Ken Griffin acquired 427k American Electric Power Company shares worth $46.4M. That's 0.04% of their equity portfolio (551st largest holding). The investor owns Inf% of the outstanding American Electric Power Company stock. The first American Electric Power Company trade was made in Q2 2013. Since then Ken Griffin bought shares 61 more times and sold shares on 56 occasions. The stake costed the investor $36.1M, netting the investor a gain of 29% so far.