Donald Yacktman acquired 332 Thousand Lockheed Martin shares worth $155 Million. That's 1.38% of their equity portfolio (28th largest holding). The first Lockheed Martin trade was made in Q1 2021. Since then Donald Yacktman bought shares three more times and sold shares on nine occasions. The stake costed the investor $114 Million, netting the investor a gain of 36% so far.