Goldman Sachs has emerged as the leading holder of Ethereum ETF assets, with $721 million under management, according to recent 13F filings. This positions the firm at the forefront of institutional interest in Ethereum, following the approval of spot Ethereum ETFs in the U.S. Jane Street and Millennium Management are also significant players, holding $190 million and $186 million in Ethereum ETFs, respectively. The participation of these major financial institutions highlights Ethereum's increasing integration into mainstream finance and suggests a growing trend of institutional adoption.