As of June 2026 United Rentals has a market cap of โน6.351 Trillion. This makes United Rentals the world's 364th 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 Jun 5th, 2026 the market cap of United Rentals was reported to be: