Ken Griffin's position in Charles River Laboratories International is currently worth $11.6 Million. That's 0.01% of their equity portfolio (1055th largest holding). The first Charles River Laboratories International trade was made in Q2 2013. Since then Ken Griffin bought shares 50 more times and sold shares on 43 occasions. The stake costed the investor $10.3 Million, netting the investor a gain of 13% so far.