BlackRock trims stake in Bitcoin proxy Strategy but keeps top shareholder spot
Crypto Briefing
BlackRock slightly reduced its holdings in MicroStrategy (MSTR) but remains its largest shareholder, while maintaining a significant stake in MARA Holdings.Summary
BlackRock decreased its stake in MicroStrategy (MSTR), a prominent corporate Bitcoin accumulator, by 0.3% in the fourth quarter of 2025, according to a recent SEC filing. As of December 31, 2025, BlackRock held 14.6 million MSTR shares, valued at $2.2 billion at the time of disclosure. Despite this reduction, BlackRock still owns 5.5% of MicroStrategy, ranking among the top three shareholders. The firm also holds approximately 58.6 million shares of MARA Holdings (MARA), representing a 15% stake and making it the largest institutional shareholder of the Bitcoin miner. This indicates BlackRock continues to maintain substantial exposure to the Bitcoin market through these proxy investments.
(Source：Crypto Briefing)