US spot Bitcoin ETFs record $3.8 billion in net inflows over three weeks, strongest 2026 streak

U.S. spot Bitcoin ETFs recorded their strongest three-week stretch of 2026, drawing $3.8 billion in net inflows as Bitcoin's price rallied past $81,000. Despite a weekly haul of $986.9 million ending September 5, year-to-date net flows remain negative at $1 billion. BlackRock's IBIT dominated recent daily inflows, while demand for Ethereum and XRP ETFs cooled sharply, dropping 74% and 83% respectively.

US spot Bitcoin ETF inflows

• ▪Year-to-date net flows for U.S. spot Bitcoin ETFs remained approximately negative $1 billion as of September 5, 2026, despite the recent three-week inflow streak.
• ▪U.S. spot Bitcoin ETFs recorded $986.9 million in net inflows for the week ending September 5, 2026.
• ▪U.S. spot Bitcoin ETFs recorded $174.6 million in net inflows on Friday, September 4, 2026, representing a sharp decline from the $731 million recorded on Thursday, September 3, 2026.
• ▪U.S. spot Bitcoin ETFs recorded $3.8 billion in net inflows over a three-week period ending September 5, 2026, marking their strongest inflow streak of the year.
• ▪U.S. spot Bitcoin ETFs held $101.3 billion in total assets under management as of September 5, 2026, with cumulative net inflows since their January 2024 launch reaching $55.6 billion.

Strategy Bitcoin trading activity

• ▪MicroStrategy, referred to as Strategy, purchased 4,603 Bitcoin for $369.7 million at an average price of $80,318 on August 31, 2026, marking its first purchase since June 2026.
• ▪MicroStrategy sold 6,948 Bitcoin for approximately $432.5 million at an average price of $62,250 per coin between May and August 2026 to fund preferred dividends and share buybacks.

Bitcoin price movement

• ▪Bitcoin's price rose 4.6% week-to-date to trade at $81,151.10 on September 4, 2026, after hitting an overnight high of $82,272.31, its highest level since May 11, 2026.
• ▪Bitcoin briefly dipped below $79,000 on September 4, 2026, before recovering to trade around $79,700, representing a 2.6% gain over the preceding seven days.

BlackRock iShares Bitcoin Trust

• ▪Fidelity’s Wise Origin Bitcoin Fund recorded $57.2 million in net inflows on September 4, 2026, while all other U.S. spot Bitcoin ETFs recorded no net flows.
• ▪BlackRock’s iShares Bitcoin Trust attracted $117.4 million in net inflows on September 4, 2026, accounting for approximately 67% of the day's total inflows for U.S. spot Bitcoin ETFs.

Ethereum ETF flows

• ▪U.S. spot Ether ETF weekly net inflows fell 74% week-over-week to $218.4 million for the week ending September 5, 2026, down from $824.4 million the prior week.
• ▪U.S. spot Ether ETFs maintained positive year-to-date net inflows of approximately $863 million as of September 5, 2026.

XRP ETF flows

• ▪U.S. spot Ether ETF weekly net inflows fell 74% week-over-week to $218.4 million for the week ending September 5, 2026, down from $824.4 million the prior week.
• ▪U.S. spot Ether ETFs maintained positive year-to-date net inflows of approximately $863 million as of September 5, 2026.

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