Iron MountainIRM +1.05%85 PEG Ratio is 11.88 as of Jun. 28, 2026, which is 112% above its 10-year median of 5.60. GuruFocus rates IRM with a GF Score™ of 85/100 and a GF Value™ of $107.52 (Modestly Overvalued). The stock has 10 warning signs investors should review. Among 279 REITs companies, Iron Mountain ranks worse than 79.93% on this metric.
* The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.
The historical rank and industry rank for Iron Mountain's PEG Ratio or its related term are showing as below:
IRM'
s PEG Ratio Range Over the Past 10 Years
Min: 2.4 Med: 5.6 Max: 58.43
Current: 11.88
During the past 13 years, Iron Mountain's highest PEG Ratio was 58.43. The lowest was 2.40. And the median was 5.60.
IRM's PEG Ratio is ranked worse than 79.93% of 279
companies
in the REITs industry
Industry Median: 3.26
vs IRM: 11.88
Peter Lynch thinks a company with a P/E ratio equal to its growth rate is fairly valued.
Iron Mountain (NYSE:IRM) PEG Ratio Explanation
To compare stocks with different growth rates, Peter Lynch invented a ratio called PEG Ratio. PEG Ratio is defined as the P/E ratio divided by the growth ratio. He thinks a company with a P/E ratio equal to its growth rate is fairly valued. Still he said he would rather buy a company growing 20% a year with a P/E of 20, instead of a company growing 10% a year with a P/E of 10.
Iron Mountain PEG Ratio Related Terms
Iron Mountain PEG Ratio Historical Data
* Premium members only.
The historical data trend for Iron Mountain's PEG Ratio 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 PEG Ratio, along with its competitors' market caps and PEG Ratio 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 PEG Ratio vs REITs Industry
For the REITs industry and Real Estate sector, Iron Mountain's PEG Ratio distribution charts can be found below:
* The bar in red indicates where Iron Mountain's PEG Ratio falls into.
* 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.
* Note: The 5-Year EBITDA Growth Rate is the 5-year average EBITDA per share growth rate. While the denominator is a percentage, we use the whole number as opposed to the decimal form for the calculation. For example, 5% would be shown as 5 as opposed to 0.05. If it's smaller than or equal to 0, then the PEG Ratio is not calculated.
Iron Mountain (IRM) has a PEG Ratio of 11.88 as of Jun. 28, 2026. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on Iron Mountain and its competitors. This is 112% above median its historical median of 5.60. Over the past decade, Iron Mountain's PEG Ratio has ranged from 2.40 to 58.43. According to the industry distribution chart, Iron Mountain ranks #223 out of 279 companies in the REITs industry, placing it in the top 79.9%.
Is Iron Mountain's PEG Ratio too high?
Iron Mountain's current PEG Ratio of 11.88 is 112% above median its 10-year median of 5.60. Over the past 10 years, this metric has ranged from a low of 2.40 to a high of 58.43. The REITs industry median PEG Ratio is 3.26. Iron Mountain's value of 11.88 is 264.4% above this industry median. Based on the distribution chart, Iron Mountain ranks #223 out of 279 companies in the REITs industry, which is in the bottom quartile relative to peers. Overall, Iron Mountain has a GF Score™ of 85/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Iron Mountain's PEG Ratio compare to CCI and SBAC?
According to the REITs industry distribution chart, Iron Mountain ranks #223 out of 279 companies for PEG Ratio. This places Iron Mountain in the lower half of its industry. The industry median PEG Ratio is 3.26. Iron Mountain's value of 11.88 is 264.4% above this benchmark. Historically, Iron Mountain's own PEG Ratio has ranged from 2.40 to 58.43 over the past decade. While the company's 10-year median is 5.60 vs. the industry median of 3.26, Iron Mountain has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good PEG Ratio for a REITs company?
The median PEG Ratio among REITs companies is 3.26, based on 279 companies in the industry. Companies in the top quartile (top 25%) have a PEG Ratio significantly above this median, while those in the bottom quartile fall well below. However, PEG Ratio should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. Iron Mountain's current PEG Ratio of 11.88 is 264.4% 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 PEG Ratio mean?
A high PEG Ratio can signal that a stock is expensive relative to its fundamentals. Price-earnings to growth ratio is the ratio of price-earnings to a company's earnings growth rate. View historical data on Iron Mountain and its competitors. For the REITs industry, the median PEG Ratio is 3.26 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. Iron Mountain's current PEG Ratio is 11.88, which is 112% above median its own 10-year median of 5.60. 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?
Based on GuruFocus' analysis, Iron Mountain (IRM) is currently considered Modestly Overvalued. The stock's GF Value™ is $107.52, compared to a current price of $132.44 — trading 23.2% above its estimated fair value. The current PEG Ratio is 11.88, which is 112% above median its 10-year median of 5.60 and 264.4% above the REITs industry median of 3.26. Iron Mountain's overall GF Score™ is 85/100 with 10 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is PEG Ratio calculated?
PEG Ratio is calculated from a company's financial statements. For Iron Mountain (IRM), the current PEG Ratio is 11.88 as of Jun. 28, 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 (IRM) Overvalued in 2026?
Based on GuruFocus' analysis, Iron Mountain stock appears to be overvalued.
The current stock price of $132.44 is trading 23.2% above its estimated GF Value™ of $107.52.
GuruFocus considers Iron Mountain to be Modestly Overvalued.
Key valuation signals for IRM:
PEG Ratio: 11.88 (112% above median its 10-year median of 5.60)
GF Value™: $107.52 vs. price of $132.44 (23.2% above fair value)
Industry Position: 264.4% above the REITs median (#223 of 279)
No single metric tells the full story. See the IRM 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.
85GF Score
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