Donald Yacktman acquired 234 Thousand Northrop Grumman shares worth $116 Million. That's 1.51% of their equity portfolio (27th 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 thirteen occasions. The stake costed the investor $71.1 Million, netting the investor a gain of 63% so far.