As of February 2026 Diamondback Energy has a market cap of โฌ42.26 Billion. This makes Diamondback Energy the world's 494th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Feb 23rd, 2026 the market cap of Diamondback Energy was reported to be: