Mubadala boosts BlackRock iShares Bitcoin Trust stake to 12.7M IBIT shares worth $630.6M

Abu Dhabi's sovereign wealth fund Mubadala Investment Company disclosed in a 13F filing that it held 12,702,323 shares of BlackRock's iShares Bitcoin Trust as of December 31, 2025, valued at about $630.6 million. The position marked a 46% rise from the 8,726,972 shares reported on September 30, 2025, highlighting growing institutional exposure to spot Bitcoin ETFs alongside holdings in major technology, healthcare, gold mining, and consumer companies.