As of December 2025 Tenaris has a market cap of โน1.766 Trillion. This makes Tenaris the world's 1143th 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 24th, 2025 the market cap of Tenaris was reported to be: