Mubadala Raises Bitcoin ETF Stake 16% to 14.7M IBIT Shares in Q1 2026

According to SEC filings disclosed by Bitcoin.com News, Abu Dhabi's Mubadala Investment Company raised its position in Blackrock's iShares Bitcoin ETF (IBIT) by 16% in Q1 2026 to roughly 14.7 million shares, valued at nearly $566 million as the share price moved. The fund held approximately 12.7 million IBIT shares at the end of 2025, worth close to $631 million at that time.

Citadel Mining, tied to Abu Dhabi's Royal Group, holds approximately 6,996.56 BTC worth roughly $451.05 million as of Aug. 5, 2026, according to Arkham Intelligence data. The firm built most of that stack through mining operations that began around 2022 rather than through spot purchases.