Joel Greenblatt's position in Aspen Technology is currently worth $533 Thousand. That's 0.01% of their equity portfolio (1002nd largest holding). The first Aspen Technology trade was made in Q3 2013. Since then Joel Greenblatt bought shares seventeen more times and sold shares on 25 occasions. The stake costed the investor $109 Thousand, netting the investor a gain of 389% so far.