Jim Simons acquired 301 Thousand CMS Energy shares worth $18.9 Million. That's 0.03% of their equity portfolio (654th largest holding). The first CMS Energy trade was made in Q1 2014. Since then Jim Simons bought shares seventeen more times and sold shares on 21 occasions. The stake costed the investor $17.1 Million, netting the investor a gain of 11% so far.