Q1 13F Filings: Abu Dhabi Sovereign Fund Significantly Increases IBIT Stake; Harvard University Fully Exits Ethereum ETF

According to The Block, several sovereign wealth funds, university endowments, and traditional banks disclosed their 13F holdings for Q1 2026: • Mubadala, Abu Dhabi’s sovereign wealth fund, increased its position in the BlackRock iShares Bitcoin Trust ETF (IBIT) from 12.7 million shares to 14.72 million shares—adding over $90 million—bringing its total holding value to approximately $566 million (a 16% increase quarter-on-quarter). Its subsidiary, the Abu Dhabi Investment Council (ADIC), maintained its IBIT position unchanged at 8.21 million shares, valued at approximately $316 million. • University endowments’ crypto ETF holdings remained largely stable. • Traditional financial institutions actively rebalanced their positions: Royal Bank of Canada (RBC) increased its spot IBIT holdings while hedging with put/call options; Scotiabank sold off Trump-related Bitcoin stocks and added 214,000 IBIT shares; Barclays held approximately 4.46 million shares of spot IBIT and deployed a large options position; Hong Kong–based Laurore reduced its IBIT holdings from 8.78 million shares to 6.85 million shares.