As of October 2026 Western Midstream has a market cap of NZ$32.90 Billion. This makes Western Midstream the world's 1225th 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 Oct 3rd, 2026 the market cap of Western Midstream was reported to be: