PANews reported on February 18th that, according to Cryptopolitan, Abu Dhabi's sovereign wealth fund, Mubadala, disclosed in its 13F filing with the U.S. Securities and Exchange Commission that it held 12,702,323 shares of BlackRock's iShares Bitcoin Trust (IBIT) as of the end of the fourth quarter of 2025, worth approximately $630.6 million. This holding represents a 46% increase from 8.7 million shares at the end of the third quarter.