Joel Greenblatt's position in General Dynamics is currently worth $31.2 Million. That's 0.32% of their equity portfolio (21st largest holding). The first General Dynamics trade was made in Q4 2010. Since then Joel Greenblatt bought shares 25 more times and sold shares on 26 occasions. The stake costed the investor $21.8 Million, netting the investor a gain of 43% so far.