Ken Griffin acquired 3.05 Million Goldman Sachs Group shares worth $1.12 Billion. It makes up 1.26% of their stock portfolio and is their biggest holding. The first Goldman Sachs Group trade was made in Q2 2013. Since then Ken Griffin bought shares 53 more times and sold shares on 31 occasions. The stake costed the investor $840 Million, netting the investor a gain of 33% so far.