Quarterly report [Sections 13 or 15(d)]

CONSOLIDATED SCHEDULE OF INVESTMENTS

v3.25.4
CONSOLIDATED SCHEDULE OF INVESTMENTS - USD ($)
$ in Thousands
Dec. 31, 2025
Sep. 30, 2025
Schedule of Investments [Line Items]    
Cost $ 926,040 $ 876,614 [1]
Fair Value 902,912 859,124 [1]
Cash equivalents 1,253 31,774
Cash equivalents, fair value 1,253 31,774
Total investments and cash equivalents, cost 927,293 908,388
Total investments and cash equivalents, fair value 904,165 890,898
Beverage, Food, and Tobacco    
Schedule of Investments [Line Items]    
Fair Value 77,921 54,605
Diversified/Conglomerate Manufacturing    
Schedule of Investments [Line Items]    
Fair Value 203,153 202,466
Diversified/Conglomerate Service    
Schedule of Investments [Line Items]    
Fair Value 146,845 152,042
Healthcare, Education, and Childcare    
Schedule of Investments [Line Items]    
Fair Value 288,403 273,262
Home and Office Furnishings, Housewares and Durable Consumer Products    
Schedule of Investments [Line Items]    
Fair Value 29,928 30,000
Machinery    
Schedule of Investments [Line Items]    
Fair Value 26,467 26,381
Automobile    
Schedule of Investments [Line Items]    
Fair Value 9,264 27,361
Secured first lien debt    
Schedule of Investments [Line Items]    
Cost 671,528 646,131
Fair Value 647,576 622,371
Secured second lien debt    
Schedule of Investments [Line Items]    
Cost 169,463 149,937
Fair Value 170,662 150,542
Unsecured debt    
Schedule of Investments [Line Items]    
Cost 568 555
Fair Value 346 333
Preferred Equity    
Schedule of Investments [Line Items]    
Cost 42,369 37,429
Fair Value 36,761 31,214
Common Equity/ Equivalents    
Schedule of Investments [Line Items]    
Cost 42,112 42,562
Fair Value 47,567 54,664
Non-Control/Non-Affiliate investments    
Schedule of Investments [Line Items]    
Cost 732,659 [2] 685,195 [3]
Fair Value 743,413 [2] 696,317 [3]
Non-Control/Non-Affiliate investments | Secured first lien debt    
Schedule of Investments [Line Items]    
Cost 544,497 [2] 521,049 [3]
Fair Value 540,903 [2] 517,762 [3]
Non-Control/Non-Affiliate investments | Secured first lien debt | Beverage, Food, and Tobacco    
Schedule of Investments [Line Items]    
Cost 34,388 [2] 10,500 [3]
Fair Value 34,493 [2] 10,710 [3]
Non-Control/Non-Affiliate investments | Secured first lien debt | Buildings and Real Estate    
Schedule of Investments [Line Items]    
Cost 2,355 [2] 2,355 [3]
Fair Value 2,355 [2] 2,355 [3]
Non-Control/Non-Affiliate investments | Secured first lien debt | Diversified/Conglomerate Manufacturing    
Schedule of Investments [Line Items]    
Cost 120,637 [2] 119,505 [3]
Fair Value 120,929 [2] 119,937 [3]
Non-Control/Non-Affiliate investments | Secured first lien debt | Diversified/Conglomerate Service    
Schedule of Investments [Line Items]    
Cost [2] 109,334  
Fair Value [2] 109,560  
Non-Control/Non-Affiliate investments | Secured first lien debt | Healthcare, Education, and Childcare    
Schedule of Investments [Line Items]    
Cost 222,100 [2] 208,085 [3]
Fair Value 222,247 [2] 208,749 [3]
Non-Control/Non-Affiliate investments | Secured first lien debt | Home and Office Furnishings, Housewares and Durable Consumer Products    
Schedule of Investments [Line Items]    
Cost 30,000 [2] 30,000 [3]
Fair Value 29,928 [2] 30,000 [3]
Non-Control/Non-Affiliate investments | Secured first lien debt | Machinery    
Schedule of Investments [Line Items]    
Cost 17,700 [2] 17,125 [3]
Fair Value 17,859 [2] 17,285 [3]
Non-Control/Non-Affiliate investments | Secured first lien debt | Telecommunications    
Schedule of Investments [Line Items]    
Cost 7,770 [2] 7,770 [3]
Fair Value 3,532 [2] 3,292 [3]
Non-Control/Non-Affiliate investments | Secured first lien debt | Diversified/Conglomerate Service    
Schedule of Investments [Line Items]    
Cost [3]   125,384
Fair Value [3]   125,434
Non-Control/Non-Affiliate investments | Secured second lien debt    
Schedule of Investments [Line Items]    
Cost 150,671 [2] 131,145 [3]
Fair Value 151,870 [2] 131,750 [3]
Non-Control/Non-Affiliate investments | Secured second lien debt | Diversified/Conglomerate Manufacturing    
Schedule of Investments [Line Items]    
Cost 37,062 [2] 37,316 [3]
Fair Value 37,441 [2] 37,391 [3]
Non-Control/Non-Affiliate investments | Secured second lien debt | Automobile    
Schedule of Investments [Line Items]    
Cost [3]   17,886
Fair Value [3]   18,031
Non-Control/Non-Affiliate investments | Preferred Equity    
Schedule of Investments [Line Items]    
Cost 23,313 [2] 18,373 [3]
Fair Value 22,643 [2] 16,794 [3]
Non-Control/Non-Affiliate investments | Preferred Equity | Beverage, Food, and Tobacco    
Schedule of Investments [Line Items]    
Cost [2] 2,765  
Fair Value [2] 2,896  
Non-Control/Non-Affiliate investments | Preferred Equity | Diversified/Conglomerate Service    
Schedule of Investments [Line Items]    
Cost [2] 5,750  
Fair Value [2] 5,077  
Non-Control/Non-Affiliate investments | Preferred Equity | Healthcare, Education, and Childcare    
Schedule of Investments [Line Items]    
Cost 8,513 [2] 8,513 [3]
Fair Value 8,991 [2] 8,575 [3]
Non-Control/Non-Affiliate investments | Preferred Equity | Diversified/Conglomerate Service    
Schedule of Investments [Line Items]    
Cost [3]   3,500
Fair Value [3]   2,720
Non-Control/Non-Affiliate investments | Common Equity/ Equivalents    
Schedule of Investments [Line Items]    
Cost 13,980 [2] 14,430 [3]
Fair Value 27,981 [2] 29,994 [3]
Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Beverage, Food, and Tobacco    
Schedule of Investments [Line Items]    
Cost 1,150 [2] 1,600 [3]
Fair Value 5,826 [2] 7,906 [3]
Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Diversified/Conglomerate Manufacturing    
Schedule of Investments [Line Items]    
Cost 3,126 [2] 3,126 [3]
Fair Value 2,316 [2] 2,178 [3]
Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Diversified/Conglomerate Service    
Schedule of Investments [Line Items]    
Cost [2] 1,282  
Fair Value [2] 1,909  
Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Healthcare, Education, and Childcare    
Schedule of Investments [Line Items]    
Cost 767 [2] 767 [3]
Fair Value 8,099 [2] 7,349 [3]
Non-Control/Non-Affiliate investments | Common Equity/ Equivalents | Diversified/Conglomerate Service    
Schedule of Investments [Line Items]    
Cost [3]   1,282
Fair Value [3]   1,957
Affiliate investments    
Schedule of Investments [Line Items]    
Cost 57,207 [4] 58,446 [5]
Fair Value 51,791 [4] 53,911 [5]
Affiliate investments | Secured first lien debt    
Schedule of Investments [Line Items]    
Cost 39,101 [4] 40,340 [5]
Fair Value 33,251 [4] 34,713 [5]
Affiliate investments | Secured first lien debt | Diversified/Conglomerate Manufacturing    
Schedule of Investments [Line Items]    
Cost 18,140 [4] 18,140 [5]
Fair Value 12,409 [4] 12,513 [5]
Affiliate investments | Preferred Equity    
Schedule of Investments [Line Items]    
Cost 11,306 [4] 11,306 [5]
Fair Value 8,648 [4] 9,420 [5]
Affiliate investments | Common Equity/ Equivalents    
Schedule of Investments [Line Items]    
Cost 6,800 [4] 6,800 [5]
Fair Value 9,892 [4] 9,778 [5]
Control investments    
Schedule of Investments [Line Items]    
Cost 136,174 [6] 132,973 [7]
Fair Value 107,708 [6] 108,896 [7]
Control investments | Secured first lien debt    
Schedule of Investments [Line Items]    
Cost 87,930 [6] 84,742 [7]
Fair Value 73,422 [6] 69,896 [7]
Control investments | Secured first lien debt | Diversified/Conglomerate Manufacturing    
Schedule of Investments [Line Items]    
Cost 29,780 [6] 28,666 [7]
Fair Value 24,094 [6] 22,845 [7]
Control investments | Secured first lien debt | Healthcare, Education, and Childcare    
Schedule of Investments [Line Items]    
Cost 28,725 [6] 28,401 [7]
Fair Value 25,613 [6] 25,144 [7]
Control investments | Secured first lien debt | Personal and Non-Durable Consumer Products (Manufacturing Only)    
Schedule of Investments [Line Items]    
Cost 14,925 [6] 14,925 [7]
Fair Value 9,215 [6] 9,157 [7]
Control investments | Secured second lien debt    
Schedule of Investments [Line Items]    
Cost 18,792 [6] 18,792 [7]
Fair Value 18,792 [6] 18,792 [7]
Control investments | Secured second lien debt | Diversified/Conglomerate Manufacturing    
Schedule of Investments [Line Items]    
Cost 9,750 [6] 9,750 [7]
Fair Value 2,164 [6] 4,225 [7]
Control investments | Secured second lien debt | Healthcare, Education, and Childcare    
Schedule of Investments [Line Items]    
Cost 2,000 [6] 2,000 [7]
Fair Value 0 [6] 0 [7]
Control investments | Preferred Equity    
Schedule of Investments [Line Items]    
Cost 7,750 [6] 7,750 [7]
Fair Value 5,470 [6] 5,000 [7]
Control investments | Common Equity/ Equivalents    
Schedule of Investments [Line Items]    
Cost 21,332 [6] 21,332 [7]
Fair Value 9,694 [6] 14,892 [7]
Investment, Identifier [Axis]: Ohio Armor Holdings, LLC – Common Equity    
Schedule of Investments [Line Items]    
Cost [8],[9]   1,000
Fair Value [8],[9]   $ 1,184
Shares [8],[9],[10],[11]   100
Investment, Identifier [Axis]: Viron International Corp. – Common Stock    
Schedule of Investments [Line Items]    
Cost [8],[9],[12]   $ 15
Fair Value [8],[9],[12]   $ 0
Shares [8],[9],[10],[11],[12]   447
Investment, Identifier [Axis]: ALS Education, LLC – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal amount 0 [13],[14],[15] $ 0 [10],[11],[16]
Cost 0 [13] 0 [16]
Fair Value 0 [13] 0 [16]
Investment, Identifier [Axis]: ALS Education, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 0 [13],[14],[15] 0 [10],[11],[16]
Cost 0 [13] 0 [16]
Fair Value 0 [13] 0 [16]
Investment, Identifier [Axis]: ALS Education, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 30,360 [13],[14],[15] 30,360 [10],[11],[16]
Cost 30,314 [13] 30,310 [16]
Fair Value 30,279 [13] 30,360 [16]
Investment, Identifier [Axis]: Alsay Incorporated – Preferred Stock    
Schedule of Investments [Line Items]    
Principal amount [14],[15],[17],[18] 5,000  
Cost 5,000 [17],[18] 5,000 [8],[9]
Fair Value 5,470 [17],[18] $ 5,000 [8],[9]
Shares [8],[9],[10],[11]   5,000,000
Investment, Identifier [Axis]: Alsay Incorporated – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 10,000 [14],[15],[18],[19] $ 10,000 [9],[10],[11],[20]
Cost 10,000 [18],[19] 10,000 [9],[20]
Fair Value 10,000 [18],[19] 10,000 [9],[20]
Investment, Identifier [Axis]: Altior Healthcare, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 46,000 [13],[14],[15] 46,000 [10],[11],[16]
Cost 46,000 [13] 46,000 [16]
Fair Value 46,724 [13] 46,920 [16]
Investment, Identifier [Axis]: Arc Drilling Holdings LLC – Common Stock    
Schedule of Investments [Line Items]    
Cost 5,333 [17],[18] 5,333 [8],[9]
Fair Value $ 8,608 [17],[18] $ 9,096 [8],[9]
Shares 53,333 [14],[15],[17],[18] 53,333 [8],[9],[10],[11]
Investment, Identifier [Axis]: Arc Drilling Holdings LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount $ 1,800 [13],[14],[15] $ 1,125 [10],[11],[16]
Cost 1,800 [13] 1,125 [16]
Fair Value 1,800 [13] 1,125 [16]
Investment, Identifier [Axis]: Arc Drilling Holdings LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [10],[11],[16]   16,000
Cost [16]   16,000
Fair Value [16]   16,160
Investment, Identifier [Axis]: Arc Drilling Holdings LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [13],[14],[15] 15,900  
Cost [13] 15,900  
Fair Value [13] 16,059  
Investment, Identifier [Axis]: Axios Industrial Group, LLC – Term Debt 1    
Schedule of Investments [Line Items]    
Principal amount 17,505 [13],[14],[15] 16,771 [10],[11],[16]
Cost 17,505 [13] 16,771 [16]
Fair Value 17,505 [13] 16,197 [16]
Investment, Identifier [Axis]: Axios Industrial Group, LLC – Term Debt 2    
Schedule of Investments [Line Items]    
Principal amount 2,727 [13],[14],[15],[19] 2,598 [10],[11],[16],[20]
Cost 2,727 [13],[19] 2,598 [16],[20]
Fair Value 2,727 [13],[19] 2,509 [16],[20]
Investment, Identifier [Axis]: B+T Group Acquisition, Inc – Preferred Stock    
Schedule of Investments [Line Items]    
Cost [17],[18],[21] 2,024  
Fair Value [17],[18],[21] $ 0  
Shares [14],[15],[17],[18],[21] 6,130  
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Common Stock Warrant    
Schedule of Investments [Line Items]    
Cost $ 0 [17],[18],[21] 0 [8],[9],[12]
Fair Value $ 0 [17],[18],[21] $ 0 [8],[9],[12]
Units 1.50% [14],[15],[17],[18],[21] 1.50% [8],[9],[10],[11],[12]
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Line of Credit 1    
Schedule of Investments [Line Items]    
Principal amount $ 1,320 [14],[15],[18],[21] $ 1,320 [9],[10],[11],[12]
Cost 1,320 [18],[21] 1,320 [9],[12]
Fair Value 600 [18],[21] 559 [9],[12]
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Line of Credit 2    
Schedule of Investments [Line Items]    
Principal amount 450 [14],[15],[18],[21] 450 [9],[10],[11],[12]
Cost 450 [18],[21] 450 [9],[12]
Fair Value 205 [18],[21] 191 [9],[12]
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Cost [8],[9],[12]   2,024
Fair Value [8],[9],[12]   $ 0
Shares [8],[9],[10],[11],[12]   6,130
Investment, Identifier [Axis]: B+T Group Acquisition, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 6,000 [14],[15],[18],[21] $ 6,000 [9],[10],[11],[12]
Cost 6,000 [18],[21] 6,000 [9],[12]
Fair Value 2,727 [18],[21] 2,542 [9],[12]
Investment, Identifier [Axis]: Canopy Safety Brands, LLC – Common Stock    
Schedule of Investments [Line Items]    
Cost 800 [4],[17],[18] 800 [5],[8],[9]
Fair Value $ 3,435 [4],[17],[18] $ 3,703 [5],[8],[9]
Shares 1,170,370 [4],[14],[15],[17],[18] 1,170,370 [5],[8],[9],[10],[11]
Investment, Identifier [Axis]: Canopy Safety Brands, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Cost $ 500 [4],[17],[18] $ 500 [5],[8],[9]
Fair Value $ 926 [4],[17],[18] $ 1,006 [5],[8],[9]
Shares 500,000 [4],[14],[15],[17],[18] 500,000 [5],[8],[9],[10],[11]
Investment, Identifier [Axis]: Defiance Integrated Technologies, Inc. – Common Stock    
Schedule of Investments [Line Items]    
Cost $ 581 [17],[18] $ 581 [8],[9]
Fair Value $ 0 [17],[18] $ 0 [8],[9]
Shares 33,321 [14],[15],[17],[18] 33,321 [8],[9],[10],[11]
Investment, Identifier [Axis]: Defiance Integrated Technologies, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [14],[15],[18] $ 8,792  
Cost [18] 8,792  
Fair Value [18] 8,792  
Investment, Identifier [Axis]: Defiance Integrated Technologies, Inc.—Term Debt    
Schedule of Investments [Line Items]    
Principal amount [9],[10],[11]   $ 8,792
Cost [9]   8,792
Fair Value [9]   8,792
Investment, Identifier [Axis]: Dreyfus Treasury Obligations Cash Management Fund    
Schedule of Investments [Line Items]    
Money market funds, principal [10],[11],[22]   30,523
Cash equivalents [22]   30,523
Cash equivalents, fair value [22]   30,523
Investment, Identifier [Axis]: Dutch Gold Honey, Inc. – Common Stock    
Schedule of Investments [Line Items]    
Cost 900 [17],[18],[21] 900 [8],[9],[12]
Fair Value $ 3,714 [17],[18],[21] $ 3,333 [8],[9],[12]
Shares 900,000 [14],[15],[17],[18],[21] 900,000 [8],[9],[10],[11],[12]
Investment, Identifier [Axis]: Dutch Gold Honey, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount $ 18,000 [13],[14],[15],[21] $ 18,000 [10],[11],[12],[16]
Cost 18,000 [13],[21] 18,000 [12],[16]
Fair Value 18,041 [13],[21] 18,184 [12],[16]
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Cost 5,466 [4],[17],[18],[21] 5,466 [5],[8],[9],[12]
Fair Value $ 0 [4],[17],[18],[21] $ 0 [5],[8],[9],[12]
Shares 5,466 [4],[14],[15],[17],[18],[21] 5,466 [5],[8],[9],[10],[11],[12]
Investment, Identifier [Axis]: Edge Adhesives Holdings, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount $ 6,140 [4],[14],[15],[18],[21],[23] $ 6,140 [5],[9],[10],[11],[12],[24]
Cost 6,140 [4],[18],[21],[23] 6,140 [5],[9],[12],[24]
Fair Value 468 [4],[18],[21],[23] 513 [5],[9],[12],[24]
Investment, Identifier [Axis]: Eegee Acquisition Corp. – Common Stock    
Schedule of Investments [Line Items]    
Cost 8,500 [17],[18] 8,500 [8],[9]
Fair Value $ 2,165 [17],[18] $ 4,858 [8],[9]
Shares 1,000 [14],[15],[17],[18] 1,000 [8],[9],[10],[11]
Investment, Identifier [Axis]: Eegee Acquisition Corp. – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount $ 14,500 [14],[15],[18],[23] $ 12,750 [9],[10],[11]
Cost 14,500 [18],[23] 12,750 [9]
Fair Value 14,500 [18],[23] 12,750 [9]
Investment, Identifier [Axis]: Encore Dredging Holdings, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Cost 3,840 [4],[17],[18] 3,840 [5],[8],[9]
Fair Value $ 5,813 [4],[17],[18] $ 6,914 [5],[8],[9]
Shares 3,840,000 [4],[14],[15],[17],[18] 3,840,000 [5],[8],[9],[10],[11]
Investment, Identifier [Axis]: Engineering Manufacturing Technologies, LLC – Common Stock    
Schedule of Investments [Line Items]    
Cost $ 3,000 [17],[18] $ 3,000 [8],[9]
Fair Value $ 0 [17],[18] $ 0 [8],[9]
Shares 16,000 [14],[15],[17],[18] 16,000 [8],[9],[10],[11]
Investment, Identifier [Axis]: Engineering Manufacturing Technologies, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount $ 1,950 [14],[15],[18] $ 1,100 [9],[10],[11]
Cost 1,950 [18] 1,100 [9]
Fair Value 1,510 [18] 834 [9]
Investment, Identifier [Axis]: Engineering Manufacturing Technologies, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 23,421 [14],[15],[18] 23,163 [9],[10],[11]
Cost 23,421 [18] 23,163 [9]
Fair Value 18,134 [18] 17,561 [9]
Investment, Identifier [Axis]: FES Resources Holdings LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 213 [14],[15],[18],[19] 325 [9],[10],[11],[20]
Cost 213 [18],[19] 325 [9],[20]
Fair Value 0 [18],[19] 0 [9],[20]
Investment, Identifier [Axis]: First Citizens Premium Money Market Savings    
Schedule of Investments [Line Items]    
Money market funds, principal 1,253 [25],[26],[27],[28],[29] 1,251 [10],[11],[22]
Cash equivalents 1,253 [25],[26],[27],[28],[29] 1,251 [22]
Cash equivalents, fair value 1,253 [25],[26],[27],[28],[29] 1,251 [22]
Investment, Identifier [Axis]: Flexible Technology Solutions, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Cost [17],[18] 2,250  
Fair Value [17],[18] $ 2,250  
Shares [14],[15],[17],[18] 22,500  
Investment, Identifier [Axis]: Flexible Technology Solutions, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [13],[14],[15],[19] $ 9,000  
Cost [13],[19] 9,000  
Fair Value [13],[19] 9,000  
Investment, Identifier [Axis]: Foodservices Brand Group, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 0 [13],[14],[15] 0 [10],[11],[16]
Cost 0 [13] 0 [16]
Fair Value 0 [13] 0 [16]
Investment, Identifier [Axis]: Foodservices Brand Group, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 30,000 [13],[14],[15] 30,000 [10],[11],[16]
Cost 30,000 [13] 30,000 [16]
Fair Value 29,928 [13] 30,000 [16]
Investment, Identifier [Axis]: Freedom Dental Management, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 15,000 [13],[14],[15] 15,000 [10],[11],[16]
Cost 15,000 [13] 15,000 [16]
Fair Value 15,150 [13] 15,300 [16]
Investment, Identifier [Axis]: Frontier Financial Group Inc. – Convertible Debt    
Schedule of Investments [Line Items]    
Principal amount 198 [14],[15],[18],[19] 198 [9],[10],[11],[20]
Cost 198 [18],[19] 198 [9],[20]
Fair Value 16 [18],[19] 17 [9],[20]
Investment, Identifier [Axis]: Frontier Financial Group Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Cost 500 [17],[18] 500 [8],[9]
Fair Value $ 0 [17],[18] $ 0 [8],[9]
Shares 766 [14],[15],[17],[18] 766 [8],[9],[10],[11]
Investment, Identifier [Axis]: Frontier Financial Group Inc. – Preferred Stock Warrant    
Schedule of Investments [Line Items]    
Cost [8],[9]   $ 0
Fair Value [8],[9]   $ 0
Shares [8],[9],[10],[11]   168
Investment, Identifier [Axis]: GFRC 360, LLC – Common Stock Warrants    
Schedule of Investments [Line Items]    
Cost $ 0 [17],[18] $ 0 [8],[9]
Fair Value $ 0 [17],[18] $ 0 [8],[9]
Units 45.00% [14],[15],[17],[18] 45.00% [8],[9],[10],[11]
Investment, Identifier [Axis]: GFRC 360, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount $ 1,355 [13],[14],[15] $ 1,355 [10],[11],[16]
Cost 1,355 [13] 1,355 [16]
Fair Value 1,355 [13] 1,355 [16]
Investment, Identifier [Axis]: GFRC 360, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Cost 1,025 [17],[18] 1,025 [8],[9]
Fair Value $ 531 [17],[18] $ 214 [8],[9]
Shares 1,000 [14],[15],[17],[18] 1,000 [8],[9],[10],[11]
Investment, Identifier [Axis]: GFRC 360, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount $ 1,000 [13],[14],[15] $ 1,000 [10],[11],[16]
Cost 1,000 [13] 1,000 [16]
Fair Value 1,000 [13] 1,000 [16]
Investment, Identifier [Axis]: GSM MidCo LLC – Common Stock    
Schedule of Investments [Line Items]    
Cost 767 [17],[18] 767 [8],[9]
Fair Value $ 2,187 [17],[18] $ 1,980 [8],[9]
Shares 767 [14],[15],[17],[18] 767 [8],[9],[10],[11]
Investment, Identifier [Axis]: Giving Home Health Care, LLC – Common Stock    
Schedule of Investments [Line Items]    
Cost $ 0 [17],[18] $ 0 [8],[9]
Fair Value $ 5,912 [17],[18] $ 5,333 [8],[9]
Shares 10,667 [14],[15],[17],[18] 10,667 [8],[9],[10],[11]
Investment, Identifier [Axis]: Giving Home Health Care, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount $ 33,882 [13],[14],[15] $ 34,924 [10],[11],[16]
Cost 33,821 [13] 34,859 [16]
Fair Value 33,843 [13] 35,252 [16]
Investment, Identifier [Axis]: Gladstone Alternative Income Fund – Common Stock    
Schedule of Investments [Line Items]    
Cost 5,000 [4],[17],[30] 5,000 [5],[8],[31]
Fair Value $ 5,075 [4],[17],[30] $ 5,075 [5],[8],[31]
Shares 500,000 [4],[14],[15],[17],[30] 500,000 [5],[8],[10],[11],[31]
Investment, Identifier [Axis]: HH-Inspire Acquisition, Inc. – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount $ 1,871 [13],[14],[15] $ 1,861 [10],[11],[16]
Cost 1,871 [13] 1,861 [16]
Fair Value 1,729 [13] 1,739 [16]
Investment, Identifier [Axis]: HH-Inspire Acquisition, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Cost 2,604 [17],[18] 2,604 [8],[9]
Fair Value $ 2,429 [17],[18] $ 2,290 [8],[9]
Shares 1,681,949 [14],[15],[17],[18] 1,681,949 [8],[9],[10],[11]
Investment, Identifier [Axis]: HH-Inspire Acquisition, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount $ 19,922 [13],[14],[15] $ 19,890 [10],[11],[16]
Cost 19,844 [13] 19,805 [16]
Fair Value 18,417 [13] 18,580 [16]
Investment, Identifier [Axis]: Imperative Holdings Corporation – Preferred Equity Units    
Schedule of Investments [Line Items]    
Cost 488 [17],[18] 488 [8],[9]
Fair Value $ 2,459 [17],[18] $ 2,450 [8],[9]
Shares 972,569 [14],[15],[17],[18] 972,569 [8],[9],[10],[11]
Investment, Identifier [Axis]: Imperative Holdings Corporation – Term Debt    
Schedule of Investments [Line Items]    
Principal amount $ 14,265 [13],[14],[15] $ 15,015 [10],[11],[16]
Cost 14,200 [13] 14,943 [16]
Fair Value 14,265 [13] 15,015 [16]
Investment, Identifier [Axis]: Leadpoint Business Services, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [10],[11],[16],[32]   28,117
Cost [16],[32]   28,117
Fair Value [16],[32]   28,398
Investment, Identifier [Axis]: Leeds Novamark Capital I, L.P. – Limited Partnership Interest    
Schedule of Investments [Line Items]    
Cost [8],[31],[33]   0
Fair Value [8],[31],[33]   $ 36
Units [8],[10],[11],[31],[33]   3.50%
Investment, Identifier [Axis]: Lonestar EMS, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 4,450 [14],[15],[18],[19] $ 4,450 [9],[10],[11],[20]
Cost 4,409 [18],[19] 4,403 [9],[20]
Fair Value 4,450 [18],[19] 4,450 [9],[20]
Investment, Identifier [Axis]: Lonestar EMS, LLC – Common Units    
Schedule of Investments [Line Items]    
Cost 6,750 [17],[18] 6,750 [8],[9]
Fair Value $ 2,164 [17],[18] $ 4,225 [8],[9]
Units 100.00% [14],[15],[17],[18] 100.00% [8],[9],[10],[11]
Investment, Identifier [Axis]: MASSiv Brands, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [10],[11],[16],[20]   $ 25,313
Cost [16],[20]   25,313
Fair Value [16],[20]   25,313
Investment, Identifier [Axis]: MASSiv Brands, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [13],[14],[15],[19] $ 25,635  
Cost [13],[19] 25,635  
Fair Value [13],[19] 25,628  
Investment, Identifier [Axis]: NeoGraf Solutions LLC – Common Stock    
Schedule of Investments [Line Items]    
Cost 2,000 [17],[18] 2,000 [8],[9]
Fair Value $ 1,192 [17],[18] $ 1,067 [8],[9]
Shares 2,000,000 [14],[15],[17],[18] 2,000,000 [8],[9],[10],[11]
Investment, Identifier [Axis]: NeoGraf Solutions LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount $ 1,000 [13],[14],[15] $ 0 [10],[11],[16]
Cost 1,000 [13] 0 [16]
Fair Value 1,000 [13] 0 [16]
Investment, Identifier [Axis]: NeoGraf Solutions LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 27,398 [13],[14],[15] 27,456 [10],[11],[16]
Cost 27,398 [13] 27,456 [16]
Fair Value 27,398 [13] 27,456 [16]
Investment, Identifier [Axis]: OCI, LLC – Common Units    
Schedule of Investments [Line Items]    
Cost 1,111 [17],[18] 1,111 [8],[9]
Fair Value $ 1,124 [17],[18] $ 1,111 [8],[9]
Shares 555 [14],[15],[17],[18] 555 [8],[9],[10],[11]
Investment, Identifier [Axis]: OCI, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount $ 2,358 [13],[14],[15],[19] $ 32,000 [10],[11],[16]
Cost 2,358 [13],[19] 32,000 [16]
Fair Value 2,469 [13],[19] 32,000 [16]
Investment, Identifier [Axis]: OCI, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [13],[14],[15] 32,000  
Cost [13] 32,000  
Fair Value [13] 32,000  
Investment, Identifier [Axis]: OCI, LLC – Term Debt 1    
Schedule of Investments [Line Items]    
Principal amount [10],[11],[16],[20]   2,316
Cost [16],[20]   2,316
Fair Value [16],[20]   2,436
Investment, Identifier [Axis]: Ohio Armor Holdings, LLC – Common Equity    
Schedule of Investments [Line Items]    
Cost [17],[18] 1,000  
Fair Value [17],[18] $ 1,000  
Shares [14],[15],[17],[18] 100  
Investment, Identifier [Axis]: Pan-Am Dental, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Cost $ 5,909 [17],[18] 5,909 [8],[9]
Fair Value $ 6,562 [17],[18] $ 6,285 [8],[9]
Shares 5,909,091 [14],[15],[17],[18] 5,909,091 [8],[9],[10],[11]
Investment, Identifier [Axis]: Pan-Am Dental, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount $ 23,000 [13],[14],[15],[19] $ 23,000 [10],[11],[16],[20]
Cost 23,000 [13],[19] 23,000 [16],[20]
Fair Value 23,123 [13],[19] 23,129 [16],[20]
Investment, Identifier [Axis]: Quality Environmental Midco, Inc. – Preferred Equity    
Schedule of Investments [Line Items]    
Cost 3,000 [17],[18] 3,000 [8],[9]
Fair Value $ 2,827 [17],[18] $ 2,720 [8],[9]
Shares 3,000,000 [14],[15],[17],[18] 3,000,000 [8],[9],[10],[11]
Investment, Identifier [Axis]: Quality Environmental Midco, Inc. – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount $ 0 [13],[14],[15],[19] $ 0 [10],[11],[16],[20]
Cost 0 [13],[19] 0 [16],[20]
Fair Value 0 [13],[19] 0 [16],[20]
Investment, Identifier [Axis]: Quality Environmental Midco, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 13,033 [13],[14],[15],[19] 13,008 [10],[11],[16],[20]
Cost 13,033 [13],[19] 13,008 [16],[20]
Fair Value 13,163 [13],[19] 13,269 [16],[20]
Investment, Identifier [Axis]: RF Technologies, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 0 [13],[14],[15] 0 [10],[11],[16]
Cost 0 [13] 0 [16]
Fair Value 0 [13] 0 [16]
Investment, Identifier [Axis]: RF Technologies, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 12,600 [13],[14],[15] 12,600 [10],[11],[16]
Cost 12,600 [13] 12,600 [16]
Fair Value 12,674 [13] 12,735 [16]
Investment, Identifier [Axis]: RPM Freight Systems, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 50,000 [13],[14],[15] 20,000 [10],[11],[16]
Cost 49,409 [13] 20,000 [16]
Fair Value 50,000 [13] 20,000 [16]
Investment, Identifier [Axis]: Salt & Straw, LLC – Common Warrant    
Schedule of Investments [Line Items]    
Cost 0 [17],[18] 0 [8],[9]
Fair Value $ 186 [17],[18] $ 186 [8],[9]
Units 0.50% [14],[15],[17],[18] 0.50% [8],[9],[10],[11]
Investment, Identifier [Axis]: Sea Link International IRB, Inc. – Preferred Stock    
Schedule of Investments [Line Items]    
Cost $ 98 [17],[18] $ 98 [8],[9]
Fair Value $ 271 [17],[18] $ 261 [8],[9]
Shares 98,039 [14],[15],[17],[18] 98,039 [8],[9],[10],[11]
Investment, Identifier [Axis]: Sea Link International IRB, Inc. – Term Debt 1    
Schedule of Investments [Line Items]    
Principal amount [10],[11],[16],[20]   $ 13,723
Cost [16],[20]   13,723
Fair Value [16],[20]   13,868
Investment, Identifier [Axis]: Sea Link International IRB, Inc. – Term Debt 2    
Schedule of Investments [Line Items]    
Principal amount [10],[11],[16],[20]   4,163
Cost [16],[20]   4,163
Fair Value [16],[20]   4,163
Investment, Identifier [Axis]: Sea Link International IRB, Inc.– Common Equity Units    
Schedule of Investments [Line Items]    
Cost $ 823 [17],[18] 823 [8],[9]
Fair Value $ 201 [17],[18] $ 277 [8],[9]
Shares 823,333 [14],[15],[17],[18] 823,333 [8],[9],[10],[11]
Investment, Identifier [Axis]: Sicilian Oven Restaurants LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Cost [17],[18] $ 2,690  
Fair Value [17],[18] $ 2,690  
Shares [14],[15],[17],[18] 26,900  
Investment, Identifier [Axis]: Sicilian Oven Restaurants LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [13],[14],[15],[34] $ 23,888  
Cost [13],[34] 23,888  
Fair Value [13],[34] 23,888  
Investment, Identifier [Axis]: Snif-Snax, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Cost 1,500 [4],[17],[18] $ 1,500 [5],[8],[9]
Fair Value $ 1,909 [4],[17],[18] $ 1,500 [5],[8],[9]
Shares 1,500,000 [4],[14],[15],[17],[18] 1,500,000 [5],[8],[9],[10],[11]
Investment, Identifier [Axis]: Snif-Snax, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount $ 20,961 [4],[13],[14],[15],[34] $ 22,200 [5],[10],[11],[16],[35]
Cost 20,961 [4],[13],[34] 22,200 [5],[16],[35]
Fair Value 20,842 [4],[13],[34] 22,200 [5],[16],[35]
Investment, Identifier [Axis]: Sokol & Company Holdings, LLC – Common Stock    
Schedule of Investments [Line Items]    
Cost [8],[9],[32]   450
Fair Value [8],[9],[32]   $ 2,240
Shares [8],[9],[10],[11],[32]   450,000
Investment, Identifier [Axis]: Springfield, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 30,000 [13],[14],[15] $ 30,000 [10],[11],[16]
Cost 29,704 [13] 30,000 [16]
Fair Value 30,000 [13] 30,000 [16]
Investment, Identifier [Axis]: TNCP Intermediate HoldCo, LLC – Common Equity Units    
Schedule of Investments [Line Items]    
Cost 500 [17],[18] 500 [8],[9]
Fair Value $ 5,365 [17],[18] $ 5,809 [8],[9]
Shares 790,000 [14],[15],[17],[18] 790,000 [8],[9],[10],[11]
Investment, Identifier [Axis]: TNCP Intermediate HoldCo, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount $ 0 [14],[15],[18],[19] $ 0 [9],[10],[11],[20]
Cost 0 [18],[19] 0 [9],[20]
Fair Value 0 [18],[19] 0 [9],[20]
Investment, Identifier [Axis]: Technical Resource Management, LLC – Common Stock    
Schedule of Investments [Line Items]    
Cost 2,000 [17],[18] 2,000 [8],[9]
Fair Value $ 0 [17],[18] $ 0 [8],[9]
Shares 2,000,000 [14],[15],[17],[18] 2,000,000 [8],[9],[10],[11]
Investment, Identifier [Axis]: Technical Resource Management, LLC – Common Warrants    
Schedule of Investments [Line Items]    
Cost $ 0 [17],[18] $ 0 [8],[9]
Fair Value $ 0 [17],[18] $ 0 [8],[9]
Shares 4,558,041 [14],[15],[17],[18] 4,558,041 [8],[9],[10],[11]
Investment, Identifier [Axis]: Technical Resource Management, LLC – Line of Credit 1    
Schedule of Investments [Line Items]    
Principal amount $ 3,111 [14],[15],[18] $ 3,076 [9],[10],[11]
Cost 3,111 [18] 3,076 [9]
Fair Value 2,774 [18] 2,723 [9]
Investment, Identifier [Axis]: Technical Resource Management, LLC – Line of Credit 2    
Schedule of Investments [Line Items]    
Principal amount 1,227 [14],[15],[18] 1,214 [9],[10],[11]
Cost 1,227 [18] 1,214 [9]
Fair Value 1,094 [18] 1,074 [9]
Investment, Identifier [Axis]: Technical Resource Management, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 24,387 [14],[15],[18] 24,111 [9],[10],[11]
Cost 24,387 [18] 24,111 [9]
Fair Value 21,745 [18] 21,347 [9]
Investment, Identifier [Axis]: Technical Resource Management, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 370 [14],[15],[18],[19] 357 [9],[10],[11],[20]
Cost 370 [18],[19] 357 [9],[20]
Fair Value 330 [18],[19] 316 [9],[20]
Investment, Identifier [Axis]: Torrent Photonics Holdco LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Cost 2,650 [17],[18] 2,650 [8],[9]
Fair Value $ 2,418 [17],[18] $ 2,377 [8],[9]
Shares 2,650 [14],[15],[17],[18] 2,650 [8],[9],[10],[11]
Investment, Identifier [Axis]: Torrent Photonics Holdco LLC – Term Debt 1    
Schedule of Investments [Line Items]    
Principal amount $ 12,202 [13],[14],[15] $ 11,529 [10],[11],[16]
Cost 12,202 [13] 11,529 [16]
Fair Value 12,324 [13] 11,645 [16]
Investment, Identifier [Axis]: Torrent Photonics Holdco LLC – Term Debt 2    
Schedule of Investments [Line Items]    
Principal amount 500 [13],[14],[15] 500 [10],[11],[16]
Cost 500 [13] 500 [16]
Fair Value 505 [13] 505 [16]
Investment, Identifier [Axis]: Torrent Photonics Holdco LLC – Term Debt 3    
Schedule of Investments [Line Items]    
Principal amount [13],[14],[15],[19] 500  
Cost [13],[19] 500  
Fair Value [13],[19] 500  
Investment, Identifier [Axis]: Total Access Elevator, LLC – Common Stock    
Schedule of Investments [Line Items]    
Cost 750 [17],[18] 750 [8],[9]
Fair Value $ 1,370 [17],[18] $ 1,500 [8],[9]
Shares 750,000 [14],[15],[17],[18] 750,000 [8],[9],[10],[11]
Investment, Identifier [Axis]: Total Access Elevator, LLC – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal amount [10],[11],[16]   $ 1,600
Cost [16]   1,600
Fair Value [16]   1,600
Investment, Identifier [Axis]: Total Access Elevator, LLC – Delayed Draw Term Loan 1    
Schedule of Investments [Line Items]    
Principal amount [13],[14],[15] $ 1,600  
Cost [13] 1,600  
Fair Value [13] 1,600  
Investment, Identifier [Axis]: Total Access Elevator, LLC – Delayed Draw Term Loan 2    
Schedule of Investments [Line Items]    
Principal amount [13],[14],[15] 0  
Cost [13] 0  
Fair Value [13] 0  
Investment, Identifier [Axis]: Total Access Elevator, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 0 [13],[14],[15] 0 [10],[11],[16]
Cost 0 [13] 0 [16]
Fair Value 0 [13] 0 [16]
Investment, Identifier [Axis]: Total Access Elevator, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 17,500 [13],[14],[15] 6,500 [10],[11],[16]
Cost 17,500 [13] 6,500 [16]
Fair Value 17,500 [13] 6,500 [16]
Investment, Identifier [Axis]: Total Safety Holdings, LLC – Common Equity    
Schedule of Investments [Line Items]    
Cost 499 [17],[18] 499 [8],[9]
Fair Value $ 22 [17],[18] $ 47 [8],[9]
Shares 435 [14],[15],[17],[18] 435 [8],[9],[10],[11]
Investment, Identifier [Axis]: Triple H Food Processors, LLC – Common Stock    
Schedule of Investments [Line Items]    
Cost $ 250 [17],[18] $ 250 [8],[9]
Fair Value $ 1,926 [17],[18] $ 2,147 [8],[9]
Shares 250,000 [14],[15],[17],[18] 250,000 [8],[9],[10],[11]
Investment, Identifier [Axis]: Triple H Food Processors, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Cost $ 75 [17],[18] $ 75 [8],[9]
Fair Value $ 206 [17],[18] $ 197 [8],[9]
Shares 75 [14],[15],[17],[18] 75 [8],[9],[10],[11]
Investment, Identifier [Axis]: Tube Bending Technology, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount $ 5,000 [13],[14],[15],[19] $ 5,000 [10],[11],[16],[20]
Cost 5,000 [13],[19] 5,000 [16],[20]
Fair Value 4,972 [13],[19] 4,955 [16],[20]
Investment, Identifier [Axis]: Turn Key Health Clinics, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 0 [13],[14],[15] 0 [10],[11],[16]
Cost 0 [13] 0 [16]
Fair Value 0 [13] 0 [16]
Investment, Identifier [Axis]: Turn Key Health Clinics, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 32,500 [13],[14],[15] 17,500 [10],[11],[16]
Cost 32,500 [13] 17,500 [16]
Fair Value 32,500 [13] 17,500 [16]
Investment, Identifier [Axis]: Unirac Holdings, Inc. – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal amount 1,053 [13],[14],[15] 1,067 [10],[11],[16]
Cost 1,053 [13] 1,067 [16]
Fair Value 1,053 [13] 1,067 [16]
Investment, Identifier [Axis]: Unirac Holdings, Inc. – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 0 [13],[14],[15] 589 [10],[11],[16]
Cost 0 [13] 589 [16]
Fair Value 0 [13] 589 [16]
Investment, Identifier [Axis]: Unirac Holdings, Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 14,138 [13],[14],[15] 14,325 [10],[11],[16]
Cost 13,944 [13] 14,106 [16]
Fair Value 14,138 [13] 14,325 [16]
Investment, Identifier [Axis]: Vet's Choice Radiology LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [13],[14],[15],[21],[36] 42,750  
Cost [13],[21],[36] 42,750  
Fair Value [13],[21],[36] 43,605  
Investment, Identifier [Axis]: Vet's Choice Radiology LLC(S) – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [10],[11],[12],[16]   42,750
Cost [12],[16]   42,750
Fair Value [12],[16]   43,098
Investment, Identifier [Axis]: Viron International Corp. – Common Stock    
Schedule of Investments [Line Items]    
Cost [17],[18],[21] 15  
Fair Value [17],[18],[21] $ 0  
Shares [14],[15],[17],[18],[21] 447  
Investment, Identifier [Axis]: Viron International Corp. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount $ 18,383 [13],[14],[15],[21] 18,383 [10],[11],[16]
Cost 18,383 [13],[21] 18,383 [16]
Fair Value 18,354 [13],[21] 18,475 [16]
Investment, Identifier [Axis]: Viva Railings, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 0 [13],[14],[15] 0 [10],[11],[16]
Cost 0 [13] 0 [16]
Fair Value 0 [13] 0 [16]
Investment, Identifier [Axis]: Viva Railings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 13,657 [13],[14],[15] 13,875 [10],[11],[16]
Cost 13,657 [13] 13,875 [16]
Fair Value 13,657 [13] 13,875 [16]
Investment, Identifier [Axis]: WB Xcel Holdings, LLC - Preferred Stock    
Schedule of Investments [Line Items]    
Cost [17],[18] 2,750  
Fair Value [17],[18] $ 0  
Shares [14],[15],[17],[18] 333  
Investment, Identifier [Axis]: WB Xcel Holdings, LLC – Common Units    
Schedule of Investments [Line Items]    
Cost $ 1 [17],[18] 1 [8],[9]
Fair Value $ 0 [17],[18] $ 0 [8],[9]
Shares 12,340 [14],[15],[17],[18] 12,340 [8],[9],[10],[11]
Investment, Identifier [Axis]: WB Xcel Holdings, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount $ 5,150 [14],[15],[18] $ 5,150 [9],[10],[11]
Cost 5,150 [18] 5,150 [9]
Fair Value 3,180 [18] 3,160 [9]
Investment, Identifier [Axis]: WB Xcel Holdings, LLC – Preferred Stock    
Schedule of Investments [Line Items]    
Cost [8],[9]   2,750
Fair Value [8],[9]   $ 0
Shares [8],[9],[10],[11]   333
Investment, Identifier [Axis]: WB Xcel Holdings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [9],[10],[11]   $ 9,775
Cost [9]   9,775
Fair Value [9]   5,997
Investment, Identifier [Axis]: WB Xcel Holdings, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount [14],[15],[18] 9,775  
Cost [18] 9,775  
Fair Value [18] 6,035  
Investment, Identifier [Axis]: Wings ‘N More Restaurants LLC – Delayed Draw Term Loan    
Schedule of Investments [Line Items]    
Principal amount 0 [13],[14],[15] 0 [10],[11],[16]
Cost 0 [13] 0 [16]
Fair Value 0 [13] 0 [16]
Investment, Identifier [Axis]: Wings ‘N More Restaurants LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount 0 [13],[14],[15] 0 [10],[11],[16]
Cost 0 [13] 0 [16]
Fair Value 0 [13] 0 [16]
Investment, Identifier [Axis]: Wings ‘N More Restaurants LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 10,500 [13],[14],[15] 10,500 [10],[11],[16]
Cost 10,500 [13] 10,500 [16]
Fair Value 10,605 [13] 10,710 [16]
Investment, Identifier [Axis]: WorkforceQA, LLC – Common Stock    
Schedule of Investments [Line Items]    
Cost 532 [17],[18] 532 [8],[9]
Fair Value $ 539 [17],[18] $ 457 [8],[9]
Shares 529 [14],[15],[17],[18] 529 [8],[9],[10],[11]
Investment, Identifier [Axis]: WorkforceQA, LLC – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount $ 1,100 [13],[14],[15] $ 1,100 [10],[11],[16]
Cost 1,100 [13] 1,100 [16]
Fair Value 1,100 [13] 1,100 [16]
Investment, Identifier [Axis]: WorkforceQA, LLC – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 17,663 [13],[14],[15] 17,813 [10],[11],[16]
Cost 17,634 [13] 17,777 [16]
Fair Value 17,663 [13] 17,813 [16]
Investment, Identifier [Axis]: Zero Case Holding Inc. – Common Stock    
Schedule of Investments [Line Items]    
Cost 1,000 [4],[17],[18] 1,000 [5],[8],[9]
Fair Value $ 1,382 [4],[17],[18] $ 1,000 [5],[8],[9]
Shares 1,000 [4],[14],[15],[17],[18] 1,000 [5],[8],[9],[10],[11]
Investment, Identifier [Axis]: Zero Case Holding Inc. – Line of Credit    
Schedule of Investments [Line Items]    
Principal amount $ 0 [4],[14],[15],[18] $ 0 [5],[9],[10],[11]
Cost 0 [4],[18] 0 [5],[9]
Fair Value 0 [4],[18] 0 [5],[9]
Investment, Identifier [Axis]: Zero Case Holding Inc. – Term Debt    
Schedule of Investments [Line Items]    
Principal amount 12,000 [4],[14],[15],[18] 12,000 [5],[9],[10],[11]
Cost 12,000 [4],[18] 12,000 [5],[9]
Fair Value $ 11,941 [4],[18] $ 12,000 [5],[9]
[1] Cumulative gross unrealized depreciation for federal income tax purposes is $59.7 million; cumulative gross unrealized appreciation for federal income tax purposes is $34.1 million. Cumulative net unrealized depreciation is $25.5 million, based on a tax cost of $884.7 million.
[2] Non-Control/Non-Affiliate investments, as defined by the 1940 Act, are those that are neither Control nor Affiliate investments and in which we own less than 5.0% of the issued and outstanding voting securities.
[3] Non-Control/Non-Affiliate investments, as defined by the 1940 Act, are those that are neither Control nor Affiliate investments and in which we own less than 5.0% of the issued and outstanding voting securities.
[4] Affiliate investments, as defined by the 1940 Act, are those in which we own, with the power to vote, between and inclusive of 5.0% and 25.0% of the issued and outstanding voting securities.
[5] Affiliate investments, as defined by the 1940 Act, are those in which we own, with the power to vote, between and inclusive of 5.0% and 25.0% of the issued and outstanding voting securities.
[6] Control investments, as defined by the 1940 Act, are those where we have the power to exercise a controlling influence over the management or policies of the portfolio company, which may include owning, with the power to vote, more than 25.0% of the issued and outstanding voting securities.
[7] Control investments, as defined by the 1940 Act, are those where we have the power to exercise a controlling influence over the management or policies of the portfolio company, which may include owning, with the power to vote, more than 25.0% of the issued and outstanding voting securities
[8] Security is non-income producing.
[9] Fair value was based on the total enterprise value of the portfolio company, which was then allocated to the portfolio company’s securities in order of their relative priority in the capital structure.
[10] Where applicable, aggregates all shares of a class of stock owned without regard to specific series owned within such class (some series of which may or may not be voting shares) or aggregates all warrants to purchase shares of a class of stock owned without regard to specific series of such class of stock such warrants allow us to purchase.
[11] Represents the principal balance for debt investments and the number of shares/units held for equity investments. Warrants are represented as a percentage of ownership, as applicable.
[12] One or more of our affiliated funds, Gladstone Investment Corporation or Gladstone Alternative, co-invested with us in this portfolio company pursuant to an exemptive order granted by the U.S. Securities and Exchange Commission.
[13] Fair value was based on an internal yield analysis or on estimates of value submitted by a third party valuation firm.
[14] Where applicable, aggregates all shares of a class of stock owned without regard to specific series owned within such class (some series of which may or may not be voting shares) or aggregates all warrants to purchase shares of a class of stock owned without regard to specific series of such class of stock such warrants allow us to purchase.
[15] Represents the principal balance for debt investments and the number of shares/units held for equity investments. Warrants are represented as a percentage of ownership, as applicable.
[16] Fair value was based on an internal yield analysis or on estimates of value submitted by a third party valuation firm.
[17] Security is non-income producing.
[18] Fair value was based on the total enterprise value of the portfolio company, which was then allocated to the portfolio company’s securities in order of their relative priority in the capital structure.
[19] Debt security has a fixed interest rate.
[20] Debt security has a fixed interest rate.
[21] One or more of our affiliated funds, Gladstone Investment Corporation or Gladstone Alternative, co-invested with us in this portfolio company pursuant to an exemptive order granted by the U.S. Securities and Exchange Commission.
[22] Valued using Level 1 inputs within the FASB ASC 820 fair value hierarchy. Refer to Note 3—Investments in the accompanying Notes to Consolidated Financial Statements for additional information.
[23] Debt security is on non-accrual status.
[24] Debt security is on non-accrual status.
[25] Category percentages represent the fair value of each category and subcategory as a percentage of net assets as of December 31, 2025.
[26] Certain of the securities listed in this schedule are issued by affiliate(s) of the indicated portfolio company. The majority of the securities listed, totaling $815.7 million at fair value, are pledged as collateral under our revolving line of credit, as described further in Note 5—Borrowings in the accompanying Notes to Consolidated Financial Statements. Under the 1940 Act, we may not acquire any non-qualifying assets unless, at the time such acquisition is made, qualifying assets represent at least 70% of our total assets. As of December 31, 2025, our investment in Gladstone Alternative is considered a non-qualifying asset under Section 55 of the 1940 Act. This non-qualifying asset represents 0.6% of total investments, at fair value, as of December 31, 2025.
[27] Unless indicated otherwise, all of our investments are valued using Level 3 inputs within the ASC 820 fair value hierarchy. Refer to Note 3—Investments in the accompanying Notes to Consolidated Financial Statements for additional information.
[28] Unless indicated otherwise, all cash interest rates are indexed to one-month SOFR, which was 3.69% as of December 31, 2025. If applicable, PIK interest rates are noted separately from the cash interest rate. Certain securities are subject to an interest rate floor. The cash interest rate is the greater of the floor or the reference rate plus a spread. Due dates represent the contractual maturity date.
[29] Valued using Level 1 inputs within the FASB ASC 820 fair value hierarchy. Refer to Note 3—Investments in the accompanying Notes to Consolidated Financial Statements for additional information.
[30] Fair value was based on net asset value provided by the underlying fund as a practical expedient.
[31] Fair value was based on net asset value provided by the fund as a practical expedient.
[32] Investment was exited subsequent to September 30, 2025.
[33] There are certain limitations on our ability to withdraw our partnership interest prior to dissolution of the entity, which must occur no later than May 9, 2024 or two years after all outstanding leverage has matured.
[34] The Company has entered into an agreement that entitles it to the “last out” tranche of the first lien secured loan, whereby the “first out” tranche will receive priority as to the “last out” tranche with respect to payments of principal, interest, and any other amounts due thereunder.
[35] The Company has entered into an agreement that entitles it to the “last out” tranche of the first lien secured loan, whereby the “first out” tranche will receive priority as to the “last out” tranche with respect to payments of principal, interest, and any other amounts due thereunder.
[36] Investment was exited subsequent to December 31, 2025. Refer to Note 12 – Subsequent Events in the accompanying Notes to the Consolidated Financial Statements for additional information.