The 10 Public Companies With the Biggest Bitcoin Portfolios
Publicly traded companies are increasingly buying Bitcoin for their reserves, a trend that started around 2020 with MicroStrategy's major purchase. As of August 2025, these firms collectively hold nearly 4.5% of the total Bitcoin supply. The top holder is now Strategy (formerly MicroStrategy) with 628,946 BTC, worth over $73 billion. Other significant holders include Marathon Digital Holdings, holding 50,639 BTC, and Twenty-One, which is set to hold 43,514 BTC and aims to focus on Bitcoin-related services. Bitcoin Standard Treasury Company follows with over 30,000 BTC, and Riot Platforms has 19,273 BTC in reserve. Additionally, Metaplanet and Trump Media & Technology Group hold 18,113 BTC and 15,000 BTC, respectively. CleanSpark has 12,703 BTC, Coinbase retains 11,776 BTC, and Tesla rounds off the list with 11,509 BTC. These companies are at the forefront of institutional Bitcoin adoption, reflecting a significant shift in corporate asset management strategies.
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