Donald Yacktman acquired 406 Thousand Northrop Grumman shares worth $194 Million. That's 1.67% of their equity portfolio (23rd 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 eight occasions. The stake costed the investor $123 Million, netting the investor a gain of 57% so far.