Mario Gabelli acquired 478 Thousand MGM Resorts International shares worth $16.4 Million. That's 0.17% of their equity portfolio (147th largest holding). The first MGM Resorts International trade was made in Q1 2001. Since then Mario Gabelli bought shares 32 more times and sold shares on 57 occasions. The stake costed the investor $13.6 Million, netting the investor a gain of 21% so far.