Joel Greenblatt acquired 3.15 Thousand Regeneron Pharmaceuticals shares worth $2.85 Million. That's 0.05% of their equity portfolio (471st largest holding). The first Regeneron Pharmaceuticals trade was made in Q3 2013. Since then Joel Greenblatt bought shares fourteen more times and sold shares on 22 occasions. The stake costed the investor $1.49 Million, netting the investor a gain of 92% so far.