The current institutional shareholding score of ACADIA Pharmaceuticals Inc is 10.00, ranking 1 out of 389 in the Biotechnology & Medical Research industry. The latest institutional shareholding proportion is 95.66%, representing a quarter-over-quarter decrease of 13.87%. The largest institutional shareholder is Steven Cohen, holding a total of 2.71M shares, representing 1.51% of shares outstanding, with 0.30% increase in holdings.