The current institutional shareholding score of Supernus Pharmaceuticals Inc is 10.00, ranking 1 out of 157 in the Pharmaceuticals industry. The latest institutional shareholding proportion is 113.82%, representing a quarter-over-quarter increase of 9.85%. The largest institutional shareholder is James Simons, holding a total of 0.00 shares, representing 2.94% of shares outstanding, with 0.07% increase in holdings.