BlackRock’s IBIT Draws $665 Million as Bitcoin ETFs Gain

BlackRock’s iShares Bitcoin Trust attracted $665.16 million on Oct. 19, helping U.S. spot Bitcoin exchange-traded funds record a $526.6 million net inflow despite withdrawals from Fidelity and Grayscale funds. The IBIT inflow was its largest single-day gain since Oct. 7, 2025, according to SoSoValue data. Farside Investors calculated the total net inflow across U.S. spot Bitcoin ETFs at $526.7 million, a rounded equivalent of the SoSoValue figure. The result reversed an $82.39 million net outflow for the group on Oct. 16. IBIT was the only one of the 12 funds to attract money that day, according to SoSoValue. Withdrawals from Fidelity’s Wise Origin Bitcoin Fund, known as FBTC, and Grayscale Bitcoin Trust, or GBTC, offset part of IBIT’s gain. SoSoValue reported $83.63 million in outflows from FBTC and $54.93 million from GBTC, a combined $138.56 million. The figures show why the group’s net gain was below the amount received by IBIT alone. The positive day did not erase the funds’ October losses. Farside’s figures put U.S. spot Bitcoin ETFs about $88 million in net outflows for the month through Oct. 19. The inflow also came after two successive weeks of net withdrawals, with...