Soros Fund Management, the fund of billionaire George Soros (George Soro), said in a 13F filing with the US Securities and Exchange Commission (SEC) late last year that the fund purchased $39.6 million worth of cryptocurrencies from crypto miner Marathon Digital Holdings. Convert bonds. At the same time, the fund also owns calls and puts on 50,000 MicroStrategy shares and nearly $200 million in MicroStrategy preferred stock. In addition, the fund also holds put options on 100,000 shares of the encrypted bank Silvergate Bank. It was previously reported that the Soros Fund held Bitcoin during the 2021 bull market.