Ken Griffin acquired 2.25 Million JPMorgan Chase shares worth $651 Million. That's 0.64% of their equity portfolio (7th largest holding). The investor owns 19.67% of the outstanding JPMorgan Chase stock. The first JPMorgan Chase trade was made in Q2 2013. Since then Ken Griffin bought shares 58 more times and sold shares on 56 occasions. The stake costed the investor $276 Million, netting the investor a gain of 136% so far.