Ken Griffin acquired 4.65 Thousand Mistras Group shares worth $41.6 Thousand. That's 0.00% of their equity portfolio (4607th largest holding). The first Mistras Group trade was made in Q2 2013. Since then Ken Griffin bought shares 32 more times and sold shares on 27 occasions. The stake costed the investor $29.8 Thousand, netting the investor a gain of 40% so far.