Elon Musk’s companies, Tesla and SpaceX, currently hold a significant amount of Bitcoin (BTC). Musk has been a vocal supporter of cryptocurrency, particularly Bitcoin, and his companies have invested heavily in it. While the exact amount of Bitcoin held by Tesla and SpaceX is not publicly disclosed, it is believed to be a substantial sum. Musk’s endorsement of Bitcoin has helped to increase its popularity and value in the market. With Musk’s influence and support, it is likely that Bitcoin will continue to be a major player in the world of finance and technology.