Joel Greenblatt acquired 3.89 Thousand AAR shares worth $233 Thousand. That's 0.00% of their equity portfolio (1237th largest holding). The first AAR trade was made in Q3 2012. Since then Joel Greenblatt bought shares nineteen more times and sold shares on nineteen occasions. The stake costed the investor $138 Thousand, netting the investor a gain of 68% so far.