Jim Simons acquired 1.38 Million Collegium Pharmaceutical shares worth $49.8 Million. That's 0.08% of their equity portfolio (307th largest holding). The investor owns 4.38% of the outstanding Collegium Pharmaceutical stock. The first Collegium Pharmaceutical trade was made in Q3 2015. Since then Jim Simons bought shares twelve more times and sold shares on twelve occasions. The stake costed the investor $23.7 Million, netting the investor a gain of 110% so far.