As of December 2025 Western Midstream has a market cap of โน1.455 Trillion. This makes Western Midstream the world's 1336th 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 Dec 12th, 2025 the market cap of Western Midstream was reported to be: