The current institutional shareholding score of ATN International Inc is 5.00, ranking 20 out of 55 in the Telecommunications Services industry. The latest institutional shareholding proportion is 58.64%, representing a quarter-over-quarter decrease of 20.86%. The largest institutional shareholder is James Simons, holding a total of 0.00 shares, representing 2.27% of shares outstanding, with 3.38% increase in holdings.