Jim Simons acquired 1.37M Collegium Pharmaceutical shares worth $32.3M. That's 0.04% of their equity portfolio (480th largest holding). The investor owns 4.17% of the outstanding Collegium Pharmaceutical stock. The first Collegium Pharmaceutical trade was made in Q3 2015. Since then Jim Simons bought shares eighteen more times and sold shares on sixteen occasions. The stake costed the investor $27.1M, netting the investor a gain of 19% so far.