Two of Abu Dhabis largest investment firms expanded their exposure to Bitcoin in the fourth quarter of 2025, increasing their holdings in BlackRocks iShares Bitcoin Trust (IBIT) even as the cryptocurrency market declined. Regulatory 13F filings with the U.S. Securities and Exchange Commission reveal that both Mubadala Investment Company and Al Warda Investments added to their positions during a period when Bitcoin (BTC) fell roughly 23%.