As of September 2026 Tenaris has a market cap of A$39.82 Billion. This makes Tenaris the world's 863th 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 Sep 20th, 2026 the market cap of Tenaris was reported to be: