Joel Greenblatt acquired 2.16 Thousand West Pharmaceutical Services shares worth $464 Thousand. That's 0.00% of their equity portfolio (1069th 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 nineteen occasions. The stake costed the investor $378 Thousand, netting the investor a gain of 23% so far.