Joel Greenblatt acquired 7.07k West Pharmaceutical Services shares worth $2.24M. That's 0.01% of their equity portfolio (1079th largest holding). The first West Pharmaceutical Services trade was made in Q4 2010. Since then Joel Greenblatt bought shares eighteen more times and sold shares on 21 occasions. The stake costed the investor $1.79M, netting the investor a gain of 25% so far.