Ken Fisher acquired 4.17 Million Mastercard Incorporated shares worth $2.37 Billion. That's 0.99% of their equity portfolio (32nd largest holding). The first Mastercard Incorporated trade was made in Q1 2013. Since then Ken Fisher bought shares 40 more times and sold shares on seven occasions. The stake costed the investor $1.32 Billion, netting the investor a gain of 79% so far.