The current institutional shareholding score of Acumen Pharmaceuticals Inc is 5.00, ranking 133 out of 389 in the Biotechnology & Medical Research industry. The latest institutional shareholding proportion is 62.34%, representing a quarter-over-quarter decrease of 17.52%. The largest institutional shareholder is Frank Sands, holding a total of 1.06M shares, representing 1.59% of shares outstanding, with 15.87% decrease in holdings.