Joel Greenblatt's position in Zoetis- Class A is currently worth $3.5 Million. That's 0.12% of their equity portfolio (196th largest holding). The first Zoetis- Class A trade was made in Q2 2013. Since then Joel Greenblatt bought shares ten more times and sold shares on sixteen occasions. The stake costed the investor $1.57 Million, netting the investor a gain of 123% so far.