Donald Yacktman acquired 222k Northrop Grumman shares worth $129M. That's 1.63% of their equity portfolio (28th largest holding). The first Northrop Grumman trade was made in Q1 2021. Since then Donald Yacktman bought shares three more times and sold shares on fourteen occasions. The stake costed the investor $67.4M, netting the investor a gain of 91% so far.