Jim Simons's position in Regeneron Pharmaceuticals is currently worth $43.2 Million. That's 0.06% of their equity portfolio (371st largest holding). The first Regeneron Pharmaceuticals trade was made in Q2 2013. Since then Jim Simons bought shares 23 more times and sold shares on 23 occasions. The investor's estimated purchase price is $55.1 Million, resulting in a loss of 22%.