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09/05/2026

Bitcoin ETFs Post $3.8B Inflows in Strongest Three-Week Run of 2026

What happened: U.

Bitcoin ETFs Post $3.8B Inflows in Strongest Three-Week Run of 2026

What happened: U.S. spot Bitcoin ETFs attracted $3.8 billion in net inflows over the past three weeks, the strongest stretch so far in 2026. The week ending September 5 saw $986.9 million in inflows, with September 3 marking the largest single-day inflow since January—$730.9 million, led by BlackRock's IBIT ($454 million). IBIT now boasts cumulative inflows exceeding $64 billion, while total spot BTC ETF assets under management reached $101.3 billion. Despite the surge, year-to-date net flows for BTC ETFs remain slightly negative at around -$1 billion, as capital rotates from altcoin ETFs (Ether and XRP) back into Bitcoin.

Why it matters: The renewed inflows suggest institutional appetite for Bitcoin exposure is rebounding, even as overall ETF flows for the year remain subdued. The capital rotation out of altcoin ETFs and into Bitcoin underscores BTC's status as the primary institutional gateway to crypto. However, the data also reveal that the current rally is a recovery from earlier outflows, not a new all-time high for net inflows.

Source: Cointelegraph, The Block