As of January 2026 Westamerica Bancorporation has a market cap of โน116.78 Billion. This makes Westamerica Bancorporation the world's 5608th 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 Jan 21st, 2026 the market cap of Westamerica Bancorporation was reported to be: