Ken Griffin acquired 40.5 Thousand Laboratory Corp. Of America Holdings shares worth $8.18 Million. That's 0.01% of their equity portfolio (1226th largest holding). The first Laboratory Corp. Of America Holdings trade was made in Q2 2013. Since then Ken Griffin bought shares 48 more times and sold shares on 51 occasions. The stake costed the investor $7.92 Million, netting the investor a gain of 3.3% so far.