Joel Greenblatt's position in Lockheed Martin is currently worth $17 Million. That's 0.17% of their equity portfolio (122nd largest holding). The first Lockheed Martin trade was made in Q4 2010. Since then Joel Greenblatt bought shares 24 more times and sold shares on 30 occasions. The stake costed the investor $11.6 Million, netting the investor a gain of 47% so far.