v3.26.3
SCHEDULE OF INVESTMENTS IN AND ADVANCES TO AFFILIATES (Details) - USD ($)
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2026
Jun. 30, 2026
Mar. 31, 2026
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Schedule of Investments [Line Items]                  
Investment Owned At Fair Value     $ 225,511,505       $ 225,511,505    
Realized Gains/(Losses) $ (7,748,545) $ 5,049,520 890,513 $ 5,196,799 $ 21,212,611 $ (17,951) (1,808,512) $ 26,391,459  
Unrealized Gains/(Losses) (9,378,815) $ (398,509) 158,724,039 $ 5,675,109 $ 44,837,619 2,888,878 148,946,715 53,401,606  
Investment Owned At Fair Value 377,196,404           377,196,404   $ 225,511,505
Percentage of Net Assets                 32.70%
Non-controlled/affiliate investments [Member]                  
Schedule of Investments [Line Items]                  
Investment Owned At Fair Value [3]     8,207,367 [1],[2]     9,268,827 [4] 8,207,367 [1],[2] 9,268,827 [4] $ 9,268,827 [4]
Transfer In (Out)             35,567,670 [1],[2]   1,000,000 [3],[4]
Purchases [1],[2]             3,161    
Investments in and Advances to Affiliates, at Fair Value, Gross Reductions [1],[2]             1,994,723    
Realized Gains/(Losses) [1],[2]             1,420,569    
Unrealized Gains/(Losses)             (2,985,277) [1],[2]   (2,061,460) [3],[4]
Investment Owned At Fair Value [1],[2] $ 40,218,767           $ 40,218,767   $ 8,207,367 [3]
Percentage of Net Assets 12.02% [1],[2]           12.02% [1],[2]   4.00% [3],[4]
Sales [1],[2]             $ (1,994,723)    
Non-controlled/affiliate investments [Member] | Preferred Stock [Member]                  
Schedule of Investments [Line Items]                  
Investment Owned At Fair Value [3]     8,207,367 [1],[2]     9,268,827 [4] 8,207,367 [1],[2] 9,268,827 [4] $ 9,268,827 [4]
Transfer In (Out)             20,200,000 [1],[2]   1,000,000 [3],[4]
Purchases [1],[2]             3,161    
Investments in and Advances to Affiliates, at Fair Value, Gross Reductions [1],[2]                
Realized Gains/(Losses) [1],[2]                
Unrealized Gains/(Losses)             (517,139) [1],[2]   (2,061,460) [3],[4]
Investment Owned At Fair Value [1],[2] $ 27,893,389           $ 27,893,389   $ 8,207,367 [3]
Percentage of Net Assets 8.34% [1],[2]           8.34% [1],[2]   4.00% [3],[4]
Sales [1],[2]                
Non-controlled/affiliate investments [Member] | Preferred Stock [Member] | Knowledge Networks [Member]                  
Schedule of Investments [Line Items]                  
Investment Owned At Fair Value [3]     [1],[2]     [4] [1],[2] [4] [4]
Transfer In (Out) [3],[4]                
Unrealized Gains/(Losses)             [1],[2]   [3],[4]
Investment Owned At Fair Value [1],[2]             [3]
Percentage of Net Assets [1],[2]           [1],[2]   [3],[4]
Non-controlled/affiliate investments [Member] | Preferred Stock [Member] | Interactive Learning [Member]                  
Schedule of Investments [Line Items]                  
Investment Owned At Fair Value [3]     7,857,367 [1],[2]     9,268,827 [4] $ 7,857,367 [1],[2] 9,268,827 [4] $ 9,268,827 [4]
Transfer In (Out) [3],[4]                
Unrealized Gains/(Losses)             (370,011) [1],[2]   (1,411,460) [3],[4]
Investment Owned At Fair Value [1],[2] $ 7,487,356           $ 7,487,356   $ 7,857,367 [3]
Percentage of Net Assets 2.24% [1],[2]           2.24% [1],[2]   3.83% [3],[4]
Non-controlled/affiliate investments [Member] | Common Stock [Member]                  
Schedule of Investments [Line Items]                  
Investment Owned At Fair Value [3]     [1],[2]     [4] [1],[2] [4] [4]
Transfer In (Out)             15,367,670 [1],[2]   [3],[4]
Purchases [1],[2]                
Investments in and Advances to Affiliates, at Fair Value, Gross Reductions [1],[2]             1,994,723    
Realized Gains/(Losses) [1],[2]             1,420,569    
Unrealized Gains/(Losses)             (2,468,138) [1],[2]   [3],[4]
Investment Owned At Fair Value [1],[2] $ 12,325,378           $ 12,325,378   [3]
Percentage of Net Assets 3.68% [1],[2]           3.68% [1],[2]   [3],[4]
Sales [1],[2]             $ (1,994,723)    
Controlled investments [Member]                  
Schedule of Investments [Line Items]                  
Investment Owned At Fair Value [4],[5]         1,600,000 1,600,000 $ 1,600,000
Transfer In (Out) [4],[5],[6]                 (1,602,940)
Unrealized Gains/(Losses) [4],[5]                 2,940
Investment Owned At Fair Value [4],[5]                
Percentage of Net Assets [4],[5]                
Controlled investments [Member] | Common Stock [Member]                  
Schedule of Investments [Line Items]                  
Investment Owned At Fair Value [4],[5]         1,101,695 1,101,695 $ 1,101,695
Transfer In (Out) [4],[5]                 (1,103,719)
Unrealized Gains/(Losses) [4],[5]                 2,024
Investment Owned At Fair Value [4],[5]                
Percentage of Net Assets [4],[5]                
Controlled investments [Member] | Options Held [Member]                  
Schedule of Investments [Line Items]                  
Investment Owned At Fair Value [4],[5]         498,305 498,305 $ 498,305
Transfer In (Out) [4],[5],[6]                 (499,221)
Unrealized Gains/(Losses) [4],[5]                 916
Investment Owned At Fair Value [4],[5]                
Percentage of Net Assets [4],[5]                
Magnetar Opportunity 2025-4 LP [Member] | Non-controlled/affiliate investments [Member] | Preferred Stock [Member] | AI Infrastructure Fund [Member]                  
Schedule of Investments [Line Items]                  
Investment Owned At Fair Value [1],[2]              
Transfer In (Out) [1],[2]             20,200,000    
Purchases [1],[2]             3,161    
Investments in and Advances to Affiliates, at Fair Value, Gross Reductions [1],[2]                
Realized Gains/(Losses) [1],[2]                
Unrealized Gains/(Losses) [1],[2]             202,872    
Investment Owned At Fair Value [1],[2] $ 20,406,033           $ 20,406,033  
Percentage of Net Assets [1],[2] 6.10%           6.10%    
Sales [1],[2]                
Magnetar Opportunity 2025-4 LP [Member] | Non-controlled/affiliate investments [Member] | Preferred Stock [Member] | Class A Interest [Member] | AI Infrastructure Fund [Member]                  
Schedule of Investments [Line Items]                  
Investment Owned, Balance, Principal Amount [1],[2],[7],[8] $ 5,000,000           5,000,000    
Investment Owned At Fair Value [1],[2],[7],[8]              
Transfer In (Out) [1],[2],[7],[8]             5,200,000    
Purchases [1],[2],[7],[8]                
Investments in and Advances to Affiliates, at Fair Value, Gross Reductions [1],[2],[7],[8]                
Realized Gains/(Losses) [1],[2],[7],[8]                
Unrealized Gains/(Losses) [1],[2],[7],[8]             112,950    
Investment Owned At Fair Value [1],[2],[7],[8] $ 5,312,950           $ 5,312,950  
Percentage of Net Assets [1],[2],[7],[8] 1.59%           1.59%    
Sales [1],[2],[7],[8]                
Magnetar Opportunity 2025-4 LP [Member] | Non-controlled/affiliate investments [Member] | Preferred Stock [Member] | Class B Interest [Member] | AI Infrastructure Fund [Member]                  
Schedule of Investments [Line Items]                  
Investment Owned, Balance, Principal Amount [1],[2],[7],[8] $ 15,000,000           15,000,000    
Investment Owned At Fair Value [1],[2],[7],[8]              
Transfer In (Out) [1],[2],[7],[8]             15,000,000    
Purchases [1],[2],[7],[8]             3,161    
Investments in and Advances to Affiliates, at Fair Value, Gross Reductions [1],[2],[7],[8]                
Realized Gains/(Losses) [1],[2],[7],[8]                
Unrealized Gains/(Losses) [1],[2],[7],[8]             89,922    
Investment Owned At Fair Value [1],[2],[7],[8] $ 15,093,083           $ 15,093,083  
Percentage of Net Assets [1],[2],[7],[8] 4.51%           4.51%    
Sales [1],[2],[7],[8]                
Commercial Streaming Solutions Inc. (d/b/a BettorView) [Member] | Non-controlled/affiliate investments [Member] | Preferred Stock [Member] | Preferred Shares, Class A-1 [Member] | Interactive Media and Services [Member]                  
Schedule of Investments [Line Items]                  
Investment Owned At Fair Value [3]     350,000 [1],[2]     [4] 350,000 [1],[2] [4] [4]
Transfer In (Out) [3],[4]                 1,000,000
Unrealized Gains/(Losses)             (350,000) [1],[2]   (650,000) [3],[4]
Investment Owned At Fair Value [1],[2]             $ 350,000 [3]
Percentage of Net Assets [1],[2]           [1],[2]   0.17% [3],[4]
Investment Owned, Balance, Shares 10,548,522 [1],[2]           10,548,522 [1],[2]   10,548,522 [3],[4]
Maven Research, Inc. [Member] | Non-controlled/affiliate investments [Member] | Preferred Stock [Member] | Series C Preferred Stock [Member] | Knowledge Networks [Member]                  
Schedule of Investments [Line Items]                  
Investment Owned At Fair Value [3]     [1],[2]     [4] [1],[2] [4] [4]
Transfer In (Out) [3],[4]                
Unrealized Gains/(Losses)             [1],[2]   [3],[4]
Investment Owned At Fair Value [1],[2]             [3]
Percentage of Net Assets [1],[2]           [1],[2]   [3],[4]
Investment Owned, Balance, Shares 318,979 [1],[2]           318,979 [1],[2]   318,979 [3],[4]
Maven Research, Inc. [Member] | Non-controlled/affiliate investments [Member] | Preferred Stock [Member] | Series B Preferred Stock [Member] | Knowledge Networks [Member]                  
Schedule of Investments [Line Items]                  
Investment Owned At Fair Value [3]     [1],[2]     [4] [1],[2] [4] [4]
Transfer In (Out) [3],[4]                
Unrealized Gains/(Losses)             [1],[2]   [3],[4]
Investment Owned At Fair Value [1],[2]             [3]
Percentage of Net Assets [1],[2]           [1],[2]   [3],[4]
Investment Owned, Balance, Shares 49,505 [1],[2]           49,505 [1],[2]   49,505 [3],[4]
StormWind, LLC [Member] | Non-controlled/affiliate investments [Member] | Preferred Stock [Member] | Preferred Shares, Series D 8% [Member] | Interactive Learning [Member]                  
Schedule of Investments [Line Items]                  
Investment Owned At Fair Value [3]     435,806 [1],[2],[9]     501,626 [4],[10] $ 435,806 [1],[2],[9] 501,626 [4],[10] $ 501,626 [4],[10]
Transfer In (Out) [3],[4],[10]                
Unrealized Gains/(Losses)             (11,492) [1],[2],[9]   (65,820) [3],[4],[10]
Investment Owned At Fair Value [1],[2],[9] $ 424,314           $ 424,314   $ 435,806 [3]
Percentage of Net Assets 0.13% [1],[2],[9]           0.13% [1],[2],[9]   0.21% [3],[4],[10]
Investment Owned, Balance, Shares 329,337 [1],[2],[9]           329,337 [1],[2],[9]   329,337 [3],[4],[10]
StormWind, LLC [Member] | Non-controlled/affiliate investments [Member] | Preferred Stock [Member] | Preferred Shares, Series C 8% [Member] | Interactive Learning [Member]                  
Schedule of Investments [Line Items]                  
Investment Owned At Fair Value [3]     4,760,083 [1],[2],[9]     5,376,994 [4],[10] $ 4,760,083 [1],[2],[9] 5,376,994 [4],[10] $ 5,376,994 [4],[10]
Transfer In (Out) [3],[4],[10]                
Unrealized Gains/(Losses)             (178,035) [1],[2],[9]   (616,911) [3],[4],[10]
Investment Owned At Fair Value [1],[2],[9] $ 4,582,048           $ 4,582,048   $ 4,760,083 [3]
Percentage of Net Assets 1.37% [1],[2],[9]           1.37% [1],[2],[9]   2.32% [3],[4],[10]
Investment Owned, Balance, Shares 2,779,134 [1],[2],[9]           2,779,134 [1],[2],[9]   2,779,134 [3],[4],[10]
StormWind, LLC [Member] | Non-controlled/affiliate investments [Member] | Preferred Stock [Member] | Preferred Shares, Series B 8% [Member] | Interactive Learning [Member]                  
Schedule of Investments [Line Items]                  
Investment Owned At Fair Value [3]     2,578,473 [1],[2],[9]     3,233,922 [4],[10] $ 2,578,473 [1],[2],[9] 3,233,922 [4],[10] $ 3,233,922 [4],[10]
Transfer In (Out) [3],[4],[10]                
Unrealized Gains/(Losses)             (170,717) [1],[2],[9]   (655,449) [3],[4],[10]
Investment Owned At Fair Value [1],[2],[9] $ 2,407,756           $ 2,407,756   $ 2,578,473 [3]
Percentage of Net Assets 0.72% [1],[2],[9]           0.72% [1],[2],[9]   1.26% [3],[4],[10]
Investment Owned, Balance, Shares 3,279,629 [1],[2],[9]           3,279,629 [1],[2],[9]   3,279,629 [3],[4],[10]
StormWind, LLC [Member] | Non-controlled/affiliate investments [Member] | Preferred Stock [Member] | Preferred Shares, Series A 8% [Member] | Interactive Learning [Member]                  
Schedule of Investments [Line Items]                  
Investment Owned At Fair Value [3]     83,005 [1],[2],[9]     156,285 [4],[10] $ 83,005 [1],[2],[9] 156,285 [4],[10] $ 156,285 [4],[10]
Transfer In (Out) [3],[4],[10]                
Unrealized Gains/(Losses)             (9,767) [1],[2],[9]   (73,280) [3],[4],[10]
Investment Owned At Fair Value [1],[2],[9] $ 73,238           $ 73,238   $ 83,005 [3]
Percentage of Net Assets 0.02% [1],[2],[9]           0.02% [1],[2],[9]   0.04% [3],[4],[10]
Investment Owned, Balance, Shares 366,666 [1],[2],[9]           366,666 [1],[2],[9]   366,666 [3],[4],[10]
CW Opportunity 2 LP [Member] | Non-controlled/affiliate investments [Member] | Common Stock [Member] | AI Infrastructure Fund [Member]                  
Schedule of Investments [Line Items]                  
Investment Owned At Fair Value [1],[2],[7],[11]              
Transfer In (Out) [1],[2],[7],[11]             15,367,670    
Purchases [1],[2],[7],[11]                
Investments in and Advances to Affiliates, at Fair Value, Gross Reductions [1],[2],[7],[11]             1,994,723    
Realized Gains/(Losses) [1],[2],[7],[11]             1,420,569    
Unrealized Gains/(Losses) [1],[2],[7],[11]             (2,468,138)    
Investment Owned At Fair Value [1],[2],[7],[11] $ 12,325,378           $ 12,325,378  
Percentage of Net Assets [1],[2],[7],[11] 3.68%           3.68%    
Sales [1],[2],[7],[11]             $ (1,994,723)    
CW Opportunity 2 LP [Member] | Non-controlled/affiliate investments [Member] | Common Stock [Member] | Class A Interest [Member] | AI Infrastructure Fund [Member]                  
Schedule of Investments [Line Items]                  
Investment Owned, Balance, Principal Amount [1],[2],[7],[11] $ 7,803,267           7,803,267    
Curious.com, Inc. [Member] | Non-controlled/affiliate investments [Member] | Common Stock [Member] | Online Education [Member]                  
Schedule of Investments [Line Items]                  
Investment Owned At Fair Value [3]     [1],[2]     [4] [1],[2] [4] [4]
Transfer In (Out) [3],[4]                
Unrealized Gains/(Losses)             [1],[2]   [3],[4]
Investment Owned At Fair Value [1],[2]             [3]
Percentage of Net Assets [1],[2]           [1],[2]   [3],[4]
Investment Owned, Balance, Shares 1,135,944 [1],[2]           1,135,944 [1],[2]   1,135,944 [3],[4]
Colombier Sponsor II LLC [Member] | Controlled investments [Member] | Common Stock [Member]                  
Schedule of Investments [Line Items]                  
Investment Owned At Fair Value [4],[5],[6],[12]         1,101,695 1,101,695 $ 1,101,695
Transfer In (Out) [4],[5],[6]                 (1,103,719)
Unrealized Gains/(Losses) [4],[5],[6],[12]                 2,024
Investment Owned At Fair Value [4],[5],[6],[12]                
Percentage of Net Assets [4],[5],[6],[12]                
Investment Owned, Balance, Shares [4],[5],[6],[12]                
Colombier Sponsor II LLC [Member] | Controlled investments [Member] | Options Held [Member]                  
Schedule of Investments [Line Items]                  
Investment Owned At Fair Value [4],[5],[6],[12]         $ 498,305 $ 498,305 $ 498,305
Transfer In (Out) [4],[5],[6]                 (499,221)
Unrealized Gains/(Losses) [4],[5],[6],[12]                 916
Investment Owned At Fair Value [4],[5],[6],[12]                
Percentage of Net Assets [4],[5],[6],[12]                
Investment Owned, Balance, Shares [4],[5],[6],[12]                
[1] All portfolio investments are non-income-producing, unless otherwise identified. Equity investments may be subject to lock-up restrictions upon their IPO. Preferred dividends are generally only payable when declared and paid by the portfolio company’s board of directors. The Company’s directors and officers, and the members and investment professionals of Neostellar Advisors LLC, as applicable, may serve on the board of directors of the Company’s portfolio investments. (Refer to “Note 3—Related-Party Arrangements”). All portfolio investments are considered Level 3 and valued using significant unobservable inputs, unless otherwise noted. (Refer to “Note 4—Investments at Fair Value”). All of the Company’s portfolio investments are restricted as to resale, unless otherwise noted, and were valued at fair value as determined in good faith by the Company’s Board of Directors. (Refer to “Note 2—Significant Accounting Policies—Investments at Fair Value”).
[2] “Affiliate Investments” are investments in those companies that are “Affiliated Companies” of Neostellar Capital, as defined in the 1940 Act. In general, a company is deemed to be an “Affiliate” of Neostellar Capital if Neostellar Capital beneficially owns, directly or indirectly, between 5% and 25% of the voting securities (i.e., securities with the right to elect directors) of such company. “Control Investments” are investments in those companies that are “Controlled Companies” of Neostellar Capital Corp., as defined in the 1940 Act. In general, under the 1940 Act, the Company would “Control” a portfolio company if the Company beneficially owns, directly or indirectly, more than 25% of its outstanding voting securities (i.e., securities with the right to elect directors) and/or had the power to exercise control over the management or policies of such portfolio company.
[3] “Affiliate Investments” are investments in those companies that are “Affiliated Companies” of Neostellar Capital, as defined in the 1940 Act. In general, a company is deemed to be an “Affiliate” of Neostellar Capital if Neostellar Capital beneficially owns, directly or indirectly, between 5% and 25% of the voting securities (i.e., securities with the right to elect directors) of such company.
[4] All portfolio investments are non-income-producing, unless otherwise identified. Equity investments may be subject to lock-up restrictions upon their IPO. Preferred dividends are generally only payable when declared and paid by the portfolio company’s board of directors. The Company’s directors and officers, and the members and investment professionals of Neostellar Advisors LLC, as applicable, may serve on the board of directors of the Company’s portfolio investments. (Refer to “Note 3—Related-Party Arrangements”). All portfolio investments are considered Level 3 and valued using significant unobservable inputs, unless otherwise noted. (Refer to “Note 4—Investments at Fair Value”). All of the Company’s portfolio investments are restricted as to resale, unless otherwise noted, and were valued at fair value as determined in good faith by the Company’s Board of Directors. (Refer to “Note 2—Significant Accounting Policies—Investments at Fair Value”).
[5] “Control Investments” are investments in those companies that are “Controlled Companies” of Neostellar Capital, as defined in the 1940 Act. In general, under the 1940 Act, the Company would “Control” a portfolio company if the Company beneficially owns, directly or indirectly, more than 25% of its outstanding voting securities (i.e., securities with the right to elect directors) and/or had the power to exercise control over the management or policies of such portfolio company.
[6] Indicates assets that Neostellar Capital believes do not represent “qualifying assets” under Section 55(a) of the 1940 Act. Of the Company’s total investments as of December 31, 2025, 32.70% of its total investments are non-qualifying assets, excluding cash and short-term US treasuries.
[7] Indicates assets that Neostellar Capital Corp. believes do not represent “qualifying assets” under Section 55(a) of the Investment Company Act of 1940, as amended (the “1940 Act”). Of the Company’s total investments as of September 30, 2026, 35.25% of its total investments are non-qualifying assets, excluding cash and short-term US treasuries.
[8] Magnetar Opportunity 2025-4 LP is an SPV for which the Class A Interest and Class B Interest are invested in the Series B Preferred Shares of TensorWave Inc. Magnetar Opportunity 2025-4 LP does not charge a management fee but does charge an incentive fee of 20%, subject to an annual 15% IRR hurdle rate. Magnetar Opportunity 2025-4 LP is deemed an “affiliated person” of the Company as of July 15, 2026 because the SPV is managed by an affiliate of Magnetar, which jointly owns and controls the Adviser. Refer to “Note 3—Related-Party Arrangements.”
[9] Neostellar Capital’s investments in StormWind, LLC are held through Neostellar Capital Corp.’s wholly owned subsidiary, GSVC SW Holdings, Inc.
[10] Neostellar Capital’s investments in StormWind, LLC are held through Neostellar Capital Corp.’s wholly owned subsidiary, GSVC SW Holdings, Inc.
[11] CW Opportunity 2 LP is an SPV for which the Class A Interest is solely invested in the Class A Common Shares of CoreWeave, Inc. Neostellar Capital is invested in the Class A Common Shares of CoreWeave, Inc. through its investment in the Class A Interest of CW Opportunity 2 LP. CW Opportunity 2 LP does not charge a management fee but does charge an incentive fee of 20%, subject to an annual 15% IRR hurdle rate. During the quarter ended September 30, 2026, Neostellar Capital received distributions as part of its investment in CW Opportunity 2 LP. The distributions represented approximately 3.8% of the initial investment in CW Opportunity 2 LP. As of September 30, 2026, Neostellar Capital retains approximately 52.1% of its investment in CW Opportunity 2 LP. CW Opportunity 2 LP is deemed an “affiliated person” of the Company as of July 15, 2026 because the SPV is managed by an affiliate of Magnetar, which jointly owns and controls the Adviser. Refer to “Note 3—Related-Party Arrangements.”
[12] Denotes an investment that is the sponsor of a special purpose acquisition company formed for the purpose of effecting a merger, capital stock exchange, asset acquisition, stock purchase, reorganization or similar business combination with one or more businesses.