Harvard Management Company reduces Bitcoin ETF holdings by 21% and establishes a $86.8 million Ethereum ETF position for the first time

According to The Block, based on the latest SEC filing, Harvard Management Company reduced its holdings in the BlackRock iShares Bitcoin Trust (IBIT) by 21% in the fourth quarter of 2025, while also making its first purchase of the iShares Ethereum Trust (ETHA) worth $86.8 million.

Despite the reduction, the Bitcoin ETF remains Harvard's largest publicly traded position with a valuation of $265.8 million.