US spot Bitcoin ETFs see $175M inflows, Ethereum ETFs gain $27M

US spot Bitcoin ETFs pulled in $175 million in net inflows on September 4, while their Ethereum counterparts added $26.46 million. Breaking down the September 4 numbers The $175 million flowing into spot Bitcoin ETFs on September 4 represents a solid if unspectacular day for the product category. For context, these funds saw approximately $731 million in net inflows just one day earlier on September 3, which marked the largest single-day haul since January 14, 2026. BlackRock’s IBIT has consistently dominated the flow picture. On September 3, the fund alone attracted roughly $454 million, accounting for about 62% of total Bitcoin ETF inflows that day. On the Ethereum side, the $26.46 million in inflows on September 4 came after a much stronger showing on September 3, when Ethereum ETFs collectively gathered around $141 million. BlackRock’s ETHA led that earlier session with $72.07 million, followed by Fidelity’s FETH at $65.11 million. Grayscale’s ETHE recorded a modest $6.07 million outflow on September 3. Combined, Bitcoin and Ethereum ETFs attracted over $200 million on September 4, adding to the roughly $872 million they pulled in the day before. The bigger picture on cumulativ...