The current institutional shareholding score of Miami International Holdings Inc is 3.00, ranking 71 out of 122 in the Investment Banking & Investment Services industry. The latest institutional shareholding proportion is 18.99%, representing a quarter-over-quarter decrease of 58.46%. The largest institutional shareholder is Murray Stahl, holding a total of 2.68M shares, representing 3.66% of shares outstanding, with 53.06% decrease in holdings.