Joel Greenblatt's position in Westinghouse Air Brake Technologies is currently worth $865 Thousand. That's 0.02% of their equity portfolio (807th largest holding). The first Westinghouse Air Brake Technologies trade was made in Q3 2011. Since then Joel Greenblatt bought shares seventeen more times and sold shares on 21 occasions. The stake costed the investor $670 Thousand, netting the investor a gain of 29% so far.