Ken Griffin acquired 40.4 Thousand MGE Energy shares worth $3.64 Million. That's 0.00% of their equity portfolio (1825th largest holding). The first MGE Energy trade was made in Q1 2014. Since then Ken Griffin bought shares 21 more times and sold shares on sixteen occasions. The stake costed the investor $3.01 Million, netting the investor a gain of 21% so far.