Bitcoin, Ethereum ETFs Draw $200M in Two-Day Surge

US spot Bitcoin ETFs saw significant inflows on September 4, attracting $175 million in net investments. This follows a massive $731 million influx just one day earlier on September 3, which was the largest single-day haul since January 14, 2026.

The dominant force behind these flows is BlackRock's IBIT fund, which alone pulled in roughly $454 million on September 3, accounting for about 62% of total Bitcoin ETF inflows that day.

Ethereum ETFs also saw growth, adding $26.46 million on September 4 after collecting around $141 million the previous day. BlackRock's ETHA led the way with $72.07 million, followed by Fidelity's FETH at $65.11 million.

Bitcoin and Ethereum ETFs combined attracted over $200 million on September 4, adding to their respective cumulative net inflows since January 2024. Bitcoin ETFs have accumulated approximately $55.44 billion in net inflows with total assets under management of around $103.34 billion, representing roughly 6.3% of Bitcoin's market capitalization.