Joel Greenblatt acquired 390 Thousand General Motors Company shares worth $17.9 Million. That's 0.27% of their equity portfolio (36th 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 28 occasions. The stake costed the investor $14.3 Million, netting the investor a gain of 25% so far.