Ken Griffin's position in Northrop Grumman is currently worth $157 Million. That's 0.16% of their equity portfolio (134th largest holding). The first Northrop Grumman trade was made in Q2 2013. Since then Ken Griffin bought shares 55 more times and sold shares on 44 occasions. The stake costed the investor $126 Million, netting the investor a gain of 24% so far.