v3.26.1
Schedules of Investment (unaudited) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Schedule of Investments [Line Items]    
Investments in securities at cost $ 10,388,215 $ 11,375,981
Investment in bitcoin, at fair value 12,818,199 17,639,927
Bitcoin [Member] | Global [Member]    
Schedule of Investments [Line Items]    
Investments in securities at cost 10,388,215 [1] 11,375,981 [2]
Investment in bitcoin, at fair value $ 12,818,199 [1] $ 17,639,927 [2]
Percentage of Net Assets 100.02% [1] 100.02% [2]
Total Net Assets    
Schedule of Investments [Line Items]    
Investment in bitcoin, at fair value $ 12,815,550 [1] $ 17,636,254 [2]
Percentage of Net Assets 100.00% [1] 100.00% [2]
Investment, Identifier [Axis]: Investment in bitcoin, Global Bitcoin    
Schedule of Investments [Line Items]    
Quantity of Bitcoin 188,144 [1] 201,684 [2]
Investments in securities at cost $ 10,388,215 [1] $ 11,375,981 [2]
Investment in bitcoin, at fair value 12,818,199 [1] 17,639,927 [2]
Investment, Identifier [Axis]: Investment in bitcoin, Global Other Assets Less Liabilities    
Schedule of Investments [Line Items]    
Investment in bitcoin, at fair value [1] $ (2,649)  
Percentage of Net Assets [1] (0.02%)  
Other Assets Less Liabilities [2]   $ (3,673)
Other Assets Less Liabilities, percentage of net assets [2]   (0.02%)
[1] Non-income producing investment.
[2] Non-income producing investment.