US Spot Bitcoin ETFs Record $731 Million in Daily Net Inflows

US spot Bitcoin exchange-traded funds posted their highest single-day net intake since January, led by strong flows into BlackRock's IBIT.

5 September 2026 · +7

United States spot Bitcoin exchange-traded funds recorded $730.9 million in net inflows on September 3, 2026, marking the highest single-day volume for the sector since January 14, according to SoSoValue data reported by The Block. This daily figure followed an August total of $3.5 billion in net inflows, which represented the funds' strongest monthly performance since September 2025.

BlackRock's IBIT accounted for the majority of the session's capital, attracting approximately $454 million. Additional contributions included $138 million into the ARK 21Shares Bitcoin ETF (ARKB) and $74 million into Fidelity's FBTC.

The surge in inflows followed dovish remarks from Federal Reserve Governor Christopher Waller, according to the report, signaling renewed institutional demand across spot Bitcoin exchange-traded products entering September.

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