Joel Greenblatt acquired 132 Thousand Occidental Petroleum shares worth $8.34 Million. That's 0.13% of their equity portfolio (180th largest holding). The first Occidental Petroleum trade was made in Q2 2012. Since then Joel Greenblatt bought shares sixteen more times and sold shares on fourteen occasions. The stake costed the investor $3.88 Million, netting the investor a gain of 115% so far.