Joel Greenblatt's position in Mastercard Incorporated is currently worth $27M. That's 0.15% of their equity portfolio (108th largest holding). The first Mastercard Incorporated trade was made in Q4 2010. Since then Joel Greenblatt bought shares 23 more times and sold shares on 27 occasions. The stake costed the investor $9.35M, netting the investor a gain of 189% so far.