Ken Griffin acquired 158 Thousand BOK Financial shares worth $15.1 Million. That's 0.02% of their equity portfolio (962nd largest holding). The first BOK Financial trade was made in Q2 2013. Since then Ken Griffin bought shares 54 more times and sold shares on 48 occasions. The stake costed the investor $14.5 Million, netting the investor a gain of 3.7% so far.