Ken Griffin acquired 5.34 Thousand MKS Instruments shares worth $437 Thousand. That's 0.00% of their equity portfolio (3649th largest holding). The first MKS Instruments trade was made in Q2 2013. Since then Ken Griffin bought shares 48 more times and sold shares on 47 occasions. The investor's estimated purchase price is $578 Thousand, resulting in a loss of 24%.