As of September 2026 Western Alliance Bancorporation has a market cap of โน821.57 Billion. This makes Western Alliance Bancorporation the world's 2259th 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 Sep 18th, 2026 the market cap of Western Alliance Bancorporation was reported to be: