Ken Griffin acquired 571k Iamgold shares worth $8.74M. That's 0.01% of their equity portfolio (1612th largest holding). The first Iamgold trade was made in Q2 2013. Since then Ken Griffin bought shares 61 more times and sold shares on 65 occasions. The stake costed the investor $2.5M, netting the investor a gain of 250% so far.