BlackRock and Michael Saylor's Strategy Inc. now collectively hold 1,297,325 bitcoin, valued at approximately $140.8 billion as of July 2025.
BlackRock’s iShares Bitcoin Trust (IBIT) holds over 700,306 BTC, worth around $75.9 billion.
Strategy Inc. (Michael Saylor’s company, formerly MicroStrategy) is recognized as the largest corporate holder of bitcoin, and together with BlackRock, their combined holdings reach the reported figure.
This accumulation gives these two entities control over more than 6% of Bitcoin’s total supply, a level of concentration that underscores the growing institutional presence in the Bitcoin market. BlackRock alone now holds over 55% of all BTC held by U.S. spot ETFs, and its ETF has seen inflows and growth that outpace even its flagship S&P 500 fund