Steven Cohen acquired 1.71 Million MerckInc shares worth $217 Million. That's 0.65% of their equity portfolio (16th largest holding). The first MerckInc trade was made in Q2 2014. Since then Steven Cohen bought shares 24 more times and sold shares on 25 occasions. The stake costed the investor $142 Million, netting the investor a gain of 52% so far.