BlackRock ETF clients purchase $149M in Ethereum as institutional appetite surges

BlackRock’s Ethereum ETF just had another massive day. The firm’s iShares Ethereum Trust, trading under the ticker ETHA, pulled in roughly $149 million in net inflows on September 11, accounting for nearly 69% of the $216 million that flowed into US spot Ethereum ETFs that session. The purchase pushes ETHA’s cumulative net inflows to $13.013 billion, a figure that cements BlackRock’s position as the dominant force in the Ethereum ETF space. Total sector net assets now sit at approximately $16.305 billion, meaning BlackRock alone is responsible for the vast majority of capital that’s entered these products. One fund, most of the market This kind of concentration isn’t new. BlackRock pulled a similar trick with its spot Bitcoin ETF, IBIT, which routinely dwarfed competitors in daily inflow volume after launching in early 2024. The September session also continues a broader trend of institutional money flooding into Ethereum through regulated vehicles. August 2026 saw $1.75 billion in cumulative inflows across the entire spot Ethereum ETF sector. ETHA contributed over $1 billion of that total during a notable nine-day inflow streak. Beyond holding: the staking expansion In March 2026,...