Joel Greenblatt acquired 452 Thousand General Motors Company shares worth $19.6 Million. That's 0.35% of their equity portfolio (27th largest holding). The first General Motors Company trade was made in Q1 2011. Since then Joel Greenblatt bought shares 27 more times and sold shares on 27 occasions. The stake costed the investor $16.6 Million, netting the investor a gain of 18% so far.