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). Iron Mountain's share price for the quarter that ended in Mar. 2026 was MXN1964.06. Iron Mountain's Shares Outstanding (EOP) for the quarter that ended in Mar. 2026 was 297 Mil. Therefore, Iron Mountain's market cap for the quarter that ended in Mar. 2026 was MXN584,267 Mil.
Iron Mountain's quarterly market cap
increased
from Sep. 2025 (MXN554,196 Mil) to Dec. 2025 (MXN580,947 Mil) and
increased
from Dec. 2025 (MXN580,947 Mil) to Mar. 2026 (MXN584,267 Mil).
Iron Mountain's annual market cap
increased
from Dec. 2023 (MXN305,289 Mil) to Dec. 2024 (MXN682,897 Mil) but then
declined
from Dec. 2024 (MXN682,897 Mil) to Dec. 2025 (MXN580,947 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. Iron Mountain's Enterprise Value for Today is MXN951,837 Mil.
Iron Mountain (MEX:IRM1) 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.
Iron Mountain Market Cap Related Terms
Iron Mountain Market Cap Historical Data
* Premium members only.
The historical data trend for Iron Mountain'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 REIT - Specialty subindustry, Iron Mountain'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.
Iron Mountain Market Cap vs REITs Industry
For the REITs industry and Real Estate sector, Iron Mountain's Market Cap distribution charts can be found below:
* The bar in red indicates where Iron Mountain'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.
Iron Mountain'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.
Iron Mountain (MEX:IRM1) has a Market Cap of MXN610,681 Mil as of Jul. 06, 2026. Market cap equals the total value of a company's shares: price times shares outstanding. View historical data on Iron Mountain and its competitors. According to the industry distribution chart, Iron Mountain ranks #11 out of 980 companies in the REITs industry, placing it in the top 1.1%.
Is Iron Mountain's Market Cap too high?
Iron Mountain's current Market Cap is MXN610,681 Mil. Based on the distribution chart, Iron Mountain ranks #11 out of 980 companies in the REITs industry, which is in the top quartile — a strong position relative to peers. Overall, Iron Mountain has a GF Score™ of 86/100, reflecting its overall financial health beyond just this single metric.
How does Iron Mountain's Market Cap compare to CCI and SBAC?
According to the REITs industry distribution chart, Iron Mountain ranks #11 out of 980 companies for Market Cap. This places Iron Mountain in the top 1% of its industry — outperforming the majority of peers. The industry median Market Cap is 280.96. 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 REITs company?
The median Market Cap among REITs companies is 280.96, based on 980 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 Iron Mountain and its competitors. For the REITs industry, the median Market Cap is 280.96 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Iron Mountain's current Market Cap is MXN610,681 Mil. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is Iron Mountain stock overvalued right now?
Iron Mountain (MEX:IRM1) has a current Market Cap of MXN610,681 Mil. The stock's GF Value™ is MXN1,806.98, compared to a current price of MXN1,964.06 — trading 8.7% above its estimated fair value. The current Market Cap is MXN610,681 Mil. Iron Mountain's overall GF Score™ is 86/100 with 7 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 Iron Mountain (MEX:IRM1), the current Market Cap is MXN610,681 Mil as of Jul. 06, 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 Iron Mountain (MEX:IRM1) Overvalued in 2026?
Based on GuruFocus' analysis, Iron Mountain stock appears to be overvalued.
The current stock price of MXN1,964.06 is trading 8.7% above its estimated GF Value™ of MXN1,806.98.
Key valuation signals for MEX:IRM1:
Market Cap: MXN610,681 Mil
GF Value™: MXN1,806.98 vs. price of MXN1,964.06 (8.7% above fair value)
No single metric tells the full story. See the MEX:IRM1 stock analysis page for a complete view including 30-year financials, guru trades, and insider activity.
Iron Mountain Inc is an information management services provider organized and operated as a real estate investment trust. The company offers solutions to its clients to address their information management, digital transformation, information security, data center, and asset lifecycle management (ALM) needs. Its customers come from various industries, including commercial, legal, financial, healthcare, technology, etc. The company has two reportable segments: Global Records and Information Management (Global RIM) and Global Data Center. Maximum revenue is generated from the Global RIM segment, which offers data and records management, secure shredding, consumer storage, and other related services. Geographically, the company generates maximum revenue from the United States.
86GF Score
Get the complete analysis for MEX:IRM1
Market Cap is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.
Quick Browse
Personalize
Premium Gurus 
Create New Portfolio
MEX:IRM1 has been successfully added to your 
