As of January 2026 Generac Power Systems has a market cap of $8.96 Billion USD. This makes Generac Power Systems the world's 2144th 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 10th, 2026 the market cap of Generac Power Systems was reported to be: