On September 11, 2026, the iShares Bitcoin Trust (IBIT) managed by BlackRock recorded outflows of $19.23 million. This figure represents the largest single-fund redemption among all US spot Bitcoin ETFs for that session, though it accounts for only 0.03% of the fund's total assets under management.
The broader sector of US spot Bitcoin ETFs saw net outflows of approximately $13 million on the same day. Over the four-day period from September 8 to September 11, total outflows across the category reached roughly $463 million, reflecting institutional portfolio rebalancing and profit-taking strategies.
Despite recent outflows, IBIT maintains a dominant market position with assets under management exceeding $60.6 billion as of mid-September 2026. Since its inception in January 2024, the fund has accumulated approximately $64 billion in cumulative net inflows, consistently outperforming competitors like Fidelity, ARK Invest, and Bitwise.
BlackRock functions as an intermediary for IBIT, with Coinbase Prime acting as the custodian. The fund is contractually obligated to sell underlying Bitcoin when shareholders redeem their positions. Analysts attribute the current market volatility to shifting expectations regarding Federal Reserve monetary policy.
