Mario Gabelli acquired 349k MGM Resorts International shares worth $16.4M. That's 0.15% of their equity portfolio (171st 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 61 occasions. The stake costed the investor $9.9M, netting the investor a gain of 66% so far.