As of December 2025 Tenaris has a market cap of โฌ18.20 Billion. This makes Tenaris the world's 1057th 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 6th, 2025 the market cap of Tenaris was reported to be: