Ken Griffin acquired 2.12 Million Goldman Sachs Group shares worth $646 Million. That's 0.93% of their equity portfolio (2nd largest holding). The first Goldman Sachs Group trade was made in Q2 2013. Since then Ken Griffin bought shares 50 more times and sold shares on 31 occasions. The stake costed the investor $554 Million, netting the investor a gain of 17% so far.