The Q1 2026 SEC 13F filings reveal significant adjustments in crypto ETF holdings by sovereign funds, university endowments, and banks. Abu Dhabi's Mubadala increased its IBIT holdings to 14,721,917 shares, valued at approximately $660 million. Meanwhile, the Abu Dhabi Investment Council maintained its position at 8,218,712 shares. Harvard University reduced its IBIT holdings by 43% to 3,044,612 shares and liquidated about $86.8 million in BlackRock's spot Ethereum ETF. Dartmouth College retained its IBIT holdings and added 304,803 shares of the Bitwise Solana Staking ETF. Other institutions, including Brown University, Emory University, RBC, Scotiabank, Barclays, and Hong Kong's Laurore, also reported various adjustments in their crypto ETF portfolios.