As of December 2025 Watts Water Technologies has a market cap of โฌ8.00 Billion. This makes Watts Water Technologies the world's 2045th 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 22nd, 2025 the market cap of Watts Water Technologies was reported to be: