Ken Griffin acquired 42.3k Amerisource Bergen shares worth $7.61M. That's 0.00% of their equity portfolio (1702nd largest holding). The first Amerisource Bergen trade was made in Q2 2013. Since then Ken Griffin bought shares 66 more times and sold shares on 60 occasions. The stake costed the investor $4.72M, netting the investor a gain of 61% so far.