Mario Gabelli acquired 73.8 Thousand Zoetis- Class A shares worth $12 Million. That's 0.12% of their equity portfolio (202nd largest holding). The first Zoetis- Class A trade was made in Q2 2013. Since then Mario Gabelli bought shares six more times and sold shares on 29 occasions. The stake costed the investor $2.83 Million, netting the investor a gain of 324% so far.