Joel Greenblatt acquired 13.9 Thousand Diamondback Energy shares worth $2.75 Million. That's 0.04% of their equity portfolio (536th largest holding). The first Diamondback Energy trade was made in Q1 2021. Since then Joel Greenblatt bought shares five more times and sold shares on six occasions. The stake costed the investor $2.29 Million, netting the investor a gain of 20% so far.