Joel Greenblatt acquired 2.09 Thousand West Pharmaceutical Services shares worth $457 Thousand. That's 0.00% of their equity portfolio (1204th largest holding). The first West Pharmaceutical Services trade was made in Q4 2010. Since then Joel Greenblatt bought shares sixteen more times and sold shares on twenty occasions. The stake costed the investor $366 Thousand, netting the investor a gain of 25% so far.