As of December 2025 Generac Power Systems has a market cap of โน855.79 Billion. This makes Generac Power Systems the world's 2007th 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 5th, 2025 the market cap of Generac Power Systems was reported to be: