Who are the largest holders of BITO?

Who are the largest holders of BITO, the Bitcoin futures-based exchange-traded fund (ETF) that has garnered significant attention in the financial markets? Are they institutional investors, retail traders, or a mix of both? What percentage of BITO's total assets under management do these largest holders represent? Are there any notable hedge funds or investment firms among the top holders, and if so, what strategies might they be employing to capitalize on BITO's exposure to Bitcoin? Additionally, how does the composition of BITO's largest holders compare to that of other popular ETFs in the market?