Mario Gabelli acquired 27.5k Mastercard Incorporated shares worth $16.4M. That's 0.15% of their equity portfolio (166th largest holding). The first Mastercard Incorporated trade was made in Q3 2006. Since then Mario Gabelli bought shares 22 more times and sold shares on 53 occasions. The stake costed the investor $6.54M, netting the investor a gain of 150% so far.