Jim Simons's position in DTE Energy is currently worth $16.3 Million. That's 0.02% of their equity portfolio (694th largest holding). The first DTE Energy trade was made in Q2 2013. Since then Jim Simons bought shares twenty more times and sold shares on 21 occasions. The stake costed the investor $15.1 Million, netting the investor a gain of 7.5% so far.