Joel Greenblatt acquired 53.4 Thousand Caterpillar shares worth $19 Million. That's 0.29% of their equity portfolio (30th largest holding). The first Caterpillar trade was made in Q2 2011. Since then Joel Greenblatt bought shares 26 more times and sold shares on 24 occasions. The stake costed the investor $6.59 Million, netting the investor a gain of 189% so far.