Joel Greenblatt acquired 55.8 Thousand Allison Transmission Holdings shares worth $4.43 Million. That's 0.08% of their equity portfolio (319th largest holding). The first Allison Transmission Holdings trade was made in Q2 2012. Since then Joel Greenblatt bought shares twenty more times and sold shares on twenty occasions. The stake costed the investor $2.8 Million, netting the investor a gain of 58% so far.