Ken Griffin acquired 1.05 Million Post Holdings shares worth $111 Million. That's 0.11% of their equity portfolio (209th largest holding). The investor owns 1.78% of the outstanding Post Holdings stock. The first Post Holdings trade was made in Q2 2013. Since then Ken Griffin bought shares 55 more times and sold shares on 44 occasions. The stake costed the investor $91.1 Million, netting the investor a gain of 22% so far.