Ken Griffin acquired 1.31 Million MGM Resorts International shares worth $55.6 Million. That's 0.06% of their equity portfolio (413th largest holding). The first MGM Resorts International trade was made in Q2 2013. Since then Ken Griffin bought shares 54 more times and sold shares on 45 occasions. The stake costed the investor $38.8 Million, netting the investor a gain of 43% so far.