Jim Simons acquired 644 Thousand CMS Energy shares worth $44.5 Million. That's 0.07% of their equity portfolio (349th largest holding). The first CMS Energy trade was made in Q1 2014. Since then Jim Simons bought shares twenty more times and sold shares on 22 occasions. The stake costed the investor $40.9 Million, netting the investor a gain of 8.7% so far.