[Harvard University Sells Off Ethereum ETF, Abu Dhabi Sovereign Wealth Fund Increases IBIT Holdings] According to The Block, sovereign wealth funds, universities, and banks have recently disclosed their Q1 2026 13F filings. On the sovereign wealth fund front, Abu Dhabi's sovereign wealth fund Mubadala increased its holdings in BlackRock's iShares Bitcoin Trust ETF (ticker symbol IBIT), with shares rising from 12,702,323 to 14,721,917, adding over $90 million in holdings. The total value of its holdings now stands at nearly $660 million. Mubadala's subsidiary, the Abu Dhabi Investment Council (ADIC), maintained its IBIT holdings unchanged at 8,218,712 shares, valued at $315.8 million.