Jeremy Grantham's position in Regeneron Pharmaceuticals is currently worth $33.2 Million. That's 0.12% of their equity portfolio (114th largest holding). The first Regeneron Pharmaceuticals trade was made in Q1 2013. Since then Jeremy Grantham bought shares thirteen more times and sold shares on nine occasions. The investor's estimated purchase price is $40.6 Million, resulting in a loss of 18%.