Jim Simons's position in NRG Energy is currently worth $6.32 Million. That's 0.01% of their equity portfolio (1301st largest holding). The first NRG Energy trade was made in Q3 2013. Since then Jim Simons bought shares thirteen more times and sold shares on sixteen occasions. The stake costed the investor $3.83 Million, netting the investor a gain of 65% so far.