Diamondback Energy, Inc. is an American company engaged in hydrocarbon exploration headquartered in Midland, Texas.

[2][3] The company began operations in December 2007 with the acquisition of 4,174 net acres in the Permian Basin.

[4][5] In March 2017, the company acquired assets from Brigham Resources for $2.55 billion.

[6][7] In October 2018, the company acquired the assets of Ajax Resources for $1.25 billion.

[15] In January 2024, a class action lawsuit was filed accusing Diamondback, along with seven other US oil and gas producers, of an illegal price-fixing scheme to constrain production of shale oil, allegedly leading to drivers in the US paying more for gasoline than they would have in a competitive market.