Rio TintoCHIX:RIOL +0.83%76 Market Cap is £116,862 Mil as of Jun. 26, 2026. GuruFocus rates CHIX:RIOL with a GF Score™ of 76/100 and a GF Value™ of £52.82 (Significantly Overvalued). The stock has 8 warning signs investors should review. Among 2,688 Metals & Mining companies, Rio Tinto ranks better than 99.89% on this metric.
Market cap is the total market value to buy the whole company. It is equal to the share price times the number of Shares Outstanding (EOP). Rio Tinto's share price for the quarter that ended in Dec. 2025 was £59.8. Rio Tinto's Shares Outstanding (EOP) for the quarter that ended in Dec. 2025 was 1,625 Mil. Therefore, Rio Tinto's market cap for the quarter that ended in Dec. 2025 was £97,162 Mil.
Rio Tinto's quarterly market cap
declined
from Dec. 2024 (£76,607 Mil) to Jun. 2025 (£69,089 Mil) but then
increased
from Jun. 2025 (£69,089 Mil) to Dec. 2025 (£97,162 Mil).
Rio Tinto's annual market cap
declined
from Dec. 2023 (£94,968 Mil) to Dec. 2024 (£76,607 Mil) but then
increased
from Dec. 2024 (£76,607 Mil) to Dec. 2025 (£97,162 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. Rio Tinto's Enterprise Value for Today is £132,668 Mil.
Rio Tinto (CHIX:RIOl) 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.
Rio Tinto Market Cap Related Terms
Rio Tinto Market Cap Historical Data
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The historical data trend for Rio Tinto's Market Cap can be seen below:
* 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 Other Industrial Metals & Mining subindustry, Rio Tinto'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.
Rio Tinto Market Cap vs Metals & Mining Industry
For the Metals & Mining industry and Basic Materials sector, Rio Tinto's Market Cap distribution charts can be found below:
* The bar in red indicates where Rio Tinto'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.
Rio Tinto's Market Cap for the fiscal year that ended in Dec. 2025 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.
Rio Tinto (CHIX:RIOL) has a Market Cap of £116,862 Mil as of Jun. 26, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Rio Tinto and its competitors. According to the industry distribution chart, Rio Tinto ranks #3 out of 2688 companies in the Metals & Mining industry, placing it in the top 0.099999999999994%.
Is Rio Tinto's Market Cap too high?
Rio Tinto's current Market Cap is £116,862 Mil. Based on the distribution chart, Rio Tinto ranks #3 out of 2688 companies in the Metals & Mining industry, which is in the top quartile — a strong position relative to peers. Overall, Rio Tinto has a GF Score™ of 76/100 and is considered Significantly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Rio Tinto's Market Cap compare to competitors?
According to the Metals & Mining industry distribution chart, Rio Tinto ranks #3 out of 2688 companies for Market Cap. This places Rio Tinto in the top 0% of its industry — outperforming the majority of peers. The industry median Market Cap is 21.64. 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 Metals & Mining company?
The median Market Cap among Metals & Mining companies is 21.64, based on 2,688 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. 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 Rio Tinto and its competitors. For the Metals & Mining industry, the median Market Cap is 21.64 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Rio Tinto's current Market Cap is £116,862 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Rio Tinto stock overvalued right now?
Based on GuruFocus' analysis, Rio Tinto (CHIX:RIOL) is currently considered Significantly Overvalued. The stock's GF Value™ is £52.82, compared to a current price of £71.98 — trading 36.3% above its estimated fair value. The current Market Cap is £116,862 Mil. Rio Tinto's overall GF Score™ is 76/100 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 Rio Tinto (CHIX:RIOL), the current Market Cap is £116,862 Mil as of Jun. 26, 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.
Is Rio Tinto (CHIX:RIOL) Overvalued in 2026?
Based on GuruFocus' analysis, Rio Tinto stock appears to be overvalued.
The current stock price of £71.98 is trading 36.3% above its estimated GF Value™ of £52.82.
GuruFocus considers Rio Tinto to be Significantly Overvalued.
Key valuation signals for CHIX:RIOL:
Market Cap: £116,862 Mil
GF Value™: £52.82 vs. price of £71.98 (36.3% above fair value)
No single metric tells the full story. See the CHIX:RIOL stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Rio Tinto is a global diversified miner. Iron ore is its major commodity, with lesser contributions from copper and aluminum. Lithium, diamonds, gold, and industrial minerals are more minor contributors. The 1995 merger of RTZ and CRA, via a dual-listed structure, created the present-day company. The two operate as a single business entity, with shareholders in each company having equivalent economic and voting rights. Major assets included the Pilbara iron ore operations, a 30% stake in the Escondida copper mine, 66%-ownership of the Oyu Tolgoi copper mine in Mongolia, the Weipa and Gove bauxite mines in Australia, and six hydro-powered aluminum smelters in Canada.
76GF Score
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