BlockBeats News, May 21st, according to BitcoinTreasuries.NET, it is reported that Elon Musk's SpaceX and Tesla currently hold a total of 30,221 BTC, worth approximately $2.3 billion. Specifically, SpaceX holds 18,712 BTC, and Tesla holds 11,509 BTC. When combined, they will become the fifth-largest publicly traded Bitcoin-holding company in the world.