Mario Gabelli's position in RPC is currently worth $21.4 Million. That's 0.23% of their equity portfolio (114th largest holding). The investor owns 1.35% of the outstanding RPC stock. The first RPC trade was made in Q1 2001. Since then Mario Gabelli bought shares 31 more times and sold shares on 57 occasions. The stake costed the investor $12.3 Million, netting the investor a gain of 74% so far.