MicroStrategy tops the list of public companies with the largest Bitcoin holdings, amassing 607.7K BTC as of July 29, 2025. MARA Holdings follows with 50K BTC, and XXI holds 37.2K BTC. Other significant holders include Riot Platforms with 19.2K BTC and Trump Media & Technology at 18.4K BTC. The list is rounded out by Metaplanet, Galaxy Digital Holdings, CleanSpark, Tesla, and Hut 8 Mining Corp, with holdings between 16.3K and 10.2K BTC. This ranking underscores the substantial investment in Bitcoin by major corporations, indicating a sustained institutional interest in the cryptocurrency market.