Ken Griffin acquired 3.99 Million Iamgold shares worth $27.3 Million. That's 0.03% of their equity portfolio (701st largest holding). The first Iamgold trade was made in Q2 2013. Since then Ken Griffin bought shares 53 more times and sold shares on 58 occasions. The stake costed the investor $12 Million, netting the investor a gain of 128% so far.