13.19% Maturity 2/17/20252022-12-310001326003us-gaap:OtherDebtSecuritiesMember2022-01-012022-03-310001326003us-gaap:RetainedEarningsMember2022-12-310001326003Debt Investments Specialty Retail Calceus Acquisition, Inc. (Cole Haan) First Lien Sr Secured Notes Fixed Spread 9.75% with Total Coupon 9.75% Maturity 2/19/20252022-12-310001326003Investment Stitch Holdings, L.P., Limited Partnership Interests Initial Acquisition Date 7/30/20212023-01-012023-03-310001326003Debt Investments Building Products Porcelain Acquisition Corporation (Paramount) First Lien Term Loan Quarterly LIBOR Floor Rate 1.00% and Spread 5.75% with Total Coupon 10.91% Maturity 4/30/20272023-03-310001326003us-gaap:MeasurementInputEbitdaMultipleMemberus-gaap:EquitySecuritiesMembersrt:MinimumMemberbkcc:MarketComparableCompaniesMemberus-gaap:FairValueInputsLevel3Member2023-03-310001326003Debt Investments Software Nvest, Inc. (SigFig) First Lien Term Loan SOFR(S) Floor Rate 1.00% Spread 7.50% with Total Coupon 13.15% Maturity 9/15/20252023-03-310001326003Debt Investments Textiles, Apparel & Luxury Goods James Perse Enterprises, Inc. First Lien Term Loan SOFR(M) Floor Rate 1.00% Spread 6.25% with Total Coupon 11.06% Maturity 9/8/20272023-03-310001326003Debt Investments Health Care Providers & Services Outcomes Group Holdings, Inc. Second Lien Term Loan LIBOR(M) and Spread 7.50% with Total Coupon 12.34% Maturity 10/26/20262023-03-310001326003us-gaap:AccountingStandardsUpdate202006Member2022-01-010001326003Equity Securities Diversified Consumer Services Elevate Brands Holdco Inc. Warrants to Purchase Preferred Stock Expiration 3/14/20322023-03-310001326003Debt Investments Software Zilliant Incorporated First Lien Revolver LIBOR(M) Floor Rate 0.75% Spread 6.00% with Total Coupon 10.35% Maturity 12/21/20272022-12-3100013260032018-03-062018-03-060001326003us-gaap:AdditionalPaidInCapitalMembersrt:CumulativeEffectPeriodOfAdoptionAdjustmentMember2021-12-310001326003bkcc:IndustryConcentrationRiskMemberbkcc:InternetSoftwareAndServicesMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003us-gaap:TreasuryStockMember2022-12-310001326003Equity Securities Software Grey Orange International Inc. Warrants to Purchase Common Stock Expiration 5/6/20322022-12-310001326003Restricted Securities2022-12-310001326003bkcc:BankDebtMemberus-gaap:MeasurementInputExpectedTermMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Member2023-03-310001326003Debt Investments Health Care Providers & Services PHC Buyer, LLC (Patriot Home Care) First Lien Term Loan SOFR(S) Floor rate 0.75% and Spread 6.00% with Total Coupon 10.70% Maturity 5/4/20282022-12-310001326003us-gaap:EquitySecuritiesMember2022-03-310001326003us-gaap:IncomeApproachValuationTechniqueMembersrt:MinimumMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMember2022-12-310001326003Debt Investments Capital Markets2022-12-310001326003Controlled Affiliate Security2022-12-310001326003bkcc:CapitalMarketsMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003Debt Investments Software2022-12-310001326003bkcc:IndustryConcentrationRiskMemberbkcc:MachinerySectorMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003Non-Controlled Affiliate Security2023-03-310001326003us-gaap:AdditionalPaidInCapitalMembersrt:CumulativeEffectPeriodOfAdoptionAdjustmentMember2022-01-012022-03-310001326003Equity Securities Diversified Consumer Services Elevate Brands Holdco Inc. Warrants to Purchase Preferred Stock Expiration 3/14/20322022-12-310001326003Interest Rate Swap Company Receives Fixed 2.633% Company Pays Floating 1 Day SOFR Counterparty CME Maturity Date 6/9/2025 Payment Frequency Annual2022-12-310001326003bkcc:IndustryConcentrationRiskMemberbkcc:ChemicalsMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003Debt Investments Diversified Financial Services Accordion Partners LLC First Lien Revolver Floor Rate 0.75% and Spread 6.25% with Total Coupon 10.83% Maturity 8/29/20292022-12-310001326003Debt Investments Hotels, Restaurants & Leisure2023-03-310001326003us-gaap:FairValueInputsLevel2Memberus-gaap:OtherDebtSecuritiesMember2023-03-310001326003bkcc:UnsecuredSeniorNotesDueTwoThousandTwentyFiveMemberus-gaap:DebtInstrumentRedemptionPeriodFourMember2022-06-092022-06-090001326003Investment Marsico Holdings, LLC, Limited Partnership/Limited Liability Company Interests Initial Acquisition Date 11/28/20072022-01-012022-12-310001326003Non-Controlled Affiliate Security AGY Equity, LLC Class C Common Stock2023-01-012023-03-310001326003us-gaap:IncomeApproachValuationTechniqueMembersrt:MaximumMemberbkcc:BankDebtMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMember2022-12-310001326003us-gaap:EquitySecuritiesMembersrt:MaximumMemberus-gaap:MeasurementInputRevenueMultipleMemberbkcc:MarketComparableCompaniesMemberus-gaap:FairValueInputsLevel3Member2022-12-310001326003Debt Investments Software GTY Technology Holdings Inc. First Lien Delayed Draw Term Loan SOFR(Q) Floor Rate 0.75% Spread 2.58% Cash + 4.30% PIK with Total Coupon 11.40% Maturity 7/9/20292022-12-310001326003Debt Investments Capital Markets Pico Quantitative Trading, LLC First Lien Term Loan (1.0% Exit Fee) Quarterly SOFR Floor Rate 1.5% and Spread 7.25% with Total Coupon 12.47% Maturity 2/7/20252023-03-310001326003bkcc:BlackrockFinancialManagementIncorporationMember2022-01-012022-03-310001326003Debt Investments Professional Services TLE Holdings, LLC First Lien Delayed Drew Term Loan LIBOR(M) Floor Rate 1.00% Spread 5.50% with Total Coupon 9.88% Maturity 6/28/20242022-12-310001326003Debt Investments Containers & Packaging PVHC Holding Corp. First Lien Term Loan Quarterly LIBOR Floor Rate 1.00% and Spread 4.75% with Total Coupon 9.48% Maturity 8/2/20242022-12-310001326003us-gaap:EquitySecuritiesMemberus-gaap:MeasurementInputExpectedTermMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Member2022-12-310001326003bkcc:UnsecuredSeniorNotesDueTwoThousandTwentyFiveMemberbkcc:TrancheOneMember2023-01-012023-03-3100013260032021-01-012021-03-310001326003Debt Investments Internet Software & Services Bynder Bidco B.V. (Netherlands) First Lien Revolver A SOFR(S) Floor Rate 1.00% and Spread 7.25% with Total Coupon 12.05% Maturity 1/26/20292023-03-310001326003Debt Investments Health Care Providers & Services Team Services Group, LLC Second Lien Term Loan LIBOR(S) Floor rate 1.00% and Spread 9.00% with Total Coupon 13.93% Maturity 11/13/20282023-03-310001326003Debt Investments Diversified Consumer Services Fusion Holding Corp. (Finalsite) First Lien Term Loan Quarterly SOFR Floor Rate 0.75% and Spread 6.25% with Total Coupon 10.78% Maturity 9/14/20292022-12-310001326003Equity Securities Chemicals2023-03-310001326003bkcc:LeisureProductsMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003Debt Investments Building Products Porcelain Acquisition Corporation (Paramount) First Lien Term Loan Quarterly LIBOR Floor Rate 1.00% and Spread 5.75% with Total Coupon 10.48% Maturity 4/30/20272022-12-3100013260032022-03-310001326003Debt Investments Internet Software & Services Gympass US, LLC First Lien Term Loan SOFR(M) Floor Rate 1.00% and Spread 4.00% cash+ 4.00% PIK Total Coupon 12.97% Maturity 7/8/20272023-03-310001326003Controlled Affiliate Security Gordon Brothers Finance Company Unsecured Debt2022-01-012022-12-310001326003bkcc:IndustryConcentrationRiskMemberbkcc:InternetAndCatalogRetailMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003Debt Investments Professional Services ICIMS, Inc. First Lien Delayed Draw Term Loan SOFR(Q) Floor Rate 0.75% Spread 3.38% Cash + 3.88% PIK with Total Coupon 11.52% Maturity 8/18/20282022-12-310001326003us-gaap:EquitySecuritiesMember2022-12-310001326003bkcc:SpecialtyRetailMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003Debt Investments Wireless Telecommunication Services OpenMarket, Inc. (Infobip) (United Kingdom) First Lien Term Loan LIBOR(Q) Floor 0.75% Spread 6.25% with Total Coupon 10.98% Maturity 9/17/20262022-12-310001326003Debt Investments Software Nvest, Inc. (SigFig) First Lien Term Loan SOFR(S) Floor Rate 1.00% Spread 7.50% with Total Coupon 11.49% Maturity 9/15/20252022-12-3100013260032021-04-012021-06-300001326003Debt Investments Commercial Services & Supplies Thermostat Purchaser III, Inc. (Reedy Industries) Second Lien Delayed Draw Term Loan Quarterly LIBOR Floor Rate 0.75% and Spread 7.25% with Total Coupon 11.98% Maturity 8/31/20292022-12-310001326003Debt Investments Specialty Retail Calceus Acquisition, Inc. (Cole Haan) First Lien Term Loan B LIBOR(Q) Spread 5.50% with Total Coupon 10.66% Maturity 2/12/20252023-03-310001326003Debt Investments Life Sciences Tools & Services Alcami Corporation First Lien Term Loan SOFR(M) Floor Rate 1.00% Spread 7.00% with Total Coupon 11.91% Maturity 12/21/20282023-03-310001326003us-gaap:EquitySecuritiesMember2023-03-310001326003Debt Investments Health Care Providers & Services Opco Borrower, LLC (Giving Home Health Care) First Lien Revolver SOFR(Q) Floor Rate 1.00% and Spread 6.50% with Total Coupon 11.50% Maturity 8/19/20272023-03-310001326003bkcc:SeniorSecuredRevolvingCreditFacilityMember2021-04-230001326003Debt Investments Automobiles2023-03-310001326003us-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel1Member2023-03-310001326003Debt Investments Construction & Engineering Homerenew Buyer, Inc. (Project Dream) First Lien Delayed Draw Term Loan Semiannually SOFR Floor Rate 1.00% and Spread 6.50% with Total Coupon 11.36% Maturity 11/23/20272022-12-310001326003Debt Investments Internet Software & Services Magenta Buyer, LLC (McAfee) Second Lien Term Loan LIBOR(Q) Floor Rate 0.75% and Spread 8.25% with Total Coupon 13.08% Maturity 7/27/20292023-03-310001326003bkcc:TwoThousandAndTwentyFivePrivatePlacementNotesMemberbkcc:FixedInterestRateMember2023-03-310001326003Debt Investments Internet & Catalog Retail2022-12-310001326003Investment Marsico Holdings, LLC, Limited Partnership/Limited Liability Company Interests Initial Acquisition Date 11/28/20072023-01-012023-03-310001326003us-gaap:AdditionalPaidInCapitalMember2021-12-310001326003Debt Investments Internet Software & Services InMoment, Inc. First Lien Term Loan SOFR(S) Floor Rate 0.75% and Spread 5.00% cash+ 2.50% PIK with Total Coupon 11.58% Maturity 6/8/20282023-03-310001326003us-gaap:EquitySecuritiesMembersrt:MinimumMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Memberbkcc:MeasurementInputEBITDAOrRevenueMultiplesMember2022-12-310001326003us-gaap:AdditionalPaidInCapitalMember2022-03-310001326003Equity Securities Metal & Mining Kemmerer Holdings, LLC (WMLP) Limited Partnership/Limited Liability Company Interests2022-12-310001326003Debt Investments Insurance AmeriLife Holdings, LLC First Lien Revolver SOFR(Q) Floor rate 0.75% and Spread 5.75% with Total Coupon 9.58% Maturity 8/31/20282022-12-310001326003Debt Investments Professional Services JobandTalent USA, Inc. (United Kingdom) First Lien Term Loan (3.0% Exit Fee) SOFR(M) Floor Rate 1.00% Spread 8.75 % with Total Coupon 13.19% Maturity 2/17/20252022-12-310001326003Debt Investments Professional Services2022-12-310001326003us-gaap:EquitySecuritiesMembersrt:MaximumMemberus-gaap:MeasurementInputExpectedTermMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Member2023-03-310001326003Debt Investments Real Estate Management & Development Greystone Select Company II, LLC (Passco) First Lien Term Loan SOFR(M) Floor Rate 1.50% Spread 6.50% with Total Coupon 11.42% Maturity 3/21/20272023-03-310001326003Debt Investments Health Care Technology Gainwell Acquisition Corp. Second Lien Term Loan LIBOR(Q) Floor rate 1.00% and Spread 8.00% with Total Coupon 11.74% Maturity 10/2/20282022-12-310001326003bkcc:BlackrockCapitalInvestmentAdvisorsLimitedLiabilityCorporationMember2022-12-310001326003Debt Investments Diversified Consumer Services2022-12-310001326003bkcc:BankDebtMembersrt:MinimumMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Memberbkcc:MeasurementInputEBITDAOrRevenueMultiplesMember2023-03-310001326003Debt Investments Health Care Providers & Services INH Buyer, Inc. (IMS Health) First Lien Term Loan (1.5% Exit Fee) SOFR(Q) Floor 1.00% Spread 3.50% Cash + 3.50% PIK Total Coupon 11.68 % Maturity 6/28/20282022-12-310001326003bkcc:HotelsRestaurantsAndLeisureMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003Controlled Affiliate Security Gordon Brothers Finance Company Preferred Stock2022-12-310001326003Debt Investments Health Care Providers & Services Opco Borrower, LLC (Giving Home Health Care) First Lien Term Loan SOFR(Q) Floor Rate 1.00% and Spread 6.50% with Total Coupon 11.18% Maturity 8/19/20272022-12-310001326003Debt Investments Software Superman Holdings, LLC (Foundation Software) First Lien Term Loan LIBOR(Q) Floor Rate 1.00% Spread 6.13% with Total Coupon 10.85% Maturity 8/31/20272022-12-310001326003Investment Razor Group GmbH (Germany), Warrants to Purchase Series C Shares Initial Acquisition Date 12/23/20222023-01-012023-03-310001326003Debt Investments Professional Services TLE Holdings, LLC First Lien Term Loan LIBOR(M) Floor Rate 1.00% Spread 5.50% with Total Coupon 10.34% Maturity 6/28/20242023-03-310001326003Non-Controlled Affiliate Security AGY Equity, LLC Class B Preferred Stock2022-12-310001326003Debt Investments Trading Companies & Distributors Blackbird Purchaser, Inc. (Ohio Transmission Corp.) Second Lien Delayed Draw Term Loan SOFR(M) Floor Rate 0.75% Spread 7.50% with Total Coupon 12.41% Maturity 4/8/20272023-03-310001326003us-gaap:GeographicConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003Equity Securities Chemicals AGY Equity, LLC Class B Preferred Stock2022-12-310001326003Debt Investments Diversified Financial Services 2-10 Holdco, Inc. First Lien Term Loan SOFR(M) Floor Rate 0.75% and Spread 6.00% with Total Coupon 10.91% Maturity 3/26/20262023-03-310001326003Equity Securities Diversified Financial Services Worldremit Group Limited (United Kingdom) Warrants to Purchase Series D Stock Expiration 2/11/20312022-12-310001326003Debt Investments Professional Services RigUp, Inc. First Lien Delayed Draw Term Loan (4.0% Exit Fee) LIBOR(M) Floor Rate 1.50% Spread 7.00% with Total Coupon 11.81% Maturity 3/1/20242022-12-310001326003Debt Investments Semiconductors & Semiconductor Equipment Emerald Technologies (U.S.) AcquisitionCo, Inc First Lien Term Loan SOFR(M) Floor Rate 1.00% Spread 6.25% with Total Coupon 11.16% Maturity 12/29/20272023-03-310001326003Investment Grey Orange International Inc., Warrants to Purchase Common Stock Initial Acquisition Date 5/6/20222022-01-012022-12-310001326003bkcc:NonControlledAffiliatedInvestmentsMember2022-01-012022-03-310001326003Equity Securities Trading Companies & Distributors Blackbird Holdco, Inc. (Ohio Transmission Corp.) Preferred Stock Total Coupon 12.50% PIK2023-03-310001326003Debt Investments Specialty Retail2023-03-310001326003Investment Pico Quantitative Trading Holdings, LLC, Warrants to Purchase Membership Units Initial Acquisition Date 2/7/20202022-01-012022-12-310001326003Debt Investments Professional Services GI Consilio Parent, LLC Second Lien Term Loan LIBOR(M) Floor Rate 0.50% Spread 7.50% with Total Coupon 12.34% Maturity 5/14/20292023-03-310001326003Debt Investments Machinery Sonnys Enterprises, LLC First Lien Delayed Draw Term Loan SOFR(Q) Floor Rate 1.00% Spread 6.75% with Total Coupon 10.99% Maturity 8/5/20262022-12-310001326003Debt Investments Consumer Finance2023-03-310001326003Debt Investments Diversified Financial Services Callodine Commercial Finance, LLC Subordinated Debt SOFR(M) Floor Rate 0.25% and Spread 8.50% with Total Coupon 13.76% Maturity 10/8/20272023-03-310001326003Debt Investments Software Bonterra LLC (fka CyberGrants Holdings, LLC) First Lien Delayed Draw Term Loan LIBOR(Q) Floor Rate 0.75% Spread 6.25% with Total Coupon 10.98% Maturity 9/8/20272022-12-310001326003bkcc:PaperAndForestProductsMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003us-gaap:IncomeApproachValuationTechniqueMembersrt:MinimumMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMember2023-03-310001326003us-gaap:EquitySecuritiesMembersrt:MaximumMemberus-gaap:MeasurementInputExpectedTermMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Member2022-12-310001326003Debt Investments Software Kong Inc. First Lien Term Loan SOFR(M) Floor Rate 1.00% Spread 5.50% Cash + 3.25% PIK with Total Coupon 12.99% Maturity 11/1/20272022-12-310001326003Debt Investments Software Zendesk, Inc. First Lien Revolver SOFR(Q) Floor Rate 0.75% Spread 6.50% with Total Coupon 11.38% Maturity 11/22/20282023-03-310001326003us-gaap:EquitySecuritiesMembersrt:MinimumMemberus-gaap:MeasurementInputExpectedTermMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Member2023-03-310001326003us-gaap:GeographicConcentrationRiskMembercountry:AUbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003Debt Investments2022-12-310001326003Debt Investments Automobiles ALCV Purchaser, Inc. (AutoLenders) First Lien Revolver Quarterly LIBOR Floor Rate 1.00% and Spread 6.75% with Total Coupon 11.67% Maturity 4/15/20262023-03-310001326003Interest Rate Swap Company Receives Fixed 2.633% Company Pays Floating 1 Day SOFR Counterparty CME Maturity Date 6/9/2025 Payment Frequency Annual2022-01-012022-12-310001326003bkcc:TwoThousandAndTwentyFivePrivatePlacementNotesMemberus-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember2022-06-090001326003bkcc:IndustryConcentrationRiskMemberbkcc:MachinerySectorMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003Equity Securities Oil, Gas & Consumable Fuels TER Management Resources, LLC (fka ETX Energy Management Company, LLC) Limited Partnership/Limited Liability Company Interests2023-03-310001326003us-gaap:FairValueInputsLevel2Memberus-gaap:EquitySecuritiesMember2023-03-310001326003Debt Investments Software Elastic Path Software Inc. (Canada) First Lien Term Loan SOFR(Q) Floor Rate 1.00% Spread 7.50% with Total Coupon 12.37% Maturity 1/6/20262023-03-310001326003Debt Investments Diversified Consumer Services SellerX Germany GmbH & Co. Kg (Germany) First Lien Delayed Draw Term Loan Quarterly LIBOR Floor Rate 1.00% and Spread 8.00% Cash and 3.00% PIK with Total Coupon 16.16% Maturity 11/23/20252023-03-310001326003Equity Securities Diversified Consumer Services Razor Group GmbH (Germany) Warrants to Purchase Preferred Series A1 Shares Expiration 4/28/20282022-12-310001326003Debt Investments Internet Software & Services Reveal Data Corporation et al First Lien FILO Term Loan SOFR(S) Floor Rate 1.00% Spread 6.50% with Total Coupon 9.92% Maturity 3/9/20282022-12-310001326003Debt Investments Diversified Financial Services Accordion Partners LLC First Lien Term Loan SOFR(Q) Floor Rate 0.75% and Spread 6.25% with Total Coupon 10.83% Maturity 8/29/20292022-12-310001326003Controlled Affiliate Security2023-03-310001326003Debt Investments Software JOBVITE, Inc. (Employ, Inc.) First Lien Term Loan SOFR(Q) Floor Rate 0.75% Spread 8.00% with Total Coupon 12.70% Maturity 8/5/20282023-03-310001326003Debt Investments Commercial Services & Supplies Pueblo Mechanical and Controls, LLC First Lien Delayed Draw Term Loan Quarterly SOFR Floor Rate 0.75% and Spread 6.00% with Total Coupon 10.49% Maturity 8/23/20282022-12-310001326003Debt Investments Software GTY Technology Holdings Inc. First Lien Revolver SOFR(Q) Floor Rate 0.75% Spread 6.25 with Total Coupon 10.83% Maturity 7/9/20292022-12-310001326003us-gaap:MeasurementInputEbitdaMultipleMemberus-gaap:EquitySecuritiesMemberbkcc:MarketComparableCompaniesMemberus-gaap:FairValueInputsLevel3Member2022-12-310001326003Debt Investments Software Zendesk, Inc. First Lien Revolver SOFR(Q) Floor Rate 0.75% Spread 6.50% with Total Coupon 11.04% Maturity 11/22/20282022-12-310001326003Debt Investments Professional Services2023-03-310001326003Debt Investments Professional Services VT TopCo, Inc. (Veritext) Second Lien Term Loan LIBOR(M) Floor Rate 0.75% Spread 6.75% with Total Coupon 11.13% Maturity 8/4/20262022-12-310001326003Debt Investments Internet Software & Services Reveal Data Corporation et al First Lien FILO Term Loan SOFR(S) Floor Rate 1.00% Spread 6.50% with Total Coupon 11.72% Maturity 3/9/20282023-03-310001326003Debt Investments Media NEP II, Inc. Second Lien Term Loan LIBOR(M) Spread 7.00% with Total Coupon 11.84% Maturity 10/19/20262023-03-310001326003Debt Investments Software Aerospike, Inc. First Lien Delayed Draw Term Loan (0.50% Exit Fee) SOFR(M) Floor Rate 1.00% Spread 7.50% with Total Coupon 12.46% Maturity 12/29/20252023-03-310001326003bkcc:SeniorSecuredRevolvingCreditFacilityMember2021-04-220001326003Non-Controlled Affiliate Security AGY Equity, LLC Class A Preferred Stock2023-01-012023-03-310001326003srt:MaximumMemberbkcc:BankDebtMemberus-gaap:MeasurementInputExpectedTermMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Member2023-03-310001326003Debt Investments Media NEP Group, Inc. et al First Lien Term Loan SOFR(M) Spread 3.75% with Total Coupon 8.56% Maturity 10/20/20252023-03-310001326003Debt Investments Construction & Engineering Sunland Asphalt & Construction, LLC First Lien Delayed Draw Term Loan Semiannually LIBOR Floor Rate 1.00% and Spread 6.00% with Total Coupon 11.15% Maturity 1/13/20262023-03-310001326003us-gaap:EquitySecuritiesMembersrt:MinimumMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Memberbkcc:MeasurementInputEBITDAOrRevenueMultiplesMember2023-03-310001326003Debt Investments Internet Software & Services2023-03-310001326003bkcc:MeasurementInputYieldMember2023-01-012023-03-310001326003bkcc:SeniorSecuredRevolvingCreditFacilityMember2023-03-310001326003bkcc:UnsecuredSeniorNotesDueTwoThousandTwentyFiveMemberus-gaap:DebtInstrumentRedemptionPeriodThreeMember2022-06-092022-06-090001326003Debt Investments Health Care Technology Appriss Health, LLC (PatientPing) First Lien Term Loan LIBOR(M) Floor rate 1.00% and Spread 7.25% with Total Coupon 11.54% Maturity 5/6/20272022-12-310001326003us-gaap:LondonInterbankOfferedRateLIBORMemberbkcc:SeniorSecuredRevolvingCreditFacilityMembersrt:MaximumMember2023-01-012023-03-310001326003Debt Investments Insurance AmeriLife Holdings, LLC First Lien Delayed Draw Term Loan SOFR(S) Floor rate 0.75% and Spread 5.75% with Total Coupon 10.15% Maturity 8/31/20292022-12-310001326003Equity Securities Chemicals AGY Equity, LLC Class A Preferred Stock2023-03-310001326003us-gaap:RetainedEarningsMember2021-12-310001326003Non-Controlled Affiliate Security AGY Equity, LLC Class C Common Stock2023-03-310001326003bkcc:ControlledInvestmentMember2022-12-310001326003Debt Investments Software GTY Technology Holdings Inc. First Lien Revolver SOFR(Q) Floor Rate 0.75% Spread 6.25% with Total Coupon 11.15% Maturity 7/9/20292023-03-310001326003Debt Investments Insurance IT Parent, LLC (Insurance Technologies) First Lien Revolver SOFR(M)/Prime Floor rate 1.00% and Spread 6.25% with Total Coupon 11.41% Maturity 10/1/20262023-03-310001326003us-gaap:GeographicConcentrationRiskMembercountry:DEbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003Equity Securities Household Durables Stitch Holdings, L.P. Limited Partnership/Limited Liability Company Interests2022-12-310001326003bkcc:LimitedPartnershipOrLimitedLiabilityCompanyInterestsMember2022-12-310001326003bkcc:LeisureProductsMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003bkcc:EquityWarrantsOrOptionsMember2022-12-310001326003Debt Investments Semiconductors & Semiconductor Equipment Emerald Technologies (U.S.) AcquisitionCo, Inc First Lien Revolver SOFR(M) Floor Rate 1.00% Spread 6.00% with Total Coupon 10.80% Maturity 12/29/20262023-03-310001326003Debt Investments Insurance Integrity Marketing Acquisition, LLC First Lien Incremental Revolver SOFR(Q) Floor rate 0.75% and Spread 6.50% with Total Coupon 11.39% Maturity 8/27/20252023-03-310001326003Debt Investments Media2022-12-310001326003bkcc:SeniorSecuredRevolvingCreditFacilityMember2022-01-012022-12-310001326003us-gaap:EquitySecuritiesMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Memberbkcc:MeasurementInputImpliedVolatilityMember2022-12-310001326003Debt Investments Diversified Financial Services Wealth Enhancement Group, LLC First Lien Revolver SOFR(S) Floor Rate 1.00% and Spread 6.00% with Total Coupon 10.44% Maturity 10/4/20272022-12-310001326003Cash and Investments2023-03-310001326003Debt Investments Construction & Engineering CSG Buyer, Inc. (Core States) First Lien Delayed Draw Term Loan Quarterly SOFR Floor Rate 1.00% and Spread 6.00% with Total Coupon 10.84% Maturity 3/31/20282022-12-310001326003bkcc:UnsecuredConvertibleSeniorNotesDue2022Member2023-01-012023-03-310001326003Debt Investments Internet Software & Services Astra Acquisition Corp. (Anthology) Second Lien Term Loan LIBOR(M) Floor Rate 0.75% and Spread 8.88% with Total Coupon 13.72% Maturity 10/25/20292023-03-310001326003Debt Investments Internet Software & Services Suited Connector, LLC First Lien Revolver LIBOR(S) Floor Rate 1.00% Spread 6.00% cash + 2.00% PIK with Total Coupon 12.98% Maturity 12/1/20272023-03-310001326003Non-Controlled Affiliate Security AGY Equity, LLC Class C Common Stock2022-12-310001326003Debt Investments Software Fusion Risk Management, Inc. First Lien Term Loan SOFR(Q) Floor Rate 1.00% Spread 3.25% Cash + 3.75% PIK with Total Coupon 11.40% Maturity 8/30/20282022-12-310001326003us-gaap:RetainedEarningsMembersrt:CumulativeEffectPeriodOfAdoptionAdjustmentMember2022-01-012022-03-310001326003bkcc:TwoThousandAndTwentyFivePrivatePlacementNotesMemberbkcc:FixedInterestRateMember2022-06-090001326003Debt Investments Commercial Services & Supplies Pueblo Mechanical and Controls, LLC First Lien Revolver Quarterly SOFR Floor Rate 0.75% and Spread 6.00% with Total Coupon 10.32% Maturity 8/23/20272022-12-310001326003us-gaap:EquitySecuritiesMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Memberbkcc:MeasurementInputEBITDAOrRevenueMultiplesMember2023-03-310001326003Debt Investments Health Care Technology ESO Solutions, Inc. First Lien Revolver SOFR(Q) Floor rate 1.00% and Spread 7.00% with Total Coupon 11.59% Maturity 5/3/20272022-12-310001326003Debt Investments Software GTY Technology Holdings Inc. First Lien Term Loan SOFR(Q) Floor Rate 0.75% Spread 2.58% Cash + 4.30% PIK with Total Coupon 11.77% Maturity 7/9/20292023-03-310001326003Non-Controlled Affiliate Security Kemmerer Holdings, LLC (WMLP) Limited Liability Co. Interest2021-12-310001326003Equity Securities Oil, Gas & Consumable Fuels2023-03-310001326003Debt Investments Software Fusion Risk Management, Inc. First Lien Term Loan SOFR(Q) Floor Rate 1.00% Spread 3.25% Cash + 3.50% PIK with Total Coupon 11.64% Maturity 8/30/20282023-03-310001326003bkcc:RealEstateManagementAndDevelopmentMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003Debt Investments Life Sciences Tools & Services2022-12-310001326003bkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003bkcc:NonControlledAffiliatedInvestmentsMember2023-01-012023-03-310001326003Debt Investments Software AlphaSense, Inc First Lien Term Loan SOFR(M) Floor Rate 1.00% Spread 7.00% with Total Coupon 11.44% Maturity 3/11/20272022-12-310001326003us-gaap:InterestRateSwapMember2023-01-012023-03-310001326003bkcc:SeniorSecuredLoansMember2022-12-310001326003us-gaap:TreasuryStockMember2023-03-310001326003us-gaap:AdditionalPaidInCapitalMember2022-01-012022-03-310001326003bkcc:IndustryConcentrationRiskMemberbkcc:ElectricalEquipmentMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003Debt Investments Hotels, Restaurants & Leisure Showtime Acquisition, L.L.C. (World Choice) First Lien Revolver SOFR(Q) Floor rate 1.00% and Spread 7.50% with Total Coupon 12.30% Maturity 8/7/20282023-03-310001326003Debt Investments Hotels, Restaurants & Leisure OCM Luxembourg Baccarat Bidco S.A.R.L. (Interblock) (Slovenia) First Lien Revolver SOFR(Q) Floor rate 0.75% and Spread 6.25% with Total Coupon 11.18% Maturity 6/3/20272023-03-310001326003Debt Investments Software SEP Raptor Acquisition, Inc. (Loopio) (Canada) First Lien Term Loan LIBOR(Q) Floor Rate 1.00% Spread 4.50% Cash + 3.00% PIK with Total Coupon 12.69% Maturity 3/31/20272023-03-310001326003Debt Investments Diversified Financial Services Wealth Enhancement Group, LLC First Lien Revolver SOFR(S) Floor Rate 1.00% and Spread 6.25% with Total Coupon 10.88% Maturity 10/4/20272023-03-310001326003Investment Elevate Brands Holdco Inc., Warrants to Purchase Preferred Stock Initial Acquisition Date 3/14/20222022-01-012022-12-310001326003us-gaap:FairValueInputsLevel2Memberbkcc:BankDebtMember2022-12-310001326003Debt Investments Textiles, Apparel & Luxury Goods James Perse Enterprises, Inc. First Lien Revolver SOFR(Q) Floor 1.00% Spread 6.25% with Total Coupon 10.93% Maturity 9/8/20272022-12-310001326003Debt Investments Machinery Sonnys Enterprises, LLC First Lien Term Loan SOFR(Q) Floor Rate 1.00% Spread 6.75% with Total Coupon 10.99% Maturity 8/5/20262022-12-310001326003us-gaap:PreferredStockMember2022-12-310001326003Debt Investments Hotels, Restaurants & Leisure OCM Luxembourg Baccarat Bidco S.A.R.L. (Interblock) (Slovenia) First Lien Term Loan SOFR(Q) Floor rate 0.75% and Spread 6.25% with Total Coupon 10.68% Maturity 6/3/20272022-12-310001326003bkcc:ControlledInvestmentMember2023-01-012023-03-310001326003Controlled Affiliate Security Gordon Brothers Finance Company Common Stock2023-03-310001326003Debt Investments Media Terraboost Media Operating Company, LLC First Lien Term Loan SOFR(Q) Floor Rate 1.00% Spread 6.50% with Total Coupon 11.55 % Maturity 8/23/20262023-03-310001326003Debt Investments Health Care Technology Sandata Technologies, LLC First Lien Term Loan LIBOR(Q) and Spread 6.00% with Total Coupon 11.19% Maturity 7/23/20242023-03-310001326003bkcc:MetalsAndMiningMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003Equity Securities Chemicals AGY Equity, LLC Class B Preferred Stock2023-03-310001326003us-gaap:MeasurementInputRevenueMultipleMember2023-01-012023-03-310001326003Debt Investments Software SEP Eiger BidCo Ltd. (Beqom) (Switzerland) First Lien Revolver SOFR(Q) Floor Rate 1.00% Spread 6.50% with Total Coupon 11.22% Maturity 5/9/20282023-03-310001326003Debt Investments Insurance AmeriLife Holdings, LLC First Lien Revolver SOFR(S) Floor rate 0.75% and Spread 5.75% with Total Coupon 10.88% Maturity 8/31/20282023-03-310001326003us-gaap:MeasurementInputExpectedTermMember2023-01-012023-03-310001326003Non-Controlled Affiliate Security AGY Equity, LLC Class A Preferred Stock2023-03-310001326003Equity Securities Diversified Consumer Services PerchHQ LLC Warrants to Purchase Common Stock Expiration 10/15/20272022-12-310001326003Debt Investments Professional Services JobandTalent USA, Inc. (United Kingdom) First Lien Term Loan (3.0% Exit Fee) SOFR(M) Floor Rate 1.00% Spread 8.75 % with Total Coupon 13.61% Maturity 2/17/20252023-03-310001326003us-gaap:IncomeApproachValuationTechniqueMembersrt:MinimumMemberbkcc:BankDebtMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMember2023-03-310001326003Investment FinancialForce.com, Warrants to Purchase Series C Preferred Stock Initial Acquisition Date 1/30/20192022-01-012022-12-310001326003bkcc:FivePointZeroZeroPercentConvertibleNotesDueTwoThousandTwentyTwoMember2017-06-130001326003Non-Controlled Affiliate Security AGY Equity, LLC Class A Preferred Stock2021-12-310001326003bkcc:ReimbursementExpensesMember2022-01-012022-03-310001326003Debt Investments Health Care Providers & Services Outcomes Group Holdings, Inc. Second Lien Term Loan LIBOR(Q) and Spread 7.50% with Total Coupon 12.23% Maturity 10/26/20262022-12-310001326003Debt Investments Software Kaseya Inc. First Lien Term Loan SOFR(Q) Floor Rate 0.75% Spread 5.75% with Total Coupon 10.65% Maturity 6/25/20292023-03-310001326003Debt Investments Paper & Forest Products Alpine Acquisition Corp II (48Forty) First Lien Revolver SOFR(Q) Floor Rate 1.00% Spread 5.50% with Total Coupon 9.76 % Maturity 11/30/20262022-12-310001326003bkcc:SemiconductorsAndSemiconductorEquipmentMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003Debt Investments IT Services Avalara, Inc. First Lien Term Loan SOFR(Q) Floor Rate 0.75% Spread 7.25% with Total Coupon 12.15% Maturity 10/19/20282023-03-310001326003bkcc:EquityWarrantsOrOptionsMember2023-03-310001326003Non-Controlled Affiliate Security AGY Equity, LLC Class C Common Stock2022-01-012022-12-310001326003Debt Investments Construction & Engineering LJ Avalon Holdings, LLC (Ardurra) First Lien Revolver Quarterly SOFR Floor Rate 1.00% and Spread 6.50% with Total Coupon 11.33% Maturity 2/1/20292023-03-310001326003Debt Investments Software Integrate.com, Inc. (Infinity Data, Inc.) First Lien Term Loan LIBOR(M)/SOFR(M) Floor Rate 1.00% Spread 3.00% Cash + 3.00% PIK with Total Coupon 10.34% Maturity 12/17/20272022-12-310001326003Debt Investments Internet Software & Services Sailpoint Technologies Holdings, Inc. First Lien Term Loan SOFR(M) Floor Rate 0.75% Spread 6.25% with Total Coupon 10.99% Maturity 8/16/20292023-03-310001326003Debt Investments Software SEP Raptor Acquisition, Inc. (Loopio) (Canada) First Lien Term Loan LIBOR(Q) Floor Rate 1.00% Spread 4.50% Cash + 3.00% PIK with Total Coupon 12.25% Maturity 3/31/20272022-12-310001326003bkcc:FivePointZeroZeroPercentConvertibleNotesDueTwoThousandTwentyTwoMemberus-gaap:CommonStockMember2022-01-012022-12-310001326003Debt Investments Commercial Services & Supplies Pueblo Mechanical and Controls, LLC First Lien Revolver PRIME Floor Rate 0.75% and Spread 5.00% with Total Coupon 13.00% Maturity 8/23/20272023-03-310001326003Debt Investments Media Streamland Media Midco LLC First Lien Term Loan SOFR(Q) Floor Rate 1.00% Spread 6.75% with Total Coupon 11.69% Maturity 8/31/20232023-03-310001326003us-gaap:GeographicConcentrationRiskMembercountry:GBbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003Debt Investments Consumer Finance Freedom Financial Network Funding, LLC First Lien Delayed Draw Term Loan Semiannually SOFR Floor Rate 1.00% and Spread 9.00% with Total Coupon 13.95% Maturity 9/21/20272023-03-310001326003Controlled Affiliate Security Gordon Brothers Finance Company Common Stock2021-12-310001326003Equity Securities Oil, Gas & Consumable Fuels Trailblazer Energy Resources, LLC (fka ETX Energy, LLC) Limited Partnership/Limited Liability Company Interests2022-12-310001326003Non-Controlled Affiliate Security2021-12-310001326003us-gaap:CommonStockMember2021-12-310001326003Debt Investments Textiles, Apparel & Luxury Goods James Perse Enterprises, Inc. First Lien Revolver SOFR(M) Floor Rate 1.00% Spread 6.25% with Total Coupon 11.06% Maturity 9/8/20272023-03-310001326003Debt Investments Machinery Sonnys Enterprises, LLC First Lien Delayed Draw Term Loan SOFR(Q) Floor Rate 1.00% Spread 6.75% with Total Coupon 11.58% Maturity 8/5/20262023-03-310001326003Debt Investments Commercial Services & Supplies Kellermeyer Bergensons Services, LLC First Lien Delayed Draw Term Loan B Quarterly LIBOR Floor Rate 1.00% and Spread 6.00% with Total Coupon 10.41% Maturity 11/7/20262022-12-310001326003us-gaap:FairValueInputsLevel3Member2023-03-310001326003us-gaap:CommonStockMembersrt:CumulativeEffectPeriodOfAdoptionAdjustmentMember2022-01-012022-03-310001326003Debt Investments Insurance Peter C. Foy & Associates Insurance Services, LLC (PCF Insurance) First Lien Delayed Draw Term Loan SOFR(S) Floor rate 0.75% and Spread 6.00% with Total Coupon 11.10% Maturity 11/1/20282023-03-310001326003Debt Investments Software Zilliant Incorporated First Lien Term Loan LIBOR(M) Floor Rate 0.75% Spread 2.00% Cash + 4.50% PIK with Total Coupon 11.28% Maturity 12/21/20272023-03-310001326003Debt Investments Diversified Financial Services Libra Solutions Intermediate Holdco, LLC et al (fka Oasis Financial, LLC) Second Lien Term Loan SOFR(M) Floor Rate 1.00% and Spread 18.50% with Total Coupon 12.93% Maturity 7/5/20262022-12-310001326003us-gaap:FairValueInputsLevel1Memberbkcc:BankDebtMember2023-03-310001326003bkcc:BankDebtMember2022-03-310001326003bkcc:AnnualIncentiveFeeBasedOnCapitalGainsMember2020-05-022020-05-020001326003Debt Investments Diversified Financial Services 2-10 Holdco, Inc. First Lien Revolver SOFR(M) Floor Rate 0.75% and Spread 6.00% with Total Coupon 10.91% Maturity 3/26/20262023-03-310001326003bkcc:IndustryConcentrationRiskMemberbkcc:WirelessTelecommunicationServicesMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003Debt Investments IT Services Madison Logic Holdings, Inc. First Lien Term Revolver SOFR(Q) Floor Rate 1.00% Spread 7.00% with Total Coupon 11.58% Maturity 12/30/20272022-12-310001326003Non-Controlled Affiliate Security AGY Equity, LLC Class B Preferred Stock2022-01-012022-12-310001326003Controlled Affiliate Security2023-01-012023-03-310001326003us-gaap:FairValueInputsLevel1Member2022-12-310001326003Debt Investments Containers & Packaging2022-12-310001326003Debt Securities2023-03-310001326003Debt Investments Software Bonterra LLC (fka CyberGrants Holdings, LLC) First Lien Term Loan LIBOR(Q) Floor 0.75% Spread 6.00% with Total Coupon 11.16% Maturity 9/8/20272023-03-310001326003Debt Investments Construction & Engineering2023-03-310001326003bkcc:MeasurementInputBookValueMultiplesMember2023-01-012023-03-310001326003bkcc:AssetsUpToTwoHundredPercentageOfNetValueAssetMember2020-05-022020-05-020001326003Debt Investments Software Elastic Path Software Inc. (Canada) First Lien Term Loan SOFR(Q) Floor Rate 1.00% Spread 7.50% with Total Coupon 11.33% Maturity 1/6/20262022-12-310001326003us-gaap:IncomeApproachValuationTechniqueMemberus-gaap:EquitySecuritiesMembersrt:MaximumMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMember2022-12-310001326003bkcc:ProfessionalServicesMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003bkcc:MediaMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003bkcc:BankDebtMemberus-gaap:FairValueInputsLevel3Member2023-03-310001326003bkcc:IndustryConcentrationRiskMemberbkcc:ITServicesMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003Equity Securities Capital Markets2023-03-310001326003Debt Investments Construction & Engineering CSG Buyer, Inc. (Core States) First Lien Term Loan Quarterly SOFR Floor Rate 1.00% and Spread 6.00% with Total Coupon 11.16% Maturity 3/31/20282023-03-310001326003Debt Investments Software AlphaSense, Inc First Lien Term Loan SOFR(M) Floor Rate 1.00% Spread 7.00% with Total Coupon 11.87% Maturity 3/11/20272023-03-310001326003Debt Investments Software Aras Corporation First Lien Revolver LIBOR(S) Floor Rate 1.00% Spread 6.50% with Total Coupon 9.50% Maturity 4/13/20272022-12-310001326003Debt Investments Insurance Peter C. Foy & Associates Insurance Services, LLC (PCF Insurance) First Lien Term Loan SOFR(S) Floor rate 0.75% and Spread 6.00% with Total Coupon 11.12% Maturity 11/1/20282023-03-310001326003Investment PerchHQ LLC, Warrants to Purchase Common Stock Initial Acquisition Date 9/30/20222023-01-012023-03-310001326003Debt Investments Software Zendesk, Inc. First Lien Delayed Draw Term Loan SOFR(Q) Floor Rate 0.75% Spread 3.50% Cash + 3.50% PIK with Total Coupon 11.88% Maturity 11/22/20282023-03-310001326003us-gaap:IncomeApproachValuationTechniqueMembersrt:MaximumMemberus-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMember2023-03-310001326003bkcc:AutomobilesSectorMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003Debt Investments Professional Services ICIMS, Inc. First Lien Term Loan SOFR(Q) Floor Rate 0.75% Spread 3.38% Cash + 3.88% PIK with Total Coupon 12.05% Maturity 8/18/20282023-03-310001326003Investment Razor Group GmbH (Germany), Warrants to Purchase Preferred Series A1 Shares Initial Acquisition Date 4/28/20212023-01-012023-03-310001326003Non-Controlled Affiliate Security AGY Equity, LLC Class B Preferred Stock2023-03-310001326003Controlled Affiliate Security Gordon Brothers Finance Company Unsecured Debt2023-03-310001326003us-gaap:CommonStockMember2023-03-310001326003us-gaap:SubordinatedDebtMember2023-03-310001326003Debt Investments Insurance IT Parent, LLC (Insurance Technologies) First Lien Revolver LIBOR(M)/Prime Floor rate 1.00% and Spread 6.25% with Total Coupon 11.21% Maturity 10/1/20262022-12-310001326003us-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Member2023-03-310001326003bkcc:UnsecuredSeniorNotesDueTwoThousandTwentyFiveMemberbkcc:TrancheTwoMember2023-01-012023-03-310001326003Debt Investments Diversified Financial Services Callodine Commercial Finance, LLC First Lien Term Loan SOFR(Q) Floor Rate 1.00% and Spread 9.00% with Total Coupon 14.13% Maturity 11/3/20252023-03-310001326003Debt Investments Software Kaseya Inc. First Lien Term Loan SOFR(Q) Floor Rate 0.75% Spread 5.75% with Total Coupon 10.33% Maturity 6/25/20292022-12-310001326003Debt Investments Paper & Forest Products FSK Pallet Holding Corp. (Kamps) First Lien Term Loan SOFR(Q) Floor Rate 1.25% Spread 6.00% with Total Coupon 10.78% Maturity 12/23/20262023-03-310001326003Debt Investments Textiles, Apparel & Luxury Goods2023-03-310001326003bkcc:UnsecuredSeniorNotesDueTwoThousandTwentyFiveMemberus-gaap:DebtInstrumentRedemptionPeriodTwoMember2022-06-092022-06-090001326003us-gaap:EquitySecuritiesMemberus-gaap:MeasurementInputRevenueMultipleMembersrt:MaximumMemberbkcc:MarketComparableCompaniesMemberus-gaap:FairValueInputsLevel3Member2023-03-310001326003Debt Investments Consumer Finance Money Transfer Acquisition Inc. First Lien Term Loan Monthly SOFR Floor Rate 1.00% and Spread 8.25% with Total Coupon 13.16% Maturity 12/14/20272023-03-310001326003Debt Investments Diversified Consumer Services Thras.io, LLC First Lien Term Loan Quarterly LIBOR Floor Rate 1.00% and Spread 7.00% with Total Coupon 12.16% Maturity 12/18/20262023-03-310001326003country:NLus-gaap:GeographicConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003Debt Investments Automobiles ALCV Purchaser, Inc. (AutoLenders) First Lien Term Loan Quarterly LIBOR Floor Rate 1.00% and Spread 6.75% with Total Coupon 11.71% Maturity 4/15/20262023-03-310001326003Debt Investments Automobiles2022-12-310001326003Debt Investments Diversified Financial Services Worldremit Group Limited (United Kingdom) First Lien Term Loan (3.0% Exit Fee) LIBOR(Q) Floor Rate 1.00% and Spread 9.25% with Total Coupon 14.17% Maturity 2/11/20252023-03-310001326003Debt Investments Construction & Engineering Homerenew Buyer, Inc. (Project Dream) First Lien Delayed Draw Term Loan Semiannually SOFR Floor Rate 1.00% and Spread 6.50% with Total Coupon 11.42% Maturity 11/23/20272023-03-310001326003Debt Investments Diversified Financial Services Worldremit Group Limited (United Kingdom) First Lien Term Loan (3.0% Exit Fee) LIBOR(Q) Floor 1.00% Spread 9.25% Total Coupon 13.91 % Maturity 2/11/20252022-12-310001326003us-gaap:IncomeApproachValuationTechniqueMembersrt:MaximumMemberbkcc:BankDebtMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMember2023-03-310001326003Debt Investments Internet Software & Services Pluralsight, Inc. First Lien Term Loan LIBOR(Q) Floor Rate 1.00% and Spread 8.00% with Total Coupon 11.83% Maturity 4/6/20272022-12-310001326003us-gaap:OtherDebtSecuritiesMemberus-gaap:FairValueInputsLevel3Member2022-12-3100013260032020-05-010001326003Debt Investments Health Care Technology CareATC, Inc. First Lien Term Loan LIBOR(Q) Floor rate 1.00% and Spread 7.25% with Total Coupon 11.99% Maturity 3/14/20242022-12-310001326003Debt Investments Real Estate Management & Development Greystone Affordable Housing Initiatives, LLC First Lien Delayed Draw Term Loan LIBOR(S) Floor Rate 1.25% Spread 6.00% with Total Coupon 11.14% Maturity 3/2/20262023-03-310001326003Debt Investments Health Care Providers & Services2022-12-310001326003Debt Investments Machinery2022-12-310001326003us-gaap:GeographicConcentrationRiskMembercountry:CHbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003Debt Investments Professional Services TLE Holdings, LLC First Lien Delayed Drew Term Loan LIBOR(M) Floor Rate 1.00% Spread 5.50% with Total Coupon 10.34% Maturity 6/28/20242023-03-310001326003us-gaap:GeographicConcentrationRiskMembercountry:SIbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003bkcc:BankDebtMembersrt:MinimumMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Memberbkcc:MeasurementInputImpliedVolatilityMember2022-12-310001326003Equity Securities2022-12-310001326003Debt Investments Professional Services JobandTalent USA, Inc. (United Kingdom) First Lien Term Loan (3.0% Exit Fee) SOFR(M) Floor Rate 1.00% Spread 8.75% with Total Coupon 13.61% Maturity 2/17/20252023-03-310001326003Debt Investments Software Oversight Systems, Inc. First Lien Term Loan LIBOR(M) Floor Rate 1.00% Spread 7.00% with Total Coupon 11.38% Maturity 9/24/20262022-12-310001326003bkcc:TechnologyHardwareStorageAndPeripheralsMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003bkcc:TwoThousandAndTwentyFivePrivatePlacementNotesMember2022-01-012022-12-310001326003Debt Investments Life Sciences Tools & Services Alcami Corporation First Lien Revolver SOFR(M) Floor Rate 1.00% Spread 7.00% with Total Coupon 11.42% Maturity 12/21/20282022-12-310001326003Controlled Affiliate Security Gordon Brothers Finance Company Preferred Stock2023-03-310001326003us-gaap:TreasuryStockMembersrt:CumulativeEffectPeriodOfAdoptionAdjustmentMember2021-12-310001326003FinancialForce.com, Warrants to Purchase Series C Preferred Stock Initial Acquisition Date 1/30/20192023-01-012023-03-310001326003us-gaap:FairValueInputsLevel2Member2023-01-012023-03-310001326003Debt Investments Software Disco Parent, Inc. (Duck Creek Technologies) First Lien Revolver SOFR(Q) Floor Rate 1.00% Spread 7.50% with Total Coupon 12.39% Maturity 3/30/20292023-03-310001326003Debt Investments Internet Software & Services Pluralsight, Inc. First Lien Revolver LIBOR(M) Floor Rate 1.00% and Spread 8.00% with Total Coupon 12.36% Maturity 4/6/20272022-12-310001326003us-gaap:GeographicConcentrationRiskMembercountry:GBbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003bkcc:DistributorsMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-3100013260032022-01-012022-03-310001326003Debt Investments Trading Companies & Distributors Blackbird Purchaser, Inc. (Ohio Transmission Corp.) Second Lien Term Loan LIBOR(M) Floor 0.75% Spread 7.50% with Total Coupon 11.88% Maturity 4/8/20272022-12-310001326003Debt Investments Semiconductors & Semiconductor Equipment Emerald Technologies (U.S.) AcquisitionCo, Inc First Lien Term Loan SOFR(M) Floor Rate 1.00% Spread 6.25% with Total Coupon 10.67% Maturity 12/29/20272022-12-310001326003Interest Rate Swap Company Receives Fixed 2.633% Company Pays Floating 1 Day SOFR Counterparty CME Maturity Date 6/9/2025 Payment Frequency Annual2023-01-012023-03-310001326003Equity Securities Diversified Consumer Services Elevate Brands Holdco Inc. Warrants to Purchase Common Stock Expiration 3/14/20322023-03-310001326003us-gaap:OtherDebtSecuritiesMember2023-03-310001326003Debt Investments Real Estate Management & Development Greystone Affordable Housing Initiatives, LLC First Lien Delayed Draw Term Loan LIBOR(S) Floor Rate 1.25% Spread 6.00% with Total Coupon 9.05% Maturity 3/2/20262022-12-310001326003us-gaap:RetainedEarningsMember2022-03-310001326003Debt Investments Health Care Providers & Services Opco Borrower, LLC (Giving Home Health Care) First Lien Revolver SOFR(M) Floor Rate 1.00% and Spread 6.50% with Total Coupon 10.87% Maturity 8/19/20272022-12-310001326003bkcc:TextilesApparelAndLuxuryGoodsMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003Debt Investments Software Superman Holdings, LLC (Foundation Software) First Lien Revolver LIBOR(Q) Floor Rate 1.00% Spread 6.13% with Total Coupon 11.28% Maturity 8/31/20262023-03-310001326003bkcc:IndustryConcentrationRiskMemberbkcc:ITServicesMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003Equity Securities Diversified Consumer Services PerchHQ LLC Warrants to Purchase Common Stock Expiration 10/15/20272023-03-310001326003Controlled Affiliate Security2022-01-012022-12-310001326003Debt Investments Software Integrate.com, Inc. (Infinity Data, Inc.) First Lien Term Loan LIBOR(M)/SOFR(M) Floor Rate 1.00% Spread 3.00% Cash + 3.00% PIK with Total Coupon 10.78% Maturity 12/17/20272023-03-310001326003us-gaap:TreasuryStockMember2021-12-310001326003bkcc:InvestmentAdvisorExpensesMember2023-01-012023-03-310001326003us-gaap:IncomeApproachValuationTechniqueMemberus-gaap:EquitySecuritiesMemberus-gaap:FairValueInputsLevel3Memberus-gaap:MeasurementInputDiscountRateMember2023-03-310001326003bkcc:FivePointZeroZeroPercentConvertibleNotesDueTwoThousandTwentyTwoMember2023-01-012023-03-310001326003Equity Securities Diversified Consumer Services Razor Group GmbH (Germany) Warrants to Purchase Series C Shares Expiration 4/28/20282023-03-310001326003Debt Investments Diversified Consumer Services SellerX Germany GmbH & Co. Kg (Germany) First Lien Delayed Draw Term Loan Quarterly LIBOR Floor Rate 1.00% and Spread 8.00% Cash and 3.00% PIK with Total Coupon 15.73% Maturity 11/23/20252022-12-310001326003Equity Securities Diversified Consumer Services2022-12-310001326003srt:MaximumMember2023-03-310001326003us-gaap:EquitySecuritiesMembersrt:MinimumMemberus-gaap:MeasurementInputExpectedTermMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Member2022-12-310001326003us-gaap:MeasurementInputEbitdaMultipleMemberus-gaap:EquitySecuritiesMembersrt:MaximumMemberbkcc:MarketComparableCompaniesMemberus-gaap:FairValueInputsLevel3Member2023-03-310001326003Debt Investments Insurance IT Parent, LLC (Insurance Technologies) First Lien Term Loan LIBOR(M) Floor rate 1.00% and Spread 6.25% with Total Coupon 10.63% Maturity 10/1/20262022-12-310001326003Debt Investments Software Elastic Path Software Inc. (Canada) First Lien Delayed Draw Term Loan SOFR(Q) Floor Rate 1.00% Spread 7.50% with Total Coupon 12.12% Maturity 1/6/20262022-12-310001326003Non-Controlled Affiliate Security Kemmerer Operations, LLC (WMLP) Senior Secured Loan, First Lien2023-03-310001326003Debt Investments Internet Software & Services Persado, Inc. First Lien Delayed Draw Term Loan (6.575% Exit Fee) SOFR(M) Floor Rate 1.80% and Spread 7.50% with Total Coupon 12.17% Maturity 6/10/20272023-03-310001326003Equity Securities Diversified Consumer Services MXP Prime Platform GmbH (SellerX) (Germany) Warrants to Purchase Preferred Series B Shares Expiration 11/23/20282022-12-310001326003srt:CumulativeEffectPeriodOfAdoptionAdjustmentMember2023-01-012023-03-310001326003Debt Investments Diversified Consumer Services Whele LLC (Perch) First Lien Incremental Term Loan Monthly SOFR Floor Rate 1.00% and Spread 8.50% Cash + 3.00% PIK with Total Coupon 16.65% Maturity 10/15/20252023-03-310001326003bkcc:MarketQuotationsMemberbkcc:BankDebtMemberus-gaap:FairValueInputsLevel3Memberbkcc:MeasurementInputIndicativeBidOrAskQuotesMember2023-03-310001326003bkcc:TwoThousandAndTwentyFivePrivatePlacementNotesMember2022-12-310001326003Debt Investments Software Kaseya Inc. First Lien Revolver SOFR(Q) Floor Rate 0.75% Spread 5.75% with Total Coupon 10.65% Maturity 6/25/20292023-03-310001326003us-gaap:CommonStockMember2022-12-310001326003Debt Investments Internet Software & Services Anaconda, Inc. First Lien Term Loan SOFR(Q) Floor Rate 1.00% and Spread 7.50% with Total Coupon 12.37% Maturity 8/22/20272023-03-310001326003us-gaap:FairValueInputsLevel2Memberus-gaap:OtherDebtSecuritiesMember2022-12-310001326003Debt Investments Construction & Engineering Homerenew Buyer, Inc. (Project Dream) First Lien Term Loan Semiannually SOFR Floor Rate 1.00% and Spread 6.50% with Total Coupon 11.54% Maturity 11/23/20272023-03-310001326003bkcc:SeniorSecuredRevolvingCreditFacilityMember2021-04-232021-04-230001326003us-gaap:CommonStockMember2022-01-012022-03-310001326003Debt Investments Diversified Consumer Services Fusion Holding Corp. (Finalsite) First Lien Revolver Quarterly SOFR Floor Rate 0.75% and Spread 6.25% with Total Coupon 11.15% Maturity 9/15/20272023-03-310001326003Debt Investments Health Care Providers & Services2023-03-310001326003Debt Investments Health Care Providers & Services INH Buyer, Inc. (IMS Health) First Lien Term Loan (1.5% Exit Fee) SOFR(Q) Floor Rate 1.00% and Spread 3.50% Cash + 3.50% PIK with Total Coupon 11.68% Maturity 6/28/20282022-12-310001326003Debt Investments Diversified Financial Services Gordon Brothers Finance Company Unsecured Debt LIBOR(M) Floor Rate 1.00% and Spread 11.00% with Total Coupon 17.84% Maturity 10/31/20212023-03-310001326003bkcc:IndustryConcentrationRiskMemberbkcc:WirelessTelecommunicationServicesMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003us-gaap:RetainedEarningsMember2023-03-310001326003Debt Investments Software Bonterra LLC (fka CyberGrants Holdings, LLC) First Lien Delayed Draw Term Loan LIBOR(Q) Floor Rate 0.75% Spread 6.00% with Total Coupon 11.16% Maturity 9/8/20272023-03-310001326003Debt Investments Life Sciences Tools & Services Alcami Corporation First Lien Term Loan SOFR(M) Floor Rate 1.00% Spread 7.00% with Total Coupon 11.42% Maturity 12/21/20282022-12-310001326003Debt Investments Consumer Finance Freedom Financial Network Funding, LLC First Lien Term Loan Semiannually SOFR Floor Rate 1.00% and Spread 9.00% with Total Coupon 13.95% Maturity 9/21/20272022-12-310001326003bkcc:TwoThousandAndTwentyFivePrivatePlacementNotesMemberbkcc:FixedInterestRateMember2022-12-310001326003srt:MaximumMemberbkcc:SeniorSecuredLoansMemberus-gaap:BaseRateMember2023-03-310001326003Equity Securities Software Grey Orange International Inc. Warrants to Purchase Common Stock Expiration 5/6/20322023-03-310001326003Debt Investments Diversified Financial Services GC Champion Acquisition LLC (Numerix) First Lien Delayed Draw Term Loan SOFR(M) Floor Rate 1.00% and Spread 6.75% with Total Coupon 11.56% Maturity 8/21/20282023-03-310001326003Debt Investments Software Kaseya Inc. First Lien Revolver SOFR(Q) Floor Rate 0.75% Spread 5.75% with Total Coupon 10.33% Maturity 6/25/20292022-12-310001326003Debt Investments Software Aerospike, Inc. First Lien Term Loan (0.50% Exit Fee) SOFR(M) Floor Rate 1.00% Spread 7.50% with Total Coupon 12.42% Maturity 12/29/20252023-03-310001326003Debt Securities2022-12-310001326003bkcc:TextilesApparelAndLuxuryGoodsMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003Equity Securities Diversified Consumer Services MXP Prime Platform GmbH (SellerX) (Germany) Warrants to Purchase Preferred Series B Shares Expiration 11/23/20282023-03-310001326003bkcc:IndustryConcentrationRiskMemberbkcc:HealthCareTechnologyMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003Debt Investments Internet Software & Services Suited Connector, LLC First Lien Delayed Draw Term Loan LIBOR(S) Floor Rate 1.00% Spread 6.00% with Total Coupon 10.92% Maturity 12/1/20272022-12-310001326003Debt Investments Real Estate Management & Development Greystone Select Company II, LLC (Passco) First Lien Delayed Draw Term Loan SOFR(M) Floor Rate 1.50% Spread 6.50% with Total Coupon 10.94% Maturity 3/21/20272022-12-310001326003bkcc:LifeSciencesToolsAndServicesMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003Debt Investments Internet Software & Services Suited Connector, LLC First Lien Term Loan LIBOR(S) Floor Rate 1.00% Spread 6.00% cash + 2.00% PIK with Total Coupon 12.92% Maturity 12/1/20272023-03-310001326003bkcc:IndustryConcentrationRiskMemberbkcc:InternetAndCatalogRetailMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003Non-Controlled Affiliate Security Kemmerer Operations, LLC (WMLP) Delayed Draw Term Loan, First Lien2023-03-310001326003bkcc:FivePointZeroZeroPercentConvertibleNotesDueTwoThousandTwentyTwoMemberus-gaap:IPOMember2017-06-130001326003us-gaap:EquitySecuritiesMembersrt:MinimumMemberus-gaap:ValuationTechniqueOptionPricingModelMemberus-gaap:FairValueInputsLevel3Memberbkcc:MeasurementInputImpliedVolatilityMember2023-03-310001326003Debt Investments Software Oversight Systems, Inc. First Lien Term Loan SOFR(M) Floor Rate 1.00% Spread 7.00% with Total Coupon 11.91% Maturity 9/24/20262023-03-310001326003bkcc:IndustryConcentrationRiskMemberbkcc:HealthCareEquipmentAndSuppliesMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003Non-Controlled Affiliate Security Kemmerer Operations, LLC (WMLP) Senior Secured Loan, First Lien2021-12-310001326003srt:CumulativeEffectPeriodOfAdoptionAdjustmentMember2021-12-310001326003us-gaap:EquitySecuritiesMemberus-gaap:MeasurementInputRevenueMultipleMemberbkcc:MarketComparableCompaniesMemberus-gaap:FairValueInputsLevel3Member2022-12-310001326003Debt Investments Media Streamland Media Midco LLC First Lien Term Loan SOFR(Q) Floor Rate 1.00% Spread 6.75% with Total Coupon 11.11% Maturity 8/31/20232022-12-310001326003Debt Investments Diversified Financial Services GC Champion Acquisition LLC (Numerix) First Lien Term Loan SOFR(S) Floor Rate 1.00% and Spread 6.75% with Total Coupon 11.15% Maturity 8/21/20282022-12-310001326003bkcc:ConstructionAndEngineeringMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2022-01-012022-12-310001326003bkcc:NonControlledNonAffiliatedInvestmentsMember2022-12-310001326003Non-Controlled Affiliate Security AGY Equity, LLC Class B Preferred Stock2023-01-012023-03-310001326003Interest Rate Swap Company Receives Fixed 2.633% Company Pays Floating 1 Day SOFR Counterparty CME Maturity Date 6/9/2025 Payment Frequency Annual2023-03-310001326003bkcc:HouseholdDurablesMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003Debt Investments IT Services2023-03-310001326003Debt Investments Software JOBVITE, Inc. (Employ, Inc.) First Lien Term Loan SOFR(S) Floor Rate 1.00% Spread 8.00% with Total Coupon 10.93% Maturity 8/5/20282022-12-310001326003us-gaap:CommonStockMembersrt:CumulativeEffectPeriodOfAdoptionAdjustmentMember2021-12-310001326003Debt Investments Diversified Financial Services Wealth Enhancement Group, LLC First Lien Delayed Draw Term Loan SOFR(S) Floor Rate 1.00% and Spread 6.25% with Total Coupon 10.88% Maturity 10/4/20272023-03-3100013260032021-10-012021-12-310001326003Debt Investments Software Zilliant Incorporated First Lien Delayed Draw Term Loan LIBOR(M) Floor Rate 0.75% Spread 2.00% Cash + 4.50% PIK with Total Coupon 10.85% Maturity 12/21/20272022-12-310001326003bkcc:CapitalMarketsMemberbkcc:IndustryConcentrationRiskMemberbkcc:InvestmentsAtFairValueMember2023-01-012023-03-310001326003Investment SuCo Investors, LP (Suited Connector), Warrants to Purchase Class A Units Initial Acquisition Date 3/6/20232023-01-012023-03-310001326003Debt Investments Hotels, Restaurants & Leisure OCM Luxembourg Baccarat Bidco S.A.R.L. (Interblock) (Slovenia) First Lien Term Loan SOFR(Q) Floor rate 0.75% and Spread 6.25% with Total Coupon 11.18% Maturity 6/3/20272023-03-310001326003us-gaap:CommonStockMember2022-12-310001326003Debt Investments Internet Software & Services Oranje Holdco, Inc. (KnowBe4) First Lien Revolver SOFR(Q) Floor Rate 1.00% and Spread 7.75% with Total Coupon 12.43% Maturity 2/1/20292023-03-310001326003Debt Investments Software Syntellis Parent, LLC (Axiom Software) First Lien Term Loan SOFR(M) Floor Rate 1.00% Spread 6.50% with Total Coupon 10.82% Maturity 8/2/20272022-12-310001326003Debt Investments Specialty Retail Calceus Acquisition, Inc. (Cole Haan) First Lien Term Loan B LIBOR(Q) Spread 5.50% with Total Coupon 10.23% Maturity 2/12/20252022-12-310001326003Debt Investments Speciality Retail2022-12-310001326003Debt Investments Internet Software & Services Magenta Buyer, LLC (McAfee) First Lien Incremental Term Loan Fixed Spread 12.00% with Total Coupon 12.00% Maturity 7/27/20282022-12-310001326003Non-Controlled Affiliate Security2023-01-012023-03-310001326003Debt Investments Diversified Consumer Services Razor Group GmbH (Germany) First Lien Sr Secured Convertible Term Loan Fixed Spread 3.50% Cash and 3.50% PIK with Total Coupon 7.00% Maturity 4/30/20252022-12-310001326003Debt Investments Media Streamland Media Midco LLC First Lien Delayed Draw Term Loan SOFR(Q) Floor Rate 1.00% Spread 6.75% with Total Coupon 11.11% Maturity 8/31/20232022-12-310001326003us-gaap:SubordinatedDebtMember2022-12-310001326003Debt Investments Commercial Services & Supplies Kellermeyer Bergensons Services, LLC First Lien Delayed Draw Term Loan B Quarterly LIBOR Floor Rate 1.00% and Spread 6.00% with Total Coupon 10.83% Maturity 11/7/20262023-03-310001326003Debt Investments Software Bluefin Holding, LLC (BlackMountain) Second Lien Term Loan LIBOR(Q) Spread 7.75% with Total Coupon 12.48% Maturity 9/3/20272022-12-310001326003Debt Investments IT Services Madison Logic Holdings, Inc. First Lien Term Revolver SOFR(Q) Floor Rate 1.00% Spread 7.00% with Total Coupon 11.90% Maturity 12/30/20272023-03-310001326003Debt Investments Internet Software & Services Pluralsight, Inc. First Lien Revolver LIBOR(Q) Floor Rate 1.00% and Spread 8.00% with Total Coupon 12.78% Maturity 4/6/20272023-03-31xbrli:purebkcc:Investmentxbrli:sharesiso4217:USDiso4217:USDxbrli:sharesbkcc:Tranche