Ken Griffin acquired 106 Thousand Supernus Pharmaceuticals shares worth $2.92 Million. That's 0.0% of their equity portfolio (2297th largest holding). The first Supernus Pharmaceuticals trade was made in Q2 2013. Since then Ken Griffin bought shares 40 more times and sold shares on 35 occasions. The stake costed the investor $2.6 Million, netting the investor a gain of 12% so far.