Ken Griffin acquired 111 Thousand Valero Energy shares worth $12 Million. That's 0.01% of their equity portfolio (1091st largest holding). The first Valero Energy trade was made in Q2 2013. Since then Ken Griffin bought shares 50 more times and sold shares on 40 occasions. The stake costed the investor $7.86 Million, netting the investor a gain of 52% so far.