Joel Greenblatt acquired 32.4 Thousand Alliant Energy shares worth $1.62 Million. That's 0.03% of their equity portfolio (655th largest holding). The first Alliant Energy trade was made in Q1 2016. Since then Joel Greenblatt bought shares eight more times and sold shares on six occasions. The investor's estimated purchase price is $1.8 Million, resulting in a loss of 9.9%.