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Harvard Exits Spot Ether ETF as Abu Dhabi's Mubadala Adds to IBIT Stake
CoinDesk reports that Friday marks the deadline for institutional investment managers to file first-quarter holdings disclosures with the U.S. Securities and Exchange Commission, offering a window into how sovereign funds, universities and banks are positioning in crypto ETFs.
Abu Dhabi's sovereign wealth fund Mubadala boosted its exposure to BlackRock's iShares Bitcoin Trust ETF (IBIT). As of March 31, its stake rose to 14,721,917 shares from 12,702,323, worth nearly $660 million at current prices. Mubadala subsidiary Abu Dhabi Investment Committee (ADIC) reported an unchanged IBIT position of 8,218,712 shares valued at $315.8 million as of March 31, the same share count previously reported by another subsidiary, Al Warda Investments, at year-end. The roughly $92 million value drop was attributed to IBIT's quarterly price decline rather than sales. The filing also shifted which entity reports the position: after Al Warda filed independently for three quarters, the company said Friday that the holdings will now be reported through ADIC, with the beneficial owner unchanged.
University endowments largely held steady. Dartmouth College reported 201,531 IBIT shares worth just over $9 million, unchanged from the prior quarter. Dartmouth also rotated its ether ETF exposure, moving from the Grayscale Ethereum Mini Trust to Grayscale's Ethereum Staking ETF while keeping a 178,148-share position, and disclosed a new stake of 304,803 shares in the Bitwise Solana Staking ETF valued at nearly $3.67 million. The move is among early signs that institutional endowments are exploring allocations beyond Bitcoin (BTC) and Ethereum (ETH).
Brown University maintained 212,500 IBIT shares. Emory University streamlined its bitcoin ETF exposure, selling its entire 4,450-share IBIT position and increasing its stake in the Grayscale Bitcoin Mini Trust to 1,354,148 shares from slightly more than 1 million.
Harvard University, which drew attention in late 2025 after revealing a large IBIT position, continued to cut back in the first quarter. Its endowment reportedly held 3,044,612 IBIT shares as of March 31, valued around $117 million, down 43% from 5.35 million shares at the end of 2025, following a 21% reduction in the fourth quarter. Harvard also fully liquidated its $86.8 million position in BlackRock's spot Ethereum ETF, which launched just last quarter. IBIT is no longer Harvard's largest disclosed holding; TSMC now tops its 13F portfolio, while Alphabet, Microsoft and the SPDR Gold Trust also rank above TSMC.
Banks and brokers also adjusted exposures and hedges. Royal Bank of Canada increased its direct IBIT holdings and expanded its use of put and call options. Scotiabank, after exiting prior holdings in U.S. bitcoin stocks tied to Trump, added 214,370 IBIT shares. Barclays reported a layered IBIT footprint, including about 4.46 million shares of the spot ETF alongside sizable put and call option positions.
Some investors reduced risk after crypto-market weakness in the first quarter. Hong Kong's Laurore, an offshore entity that surfaced earlier this year as one of the largest IBIT holders, cut its stake to 6,846,279 shares from 8,786,279, according to filings.