Ken Griffin acquired 81.5 Thousand Mistras Group shares worth $654 Thousand. That's 0.00% of their equity portfolio (3245th largest holding). The first Mistras Group trade was made in Q2 2013. Since then Ken Griffin bought shares 41 more times and sold shares on 33 occasions. The investor's estimated purchase price is $688 Thousand, resulting in a loss of 5.0%.