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Statements of Operations - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Investment income    
Investment income $ 0 $ 0
Expenses    
Sponsor Fee 8,132 4,577
Total Expenses 8,132 4,577
Less Waivers and Reimbursement 0 (906)
Net Expenses 8,132 3,671
Net investment loss (8,132) (3,671)
Net realized and unrealized gain (loss)    
Net realized gain (loss) on investment in bitcoin transferred to pay Sponsor Fee 5,019 1,288
Net realized gain (loss) on investment in bitcoin sold for redemptions (42,062) (50,869)
Change in unrealized appreciation (depreciation) on investment in bitcoin (299,207) 1,639,849
Net realized and unrealized gain (loss) (336,250) 1,590,268
Net increase (decrease) in net assets resulting from operations $ (344,382) $ 1,586,597
Year of inception   January 10, 2024