v3.26.1
Statements of Operations (unaudited) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Investment Income:    
Investment income $ 0 $ 0
Expenses:    
Sponsor fee 8,703 11,471
Net Investment Income (Loss) (8,703) (11,471)
Net Realized and Change in Unrealized Gain (Loss) from:    
Net realized gain (loss) on investment in bitcoin sold for redemptions (100,510) (238,269)
Net realized gain (loss) on investment in bitcoin distributed for redemptions 205,198 0
Net realized gain (loss) on investment in bitcoin transferred to pay the Sponsor fee 85 (1,292)
Net change in unrealized appreciation (depreciation) on investment in bitcoin (3,833,962) (1,989,265)
Net Realized and Change in Unrealized Gain (Loss) on Investment in Bitcoin (3,729,189) (2,228,826)
Net Increase (Decrease) in Net Assets Resulting from Operations (3,737,892) (2,240,297)
Bitcoin [Member]    
Net Realized and Change in Unrealized Gain (Loss) from:    
Net realized gain (loss) on investment in bitcoin sold for redemptions $ 205,198 $ 0