Bitcoin and Ethereum Spot ETFs Post $872 Million Combined Inflows Sept. 3
Ethereum ETFs added $141.4 million while Bitcoin products took $730.8 million on Sept. 3, the third-largest Bitcoin inflow day of 2026.

What is new
Ethereum spot ETFs recorded $141.4 million in net inflows on Sept. 3 after a $48.2 million outflow the prior session.
BlackRock’s ETHA and Fidelity’s FETH together accounted for $137.2 million of the Ethereum total.
U.S. spot Bitcoin ETFs recorded $730.8 million in net inflows on Sept. 3, the largest daily total since Jan. 14 when the same group took in $843.6 million.
BlackRock's iShares Bitcoin Trust (IBIT) received roughly $454 million, accounting for about 62 percent of the day's inflows. ARK 21Shares’ ARKB added $137.7 million, and Fidelity’s FBTC drew $74.4 million.
The dozen U.S. spot Bitcoin ETFs now hold combined assets of $103.34 billion, equal to 6.32 percent of Bitcoin's market capitalization.
Data notes
The exact data provider and methodology behind the inflow figures remain unspecified. It is also unclear whether the reported amounts are final or subject to later revision.