Ken Griffin acquired 47.8 Thousand Alliant Energy shares worth $2.38 Million. That's 0.00% of their equity portfolio (2110th largest holding). The first Alliant Energy trade was made in Q2 2013. Since then Ken Griffin bought shares 34 more times and sold shares on 32 occasions. The investor's estimated purchase price is $2.6 Million, resulting in a loss of 8.6%.