[Strategy holds 640,000 Bitcoin, the world's largest holding company] According to BitcoinTreasuries.Net data, Strategy holds 640,250 Bitcoin, accounting for approximately 2.5% of the total Bitcoin supply, making it the world's largest Bitcoin holding company. Its holdings exceed the combined total of the top 15 mining farms and corporate treasuries. The second-ranked MARA Holdings holds 53,250 Bitcoin, valued at approximately $5.7 billion; the third-ranked XXI holds 43,514 Bitcoin, valued at $4.7 billion. Multiple U.S.-listed companies, including Riot Platforms and Coinbase, collectively hold over 900,000 Bitcoin.