Ken Griffin acquired 8.08 Million Kroger shares worth $536 Million. That's 0.53% of their equity portfolio (16th largest holding). The investor owns 1.18% of the outstanding Kroger stock. The first Kroger trade was made in Q2 2013. Since then Ken Griffin bought shares 58 more times and sold shares on 56 occasions. The stake costed the investor $459 Million, netting the investor a gain of 17% so far.