Ken Griffin acquired 78.1 Thousand Westinghouse Air Brake Technologies shares worth $15 Million. That's 0.02% of their equity portfolio (965th largest holding). The first Westinghouse Air Brake Technologies trade was made in Q2 2013. Since then Ken Griffin bought shares 62 more times and sold shares on 47 occasions. The stake costed the investor $7.53 Million, netting the investor a gain of 99% so far.