On September 21, 2026, US spot Bitcoin and Ether ETFs recorded a combined net inflow of $1.269 billion. This single-day performance followed a week where inflows were limited to approximately $6.2 million.
BlackRock’s iShares Bitcoin Trust (IBIT) led the market, attracting approximately $618 million in inflows. Fidelity’s FBTC fund maintained its position as the second-largest beneficiary of institutional capital.
Since the launch of spot Bitcoin ETFs in January 2024, cumulative net inflows have reached between $55 billion and $55.8 billion. Total assets under management (AUM) for these products have exceeded $102.5 billion, with some projections reaching $105.6 billion by late September 2026.
During the trading session on September 21, the price of Bitcoin traded above $81,000, with intraday peaks approaching $82,000.
