Mubadala Investment Company, Abu Dhabi’s sovereign wealth fund focused on global investments across technology and financial services, expanded its position in iShares Bitcoin Trust (IBIT) by 46% in Q4 2025, according to a recent filing with the SEC.
As of December 31, Mubadala held around 12.7 million IBIT shares valued at over $630 million at the time of reporting. This represents an uptick from the 8.7 million shares held in Q3.

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