Joel Greenblatt's position in Lam Research is currently worth $100M. That's 0.27% of their equity portfolio (28th largest holding). The first Lam Research trade was made in Q4 2010. Since then Joel Greenblatt bought shares 27 more times and sold shares on 31 occasions. The stake costed the investor $3.66M, netting the investor a gain of 2636% so far.