Jim Simons's position in Alliant Energy is currently worth $13.6 Million. That's 0.02% of their equity portfolio (785th largest holding). The first Alliant Energy trade was made in Q2 2013. Since then Jim Simons bought shares twenty more times and sold shares on nineteen occasions. The stake costed the investor $13.5 Million, netting the investor a gain of 1.0% so far.