Ken Griffin acquired 60.5 Thousand Mistras Group shares worth $439 Thousand. That's 0.00% of their equity portfolio (3750th largest holding). The first Mistras Group trade was made in Q2 2013. Since then Ken Griffin bought shares 28 more times and sold shares on 22 occasions. The stake costed the investor $387 Thousand, netting the investor a gain of 14% so far.