Ken Griffin acquired 12.1M Pfizer shares worth $304M. That's 0.20% of their equity portfolio (90th largest holding). The first Pfizer trade was made in Q2 2013. Since then Ken Griffin bought shares 68 more times and sold shares on 58 occasions. The investor's estimated purchase price is $438M, resulting in a loss of 31%.
Hedge funds managed by Israel Englander and Ken Griffin both scooped up shares in a troubled pharmaceutical stock last quarter.
Ken Griffin's Citadel continues to add to its position in Pfizer.