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James Hardie IndustriesJHX -3.25%45 Market Cap is $14,497 Mil as of Jul. 21, 2026. GuruFocus rates JHX with a GF Score™ of 45/100. The stock has 8 warning signs investors should review. Among 417 Building Materials companies, James Hardie Industries ranks better than 97.36% on this metric.
James Hardie Industries's quarterly market cap
increased
from Sep. 2025 ($11,126 Mil) to Dec. 2025 ($12,033 Mil) but then
declined
from Dec. 2025 ($12,033 Mil) to Mar. 2026 ($10,988 Mil).
James Hardie Industries's annual market cap
stayed the same
from Mar. 2024 ($0 Mil) to Mar. 2025 ($0 Mil) but then
increased
from Mar. 2025 ($0 Mil) to Mar. 2026 ($10,988 Mil).
Enterprise Value is the theoretical takeover price. It is more comprehensive than market capitalization (market cap), which only includes common equity. Enterprise Value is calculated as the market cap plus debt and minority interest and preferred shares, minus total cash and cash equivalents. James Hardie Industries's Enterprise Value for Today is $19,013 Mil.
James Hardie Industries (NYSE:JHX) Market Cap Explanation
Market cap is not the real price you pay for a company. If you buy the company and become its owner, you become the owner of the cash the company has, and you also assume the companys debt. The real price you pay is the Enterprise Value.
Warren Buffett uses the ratio of total market cap of all public traded companies over GDP to measure if the market is expensive. As of April 2012, the US total market cap is about $14.7 trillion, while the US GDP is about $15 trillion. The market was modestly overvalued.
James Hardie Industries Market Cap Related Terms
James Hardie Industries Market Cap Historical Data
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
For the Building Materials subindustry, James Hardie Industries's Market Cap, along with its competitors' market caps and Market Cap data, can be viewed below:
* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.
James Hardie Industries Market Cap vs Building Materials Industry
For the Building Materials industry and Basic Materials sector, James Hardie Industries's Market Cap distribution charts can be found below:
* The bar in red indicates where James Hardie Industries's Market Cap falls into.
Market cap is the short version of market capitalization. It is the total market value to buy the whole company. It is equal to the share price times the number of shares outstanding.
James Hardie Industries's Market Cap for the fiscal year that ended in Mar. 2026 is calculated as
* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD. * For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.
James Hardie Industries (JHX) has a Market Cap of $14,497 Mil as of Jul. 21, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on James Hardie Industries and its competitors. According to the industry distribution chart, James Hardie Industries ranks #11 out of 417 companies in the Building Materials industry, placing it in the top 2.6%.
Is James Hardie Industries' Market Cap too high?
James Hardie Industries' current Market Cap is $14,497 Mil. The Building Materials industry median Market Cap is 184.72. James Hardie Industries' value of $14,497 Mil is 7748.3% above this industry median. Based on the distribution chart, James Hardie Industries ranks #11 out of 417 companies in the Building Materials industry, which is in the top quartile — a strong position relative to peers. Overall, James Hardie Industries has a GF Score™ of 45/100, reflecting its overall financial health beyond just this single metric.
How does James Hardie Industries' Market Cap compare to EXP and KNF?
According to the Building Materials industry distribution chart, James Hardie Industries ranks #11 out of 417 companies for Market Cap. This places James Hardie Industries in the top 3% of its industry — outperforming the majority of peers. The industry median Market Cap is 184.72. James Hardie Industries' value of $14,497 Mil is 7748.3% above this benchmark. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Market Cap for a Building Materials company?
The median Market Cap among Building Materials companies is 184.72, based on 417 companies in the industry. Companies in the top quartile (top 25%) have a Market Cap significantly above this median, while those in the bottom quartile fall well below. However, Market Cap should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. James Hardie Industries's current Market Cap of $14,497 Mil is 7748.3% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Market Cap mean?
A high Market Cap can signal that a stock is expensive relative to its fundamentals. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on James Hardie Industries and its competitors. For the Building Materials industry, the median Market Cap is 184.72 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. James Hardie Industries's current Market Cap is $14,497 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is James Hardie Industries stock overvalued right now?
James Hardie Industries (JHX) has a current Market Cap of $14,497 Mil. The current Market Cap is $14,497 Mil and 7748.3% above the Building Materials industry median of 184.72. James Hardie Industries' overall GF Score™ is 45/100 with 8 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Market Cap calculated?
Market Cap is calculated from a company's financial statements. For James Hardie Industries (JHX), the current Market Cap is $14,497 Mil as of Jul. 21, 2026. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.
James Hardie is a manufacturer of fiber cement-based building products, selling primarily to the residential construction industry. North America is the primary geography, generating about 80% of group earnings. Here, it is the largest manufacturer of fiber cement, which is mainly used for exterior siding on houses. Following the Azek acquisition in 2025, it also produces wooden composite decking materials, siding trims, and accessories for outdoor areas including stair and deck railing. Businesses in Australia, New Zealand, and Europe, make up the rest of earnings.
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