Ken Griffin acquired 2.9 Thousand Select Medical Holdings shares worth $100 Thousand. That's 0.00% of their equity portfolio (4437th largest holding). The first Select Medical Holdings trade was made in Q2 2013. Since then Ken Griffin bought shares 39 more times and sold shares on 44 occasions. The stake costed the investor $72 Thousand, netting the investor a gain of 39% so far.