v3.26.3
FAIR VALUE MEASUREMENTS - Schedule of Investment Portfolio by Level (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Mar. 31, 2026
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value $ 2,410,129 [1],[2],[3],[4],[5] $ 2,097,446 [6],[7],[8],[9],[10]
Total Investments at Fair Value 2,410,129 2,097,446
Total    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value 2,373,763  
Derivative liabilities 4,252  
Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value 0  
Total Investments at Fair Value 0 0
Derivative liabilities 0  
Significant Other Observable Inputs (Level 2)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value 0  
Total Investments at Fair Value 0 0
Derivative liabilities 4,252  
Significant Unobservable Inputs (Level 3)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value 2,373,763 2,097,446
Total Investments at Fair Value 2,373,763 2,097,446
Derivative liabilities 0  
First lien loans | Total    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value 2,155,196 1,890,406
First lien loans | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value 0 0
First lien loans | Significant Other Observable Inputs (Level 2)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value 0 0
First lien loans | Significant Unobservable Inputs (Level 3)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value 2,155,196 1,890,406
Second lien loans | Total    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value 25,098 24,931
Second lien loans | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value 0 0
Second lien loans | Significant Other Observable Inputs (Level 2)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value 0 0
Second lien loans | Significant Unobservable Inputs (Level 3)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value 25,098 24,931
Subordinated debt | Total    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value 1,214 1,157
Subordinated debt | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value 0 0
Subordinated debt | Significant Other Observable Inputs (Level 2)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value 0 0
Subordinated debt | Significant Unobservable Inputs (Level 3)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value 1,214 1,157
Preferred equity | Total    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value 83,488 74,638
Preferred equity | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value 0 0
Preferred equity | Significant Other Observable Inputs (Level 2)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value 0 0
Preferred equity | Significant Unobservable Inputs (Level 3)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value 83,488 74,638
Common equity & warrants | Total    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value 106,876 102,276
Common equity & warrants | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value 0 0
Common equity & warrants | Significant Other Observable Inputs (Level 2)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value 0 0
Common equity & warrants | Significant Unobservable Inputs (Level 3)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value 106,876 102,276
Earnout | Total    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value 1,891 4,038
Earnout | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value 0 0
Earnout | Significant Other Observable Inputs (Level 2)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value 0 0
Earnout | Significant Unobservable Inputs (Level 3)    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value 1,891 $ 4,038
Investments measured at net asset value | Total    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Investment owned, fair value $ 36,366  
[1] All debt investments are income-producing, unless otherwise noted. Equity investments are non-income producing, unless otherwise noted.
[2] Non-Control/Non-Affiliate investments are generally defined by the 1940 Act as investments that are neither control investments nor affiliate investments. Investments are classified as non-control/non-affiliate investments, unless otherwise noted. At September 30, 2026, the Company held $1,951.3 million of non-control/non-affiliate investments (at fair value), which represented approximately 81.0% of the Company’s total investments. The fair value of these investments as a percent of net assets is 176.3%.
[3] The Company's investment portfolio is comprised entirely of debt and equity securities, along with other financial instruments, of privately held companies for which quoted prices falling within the categories of Level 1 and Level 2 inputs are not readily available. Therefore, the Company values all of its portfolio investments at fair value, as determined in good faith by the valuation committee comprised of certain officers of the Company (the "Valuation Committee") as the valuation designee of the Board of Directors (the "Valuation Designee") pursuant to Rule 2a-5 under the Investment Company Act of 1940, as amended (the “1940 Act”), using significant unobservable Level 3 inputs. Refer to Note 4 - Fair Value Measurements for further discussion.
[4] Equity ownership may be held in shares or units of a company that is either wholly owned by the portfolio company or under common control by the same parent company to the portfolio company.
[5] Unless otherwise noted, all portfolio company headquarters are based in the United States.
[6] Non-Control/Non-Affiliate investments are generally defined by the 1940 Act as investments that are neither control investments nor affiliate investments. Investments are classified as non-control/non-affiliate investments, unless otherwise noted. At March 31, 2026, the Company held $1,682.4 million of non-control/non-affiliate investments, which represented approximately 80.2% of the Company’s investment assets. The fair value of these investments as a percent of net assets is 166.5%.
[7] The Company's investment portfolio is comprised entirely of debt and equity securities, along with other financial instruments, of privately held companies for which quoted prices falling within the categories of Level 1 and Level 2 inputs are not readily available. Therefore, the Company values all of its portfolio investments at fair value, as determined in good faith by the valuation committee comprised of certain officers of the Company (the "Valuation Committee") as the valuation designee of the Board of Directors (the "Valuation Designee") pursuant to Rule 2a-5 under the Investment Company Act of 1940, as amended (the “1940 Act”), using significant unobservable Level 3 inputs. Refer to Note 4 - Fair Value Measurements for further discussion.
[8] Equity ownership may be held in shares or units of a company that is either wholly owned by the portfolio company or under common control by the same parent company to the portfolio company.
[9] Unless otherwise noted, all portfolio company headquarters are based in the United States.
[10] All debt investments are income-producing, unless otherwise noted. Equity investments are non-income producing, unless otherwise noted.