The current institutional shareholding score of Rhythm Pharmaceuticals Inc is 10.00, ranking 1 out of 157 in the Pharmaceuticals industry. The latest institutional shareholding proportion is 116.93%, representing a quarter-over-quarter increase of 4.50%. The largest institutional shareholder is Steven Cohen, holding a total of 805.62K shares, representing 1.24% of shares outstanding, with 0.36% increase in holdings.