Foresight News reports that asset management company GraniteShares has submitted an application for a 2x leveraged ETF for cryptocurrency companies in the US stock market, with components including cryptocurrency-related companies such as Riot Platforms, Marathon Digital, MicroStrategy, and Robinhood. Marathon Digital and Riot are two major Bitcoin mining companies and are the third and second largest holders of Bitcoin, holding 44,394 and 17,429 Bitcoins on their balance sheets, respectively. MicroStrategy holds the most Bitcoin, with 439,000, and Robinhood is one of the main platforms for cryptocurrency and stock investment in the United States.