Ken Griffin acquired 964 Thousand Occidental Petroleum shares worth $64.9 Million. That's 0.07% of their equity portfolio (366th largest holding). The first Occidental Petroleum trade was made in Q2 2013. Since then Ken Griffin bought shares 56 more times and sold shares on 43 occasions. The stake costed the investor $41.3 Million, netting the investor a gain of 57% so far.