Joel Greenblatt's position in AMGEN is currently worth $11.1 Million. That's 0.20% of their equity portfolio (84th largest holding). The first AMGEN trade was made in Q4 2010. Since then Joel Greenblatt bought shares 26 more times and sold shares on 24 occasions. The stake costed the investor $10.1 Million, netting the investor a gain of 11% so far.