Ken Griffin acquired 653 Thousand Geo Group shares worth $8.78 Million. That's 0.01% of their equity portfolio (1231st largest holding). The first Geo Group trade was made in Q3 2014. Since then Ken Griffin bought shares 48 more times and sold shares on 48 occasions. The stake costed the investor $7.72 Million, netting the investor a gain of 14% so far.