Ken Griffin's position in Southwestern Energy Company is currently worth $6.05 Million. That's 0.01% of their equity portfolio (1398th largest holding). The first Southwestern Energy Company trade was made in Q2 2013. Since then Ken Griffin bought shares 47 more times and sold shares on 52 occasions. The stake costed the investor $5.14 Million, netting the investor a gain of 18% so far.