Mubadala Raises BlackRock Bitcoin ETF Stake 16% to $566M
Mubadala increased its holding in BlackRock’s iShares Bitcoin ETF by 16% to 14.7 million shares, valued at $565.6 million, in Q1 2026, per SEC filings.
Abu Dhabi’s Mubadala Investment Company raised its stake in BlackRock’s iShares Bitcoin ETF (IBIT) by 16% in the first quarter of 2026, reporting ownership of 14.7 million shares valued at $565.6 million, according to SEC disclosures.
Mubadala’s share count rose 16% over the three-month period, while the dollar value declined from the end of Q4 2025. The firm held more IBIT shares at the end of Q1 2026 than three months earlier, but those shares were worth less after bitcoin’s price fell from its late-2025 highs.
Mubadala first reported an IBIT position in Q4 2024 at roughly $436 million. The reported dollar value fell to $408.5 million in Q1 2025, then increased to about $630.6 million by December 31, 2025, when bitcoin traded above $100,000. The Q1 2026 filing continues a pattern of quarterly additions that began in Q4 2024.
Other Abu Dhabi-linked entities have also increased IBIT holdings. Al Warda Investments, affiliated with the Abu Dhabi Investment Council, reported 8.2 million IBIT shares worth about $408 million as of Q4 2025. The Abu Dhabi Investment Council tripled its direct IBIT holdings in Q3 2025. Combined disclosures show Abu Dhabi-linked sovereign holdings of IBIT exceeded $1 billion by the end of 2025.
BlackRock’s IBIT remained the largest spot bitcoin ETF by assets under management, holding more than 600,000 BTC as of April 2026, roughly three times the bitcoin held by the second-largest issuer, Fidelity. Recent 13F filings have listed several sovereign institutions, including Mubadala and Norway’s Norges Bank, among IBIT holders.
IBIT is the iShares spot bitcoin ETF offered by BlackRock that holds physical bitcoin. Mubadala’s reported share counts and market values come from the institutional investment manager filings the firm submits to the SEC.
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