Ken Griffin acquired 4.41M JPMorgan Chase shares worth $1.32B. That's 1.13% of their equity portfolio (3rd largest holding). The investor owns 39.93% of the outstanding JPMorgan Chase stock. The first JPMorgan Chase trade was made in Q2 2013. Since then Ken Griffin bought shares 60 more times and sold shares on 57 occasions. The stake costed the investor $547M, netting the investor a gain of 142% so far.