You can already invest in hundreds of ETFs with exposure to Bitcoin Despite the lack of United States-based Bitcoin ETF, hundreds of funds have made significant investments into the blockchain and crypto industries. 11882 Total views News Numerous U.S.-traded exchange-traded funds, or ETFs, are loading up on shares in the world’s top crypto firms. According to ETF.com, hundreds of funds have invested in publicly-listed companies that are holding BTC on their balance sheets. As of this writing 88 ETFs hold MicroStrategy shares, while 144 ETFs hold Square, and 222 ETFs hold Tesla. Sixteen ETFs have direct exposure to Bitcoin mining stocks.