Mario Gabelli's position in Occidental Petroleum is currently worth $5.68 Million. That's 0.06% of their equity portfolio (302nd largest holding). The first Occidental Petroleum trade was made in Q3 2002. Since then Mario Gabelli bought shares 27 more times and sold shares on 53 occasions. The stake costed the investor $5.21 Million, netting the investor a gain of 9.1% so far.