Strategy (formerly MicroStrategy) is in a league of its own. With nearly 629,000 Bitcoin worth over $70 billion, it holds more than all other public companies combined. After Strategy, the next largest holders are MARA Holdings (50,000 BTC, $5.9B) and XXI (43,514 BTC, $5.2B). Both are large-scale Bitcoin miners and investors, underscoring how deeply the mining industry is intertwined with Bitcoin accumulation. In fifth place is Trump Media & Technology Group (TMTG), which has committed $2 billion of its liquid holdings to Bitcoin and Bitcoin-related securities. The company has also filed to launch several crypto ETFs that invest in Bitcoin and other digital assets.