Ken Griffin acquired 9.3 Thousand West Pharmaceutical Services shares worth $3.11 Million. That's 0.00% of their equity portfolio (2022nd largest holding). The first West Pharmaceutical Services trade was made in Q2 2013. Since then Ken Griffin bought shares 40 more times and sold shares on 37 occasions. The stake costed the investor $2.67 Million, netting the investor a gain of 17% so far.