Joel Greenblatt acquired 144 Thousand MerckInc shares worth $18.1 Million. That's 0.33% of their equity portfolio (30th largest holding). The first MerckInc trade was made in Q1 2011. Since then Joel Greenblatt bought shares 25 more times and sold shares on 25 occasions. The stake costed the investor $8.72 Million, netting the investor a gain of 108% so far.