The 10 Public Companies With the Biggest Bitcoin Portfolios
Publicly traded companies are increasingly buying Bitcoin for their reserves, breaking the long-held perception that Bitcoin is too volatile for serious investments. Leading this trend is Strategy (formerly MicroStrategy), which holds 628,946 BTC valued at over $73 billion, as of August 2025. Following Strategy, Marathon Digital Holdings holds 50,639 BTC, worth nearly $6 billion. Other significant holders include Twenty One, Bitcoin Standard Treasury Company, and Riot Platforms, each with substantial Bitcoin assets and ambitious future plans for acquisitions. Notable firms like CleanSpark and Coinbase are also on the list, with CleanSpark holding 12,703 BTC and Coinbase 11,776 BTC. Tesla, with its history of fluctuating Bitcoin policies, currently owns 11,509 BTC, valued at approximately $1.35 billion. These companies collectively account for about 4.5% of Bitcoin’s total supply, highlighting a shift in institutional adoption of digital assets.
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