Ken Griffin acquired 2.44 Million Southern Company shares worth $221 Million. That's 0.22% of their equity portfolio (96th largest holding). The investor owns Inf% of the outstanding Southern Company stock. The first Southern Company trade was made in Q2 2013. Since then Ken Griffin bought shares 63 more times and sold shares on 51 occasions. The stake costed the investor $199 Million, netting the investor a gain of 11% so far.