Mario Gabelli's position in Oceaneering International is currently worth $8.65M. That's 0.08% of their equity portfolio (248th largest holding). The first Oceaneering International trade was made in Q4 2005. Since then Mario Gabelli bought shares 23 more times and sold shares on 51 occasions. The stake costed the investor $8.44M, netting the investor a gain of 2.5% so far.