US Bitcoin ETFs pull in $987M in a week as three-week streak hits $3.8B

US spot Bitcoin ETFs attracted $986.9 million in net inflows for the week ending September 5, capping off a three-week streak that has funneled $3.8 billion into these products. Early 2026 was rough for Bitcoin ETF flows, with year-to-date net figures still sitting at approximately negative $1 billion. Three consecutive weeks of heavy buying haven’t erased that deficit, but they’ve dramatically narrowed it. Thursday was the main event Daily inflows during the week were anything but evenly distributed. Thursday alone accounted for roughly $731 million in net new capital, the largest single-day haul since January 14. Friday cooled off to $174.6 million. BlackRock’s iShares Bitcoin Trust (IBIT) was responsible for $117.4 million of that total, while Fidelity’s Wise Origin Bitcoin Fund (FBTC) contributed $57.2 million. Total assets under management across all US spot Bitcoin ETFs stood at $101.3 billion as of the latest data, after briefly touching $103.3 billion during the week. Since their collective launch in January 2024, these funds have accumulated $55.6 billion in cumulative net inflows. Bitcoin holds steady while altcoin ETFs bleed Bitcoin’s price during the week hovered near $...