IRM (Iron Mountain) FFO: $1,392 Mil (TTM As of Mar. 2026)


IRM Iron Mountain Inc IRM
85 GF Score
Price $130.59
GF Value $107.45
Valuation Modestly Overvalued
! 10 Warning Signs
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What is Iron Mountain FFO?

Iron Mountain IRM -1.86% 85 FFO is $1,392 Mil as of Mar. 2026. GuruFocus rates IRM with a GF Score™ of 85/100 and a GF Value™ of $107.45 (Modestly Overvalued). The stock has 10 warning signs investors should review.

FFO (Funds from operations) is a measure of cash generated by by real estate investment trusts (REITs).

Iron Mountain's FFO (Funds from operations) for the three months ended in Mar. 2026 was $427 Mil.

Iron Mountain FFO Historical Data

* Premium members only.

The historical data trend for Iron Mountain's FFO 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.

Iron Mountain FFO Chart

Iron Mountain Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
FFO
Get a 7-Day Free Trial Premium Member Only Premium Member Only 796.17 1,279.36 1,002.43 1,112.84 1,226.44

Iron Mountain Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
FFO Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only Premium Member Only 261.53 214.49 358.62 391.80 427.14
IRM
85GF Score
Iron Mountain Inc IRM
FFO is just one metric. See GF Score™, valuation, warning signs, and more.
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Iron Mountain FFO Calculation

FFO (Funds from operations) is a measure of cash generated by by real estate investment trusts (REITs). It is different from Cash Flow from Operations.

GuruFocus' FFO (Funds from operations) data is provided directly by our data vendor. Instead of collecting data from a company's financial reports, the vendor calculates FFO based on its own methodology.

FFO for the trailing twelve months (TTM) ended in Mar. 2026 adds up the quarterly data reported by the company within the most recent 12 months, which was $1,392 Mil.

* 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.

Frequently Asked Questions Learn more about FFO →
What does a FFO of $1,392 Mil mean?
Iron Mountain (IRM) has a FFO of $1,392 Mil as of Mar. 2026. Funds from Operations represent the total amount of cash a REIT generates through its operations. View historical data for Iron Mountain and its competitors.
Is Iron Mountain's FFO too high?
Iron Mountain's current FFO is $1,392 Mil. 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 FFO compare to CCI and SBAC?
Iron Mountain's FFO of $1,392 Mil can be compared against companies in the REITs industry. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good FFO for a REITs company?
A good FFO depends on the REITs industry context. However, FFO 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 FFO mean?
A high FFO can signal that a stock is expensive relative to its fundamentals. Funds from Operations represent the total amount of cash a REIT generates through its operations. View historical data for Iron Mountain and its competitors. Iron Mountain's current FFO is $1,392 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?
Based on GuruFocus' analysis, Iron Mountain (IRM) is currently considered Modestly Overvalued. The stock's GF Value™ is $107.45, compared to a current price of $130.59 — trading 21.5% above its estimated fair value. The current FFO is $1,392 Mil. 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 FFO calculated?
FFO is calculated from a company's financial statements. For Iron Mountain (IRM), the current FFO is $1,392 Mil as of Mar. 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 $130.59 is trading 21.5% above its estimated GF Value™ of $107.45. GuruFocus considers Iron Mountain to be Modestly Overvalued.

Key valuation signals for IRM:

  • FFO: $1,392 Mil
  • GF Value™: $107.45 vs. price of $130.59 (21.5% above fair value)
  • GF Score™: 85/100 with 10 warning signs

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 Business Description

Industry Real EstateREITs
Address 85 New Hampshire Avenue, Suite 150, Portsmouth, NH, USA, 03801
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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FFO is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$130.59
Price
$107.45
GF Value