v3.25.0.1
Fair Value Measurements (Tables)
3 Months Ended
Dec. 31, 2024
Fair Value Disclosures [Abstract]  
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis
The following tables present fair value measurements of the Company’s investments and indicate the fair value hierarchy of the valuation techniques utilized to determine such fair value as of December 31, 2024 and September 30, 2024:
As of December 31, 2024Fair Value Measurements Using
DescriptionLevel 1Level 2Level 3Total
Assets, at fair value:        
Debt investments(1)
$— $— $8,076,256 $8,076,256 
Equity investments(1)
102 — 608,873 608,975 
Money market funds(1)(2)
153,214 — — 153,214 
Forward currency contracts— 17,292 — 17,292 
Interest rate swaps— 2,691 — 2,691 
Total assets, at fair value:$153,316 $19,983 $8,685,129 $8,858,428 
Liabilities, at fair value:
Forward currency contracts $— $(255)$— $(255)
Interest rate swaps— (10,148)— (10,148)
Total liabilities, at fair value:$— $(10,403)$— $(10,403)
As of September 30, 2024Fair Value Measurements Using
DescriptionLevel 1Level 2Level 3Total
Assets, at fair value:        
Debt investments(1)
$— $— $7,656,873 $7,656,873 
Equity investments(1)
118 — 578,420 578,538 
Money market funds(1)(2)
213,101 — — 213,101 
Forward currency contracts— 5,695 5,695 
Interest rate swaps31,486 31,486 
Total assets, at fair value:$213,219 $37,181 $8,235,293 $8,485,693 
Liabilities at fair value:
Forward currency contracts $— $(7,691)$— $(7,691)
Total liabilities, at fair value:$— $(7,691)$— $(7,691)
(1)Refer to the Consolidated Schedules of Investments for further details.
(2)Included in cash and cash equivalents and restricted cash and cash equivalents on the Consolidated Statements of Financial Condition.
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation
The following tables present the changes in investments measured at fair value using Level 3 inputs for the three months ended December 31, 2024 and 2023:
For the three months ended December 31, 2024
  Debt
Investments
Equity
Investments
Total
Investments
Fair value, beginning of period$7,656,873 $578,420 $8,235,293 
Net change in unrealized appreciation (depreciation) on investments48,673 (5,044)43,629 
Net translation of investments in foreign currencies(46,421)(23)(46,444)
Realized gain (loss) on investments(25,589)233 (25,356)
Realized gain (loss) on translation of investments in foreign currencies(2,722)— (2,722)
Fundings of (proceeds from) revolving loans, net2,169 — 2,169 
Fundings of investments871,564 37,950 909,514 
PIK interest and non-cash dividends13,211 7,264 20,475 
Proceeds from non-cash dividends— (1,824)(1,824)
Proceeds from principal payments and sales of portfolio investments(442,071)(8,103)(450,174)
Accretion of discounts and amortization of premiums569 — 569 
Fair value, end of period$8,076,256 $608,873 $8,685,129 
For the three months ended December 31, 2023
  Debt
Investments
Equity
Investments
Total
Investments
Fair value, beginning of period$5,219,183 $297,330 $5,516,513 
Net change in unrealized appreciation (depreciation) on investments(8,002)(1,302)(9,304)
Net translation of investments in foreign currencies19,491 7 19,498 
Realized gain (loss) on investments58 851 909 
Realized gain (loss) on translation of investments in foreign currencies1 — 1 
Funding of (proceeds from) revolving loans, net235 — 235 
Fundings of investments70,461 2,781 73,242 
PIK interest and non-cash dividends13,715 4,251 17,966 
Proceeds from principal payments and sales of portfolio investments(176,449)(2,962)(179,411)
Accretion of discounts and amortization of premiums3,673 — 3,673 
Fair value, end of period$5,142,366 $300,956 $5,443,322 
Fair Value Measurement Inputs and Valuation Techniques
The following tables present quantitative information about the significant unobservable inputs of the Company’s Level 3 investments as of December 31, 2024 and September 30, 2024.
Quantitative Information about Level 3 Fair Value Measurements
Fair value as of December 31, 2024Valuation TechniquesUnobservable Input
Range (Weighted Average) (1)
Assets:        
Senior secured loans(2)
$476,601 Yield analysisMarket interest rate
6.5% - 14.0% (9.5%)
    Market comparable companiesEBITDA multiples
2.6x - 20.0x (13.1x)
One stop loans(3)(4)
$7,490,751 Yield analysisMarket interest rate
3.8% - 20.0% (9.6%)
  Market comparable companiesEBITDA multiples
3.3x - 55.2x (16.3x)
      Revenue multiples
1.4x - 18.0x (8.2x)
52,572 Broker/dealer bids or quotesBroker/dealer bids or quotesN/A
Subordinated debt and second lien loans(5)(6)
$56,332 Yield analysisMarket interest rate
8.8% - 17.5% (12.1%)
    Market comparable companiesEBITDA multiples
4.5x - 24.0x (15.4x)
      Revenue multiples
6.5x
Equity(7)
$608,873 Market comparable companiesEBITDA multiples
4.5x - 55.2x (18.2x)
      Revenue multiples
1.1x - 18.0x (8.2x)
(1)Unobservable inputs were weighted by the relative fair value of the instruments.
(2)$2,916 of loans at fair value were valued using the market comparable companies approach only.
(3)$95,694 of loans at fair value were valued using the market comparable companies approach only.
(4)The Company valued $6,386,539 and $1,104,212 of one stop loans using EBITDA and revenue multiples, respectively. All one stop loans were also valued using the market rate approach.
(5)$5,685 of loans at fair value were valued using the market comparable companies approach only.
(6)The Company valued $56,286 and $46 of subordinated debt and second lien loans using EBITDA and revenue multiples, respectively.
(7)The Company valued $531,141 and $77,732 of equity investments using EBITDA and revenue multiples, respectively.
Quantitative Information about Level 3 Fair Value Measurements
Fair value as of September 30, 2024Valuation TechniquesUnobservable Input
Range
(Weighted Average)(1)
Assets:        
Senior secured loans(2)
$502,386 Yield analysisMarket interest rate
6.5% - 20.3% (10.5%)
    Market comparable companiesEBITDA multiples
1.5x - 24.0x (12.3x)
One stop loans(3)(4)
$7,057,577 Yield analysisMarket interest rate
4.3% - 21.0% (9.9%)
  Market comparable companiesEBITDA multiples
2.8x - 53.2x (16.0x)
      Revenue multiples
1.0x - 18.0x (7.9x)
52,681 Broker/dealer bids or quotesBroker/dealer bids or quotesN/A
Subordinated debt and second lien loans(5)
$44,229 Yield analysisMarket interest rate
10.0% - 15.5% (13.3%)
    Market comparable companiesEBITDA multiples
5.5x - 24.0x (16.0x)
Equity(6)
$578,420 Market comparable companiesEBITDA multiples
5.5x - 53.2x (18.2x)
      Revenue multiples
1.2x - 18.0x (8.1x)
(1)Unobservable inputs were weighted by the relative fair value of the instruments.
(2)$2,807 of loans at fair value were valued using the market comparable companies approach only.
(3)$64,786 of loans at fair value were valued using the market comparable companies approach only.
(4)The Company valued $6,036,312 and $1,021,265 of one stop loans using EBITDA and revenue multiples, respectively. All one stop loans were also valued using the market rate approach.
(5)$435 of loans at fair value were valued using the market comparable companies approach only.
(6)The Company valued $505,597 and $72,823 of equity investments using EBITDA and revenue multiples, respectively.
Schedule of Carrying Values and Estimated Fair Values of Debt Instruments
The following are the carrying values and fair values of the Company’s debt as of December 31, 2024 and September 30, 2024.
As of December 31, 2024As of September 30, 2024
  Carrying ValueFair ValueCarrying ValueFair Value
Debt$4,919,258 $4,901,113 $4,624,791 $4,591,161