As of December 2025 First Solar has a market cap of โน2.569 Trillion. This makes First Solar the world's 822th 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 21st, 2025 the market cap of First Solar was reported to be: