Mario Gabelli's position in Oceaneering International is currently worth $11 Million. That's 0.12% of their equity portfolio (202nd largest holding). The first Oceaneering International trade was made in Q4 2005. Since then Mario Gabelli bought shares 21 more times and sold shares on 47 occasions. The stake costed the investor $10.6 Million, netting the investor a gain of 3.5% so far.