v3.26.1
Significant Accounting Policies - Changes in Quantity of Bitcoin and Fair Value (Details)
12 Months Ended
Dec. 31, 2025
USD ($)
Bitcoin
Dec. 31, 2024
USD ($)
Bitcoin
Significant Accounting Policies [Abstract]    
Beginning balance (in Bitcoin) | Bitcoin 13,716.83 0 [1]
Beginning balance, fair value $ 1,280,450,332 $ 0 [1]
Ending balance (in Bitcoin) | Bitcoin 15,809.7 13,716.83
Ending balance, fair value $ 1,382,273,990 $ 1,280,450,332
Bitcoin purchased (in Bitcoin) | Bitcoin 7,247.29 17,847.12
Bitcoin purchased, fair value $ 776,285,158 $ 1,145,131,271
Bitcoin sold (in Bitcoin) | Bitcoin (5,154.42) (4,130.29)
Bitcoin sold, fair value $ (480,458,288) $ (283,712,958)
Net change in unrealized appreciation (depreciation) from investment in bitcoin, fair value (278,761,960) 384,606,755
Net realized gain on investment in bitcoin, fair value $ 84,758,748 $ 34,425,264
[1] The Trust did not hold any bitcoin as of January 1, 2024.