Abu Dhabi’s sovereign wealth fund, Mubadala Investment Company, disclosed a significant increase in its position in BlackRock’s iShares Bitcoin Trust (IBIT), reporting ownership of 12.7 million shares valued at approximately $630.6 million as of December 31.
This represents a 46% rise from the 8.7 million IBIT shares previously reported as of September 30. Mubadala manages a broad global portfolio spanning technology, healthcare, infrastructure, private equity and public markets, with assets under management exceeding USD 330 billion.
The fund’s strategy aims to generate sustainable returns for the Government of Abu Dhabi and support economic diversification beyond oil.
Also in Q4 2025, Abu Dhabi-based Al Warda Investments increased its holdings in IBIT to 8.22 million shares in Q4 2025, up from 7.96 million in Q3, continuing a strategy shift that began earlier in the year.
The firm, part of the Abu Dhabi Investment Council under Mubadala, has historically favored private investments, making this public BTC ETF allocation notable for the region.
In other words, Abu Dhabi investment vehicles together held over 20 million shares of BlackRock’s IBIT at the close of last year, with a combined value exceeding $1.1 billion.
Massive investment firms are buying Bitcoin exposure via IBIT
On top of this, Jane Street reportedly boosted its IBIT holdings by 7,105,206 shares in Q4 2025, bringing its total stake to 20,315,780 shares valued at $790 million.
Alongside Jane Street, BlackRock and Morgan Stanley also increased their IBIT positions by more than 2.37 million shares.
Last week, Goldman Sachs disclosed roughly $2.36 billion in total crypto exposure, including a $1.1 billion position in IBIT, signaling a shift from its earlier skepticism toward bitcoin.
SEC filings also showed smaller holdings in Fidelity’s BTC fund, bitcoin-related companies, and options positions tied to IBIT, alongside exposure to Ethereum, XRP, and Solana.
In November of last year, Texas became the first U.S. state to purchase Bitcoin for its Strategic Reserve, acquiring $5 million IBIT shares worth approximately $87,000 per BTC. The purchase was made while the state finalizes plans for self-custody of the asset.
Texas had previously explored legislation to establish a strategic Bitcoin reserve without using taxpayer funds.
Harvard adjusted its crypto holdings in Q4 2025, cutting its Bitcoin position by 21% to 5.35 million IBIT shares ($265.8 million) while establishing a new $86.8 million stake in BlackRock’s iShares Ethereum Trust.
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