The current institutional shareholding score of United-Guardian Inc is 3.00, ranking 94 out of 157 in the Pharmaceuticals industry. The latest institutional shareholding proportion is 24.63%, representing a quarter-over-quarter increase of 9.77%. The largest institutional shareholder is James Simons, holding a total of 0.00 shares, representing 3.83% of shares outstanding, with 0.11% increase in holdings.