As of October 2026 Tenaris has a market cap of โฌ25.83 Billion. This makes Tenaris the world's 843th 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 Oct 8th, 2026 the market cap of Tenaris was reported to be: