Joel Greenblatt acquired 396 Thousand General Motors Company shares worth $18.8 Million. That's 0.19% of their equity portfolio (91st largest holding). The first General Motors Company trade was made in Q1 2011. Since then Joel Greenblatt bought shares 28 more times and sold shares on 30 occasions. The stake costed the investor $14.7 Million, netting the investor a gain of 28% so far.