v3.26.1
Fair Value of Bitcoin - Summary of Changes in Quantity of Bitcoin and the Respective Fair Value (Detail)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
USD ($)
Bitcoin
Mar. 31, 2025
USD ($)
Bitcoin
Fair Value Disclosures [Abstract]    
Investment Owned, Beginning balance | Bitcoin 48,474.93659149 38,012.91129948
Bitcoin contributed | Bitcoin 5,990.84209942 5,034.11266276
Bitcoin redeemed | Bitcoin (2,774.30254636) (2,437.02849985)
Bitcoin distributed for Sponsor's Fee, related party | Bitcoin (18.44427726) (14.96656384)
Net change in unrealized appreciation on investment in Bitcoin | Bitcoin 0 0
Net realized gain on investment in Bitcoin sold to pay expenses | Bitcoin 0 0
Net realized gain on investment in Bitcoin sold for redemption of Shares | Bitcoin 0 0
Investment Owned, Ending balance | Bitcoin 51,673.03186729 40,595.02889855
Investment Owned, Beginning balance | $ $ 4,243,952 $ 3,550,034
Bitcoin contributed | $ 441,297 500,979
Bitcoin redeemed | $ (208,679) (212,091)
Bitcoin distributed for Sponsor's Fee, related party | $ (1,407) (1,398)
Net change in unrealized appreciation/depreciation on investment in Bitcoin | $ (956,060) (524,750)
Net realized (loss) gain on investment in Bitcoin sold to pay expenses | $ (75) 302
Net realized (loss) gain on investment in Bitcoin sold for redemption of Shares | $ (15,323) 33,734
Investment Owned, Ending Balance | $ $ 3,503,705 $ 3,346,810