Jim Simons acquired 348 Thousand CMS Energy shares worth $25.2 Million. That's 0.04% of their equity portfolio (519th largest holding). The first CMS Energy trade was made in Q1 2014. Since then Jim Simons bought shares nineteen more times and sold shares on 22 occasions. The stake costed the investor $21.5 Million, netting the investor a gain of 18% so far.