Ken Griffin acquired 1.78M Geo Group shares worth $52.1M. That's 0.03% of their equity portfolio (606th largest holding). The investor owns 1.33% of the outstanding Geo Group stock. The first Geo Group trade was made in Q3 2014. Since then Ken Griffin bought shares 63 more times and sold shares on 57 occasions. The stake costed the investor $27M, netting the investor a gain of 93% so far.