Bitcoin ETF Outflows Hit $449M Over Three Days, Led by ARK 21Shares

What happened: U.S. spot Bitcoin ETFs experienced $449 million in net outflows over three consecutive days ending September 10, 2026, with Thursday alone seeing $282.6 million withdrawn—the largest single-day outflow since July. ARK 21Shares (ARKB) accounted for $164 million of Thursday's redemptions, while Grayscale (GBTC) and Fidelity (FBTC) saw $36 million and $33.6 million outflows, respectively. Ether and Solana spot ETFs also posted net outflows, though at much smaller scales.

Why it matters: The reversal follows a robust three-week inflow streak totaling $3.8 billion, suggesting a pause in institutional accumulation rather than outright panic. Year-to-date net inflows remain positive at around $55.17 billion, and total spot BTC ETF assets under management stand at $97.5 billion. The absence of a clear catalyst for the outflows points to shifting risk appetites or portfolio rebalancing among large holders, rather than a fundamental change in market sentiment.

Source: Cointelegraph