Jim Simons acquired 75 Thousand Vistra shares worth $5.15 Million. That's 0.01% of their equity portfolio (1267th largest holding). The first Vistra trade was made in Q4 2017. Since then Jim Simons bought shares eleven more times and sold shares on eleven occasions. The stake costed the investor $1.91 Million, netting the investor a gain of 170% so far.