Donald Yacktman acquired 1.05M Diamondback Energy shares worth $150M. That's 1.89% of their equity portfolio (23rd largest holding). The first Diamondback Energy trade was made in Q3 2022. Since then Donald Yacktman bought shares six more times and sold shares on five occasions. The stake costed the investor $138M, netting the investor a gain of 8.4% so far.