As of December 2025 James Hardie Industries has a market cap of โน993.57 Billion. This makes James Hardie Industries the world's 1790th 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 9th, 2025 the market cap of James Hardie Industries was reported to be: