Jim Simons acquired 68.3k Rhythm Pharmaceuticals shares worth $7.56M. That's 0.01% of their equity portfolio (1150th largest holding). The first Rhythm Pharmaceuticals trade was made in Q3 2019. Since then Jim Simons bought shares nine more times and sold shares on seven occasions. The stake costed the investor $5.08M, netting the investor a gain of 49% so far.