Joel Greenblatt acquired 89.1 Thousand Vistra shares worth $17.1 Million. That's 0.13% of their equity portfolio (178th largest holding). The first Vistra trade was made in Q2 2017. Since then Joel Greenblatt bought shares eleven more times and sold shares on eleven occasions. The stake costed the investor $4.78 Million, netting the investor a gain of 259% so far.