Ken Griffin acquired 37.8 Thousand American Public Education shares worth $517 Thousand. That's 0.00% of their equity portfolio (3362nd largest holding). The first American Public Education trade was made in Q2 2013. Since then Ken Griffin bought shares 24 more times and sold shares on 33 occasions. The stake costed the investor $507 Thousand, netting the investor a gain of 1.9% so far.