Diamondback Energy Inc. operates oil and gas fields with assets in Texas. Subsidiaries include Rattler Midstream and Viper Energy. Ordinary shares for Diamondback (FANG) as well as common units for Rattler (RTLR) and Viper (VNOM) are listed on the Nasdaq exchange.
Alabama Gas was spun off from Southern Natural Gas (SONAT) in 1953 and renamed Energen in 1985. Diamondback was formed in 2007 and completed a public offering in 2012. Diamondback acquired Brigham Resources in 2017 and Energen in 2018. Rattler was formed in 2018. The company acquired Guidon Energy in February 2021 followed by QEP Resources in March 2021.