Donald Yacktman acquired 1.05 Million Diamondback Energy shares worth $143 Million. That's 1.97% 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 four occasions. The stake costed the investor $139 Million, netting the investor a gain of 3.4% so far.