IRM (Iron Mountain) Long-Term Debt: $16,886 Mil (As of Mar. 2026)


IRM Iron Mountain Inc IRM
86 GF Score
Price $117.16
GF Value $107.79
Valuation Fairly Valued
! 7 Warning Signs
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What is Iron Mountain Long-Term Debt?

Iron Mountain IRM -3.89% 86 Long-Term Debt is $16,886 Mil as of Mar. 2026. GuruFocus rates IRM with a GF Score™ of 86/100 and a GF Value™ of $107.79 (Fairly Valued). The stock has 7 warning signs investors should review.

Iron Mountain's Long-Term Debt for the quarter that ended in Mar. 2026 was $16,886 Mil.

Iron Mountain's quarterly Long-Term Debt increased from Sep. 2025 ($15,494 Mil) to Dec. 2025 ($16,216 Mil) and increased from Dec. 2025 ($16,216 Mil) to Mar. 2026 ($16,886 Mil).

Iron Mountain's annual Long-Term Debt increased from Dec. 2023 ($11,813 Mil) to Dec. 2024 ($13,004 Mil) and increased from Dec. 2024 ($13,004 Mil) to Dec. 2025 ($16,216 Mil).

Iron Mountain  (NYSE:IRM) Long-Term Debt Explanation

Long-Term Debt is the sum of the carrying values as of the balance sheet date of all long-term debt, which is debt initially having maturities due after one year or beyond the operating cycle, if longer, but excluding the portions thereof scheduled to be repaid within one year or the normal operating cycle, if longer. Long-Term Debt includes notes payable, bonds payable, mortgage loans, convertible debt, subordinated debt and other types of long term debt.

Iron Mountain Long-Term Debt Related Terms

Iron Mountain Long-Term Debt Historical Data

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The historical data trend for Iron Mountain's Long-Term Debt 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 Long-Term Debt Chart

Iron Mountain Annual Data
Trend Dec16 Dec17 Dec18 Dec19 Dec20 Dec21 Dec22 Dec23 Dec24 Dec25
Long-Term Debt
Get a 7-Day Free Trial Premium Member Only Premium Member Only 8,962.51 10,481.45 11,812.50 13,003.98 16,215.89

Iron Mountain Quarterly Data
Jun21 Sep21 Dec21 Mar22 Jun22 Sep22 Dec22 Mar23 Jun23 Sep23 Dec23 Mar24 Jun24 Sep24 Dec24 Mar25 Jun25 Sep25 Dec25 Mar26
Long-Term Debt 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 14,177.47 14,818.18 15,494.24 16,215.89 16,886.02
IRM
86GF Score
Iron Mountain Inc IRM
Long-Term Debt is just one metric. See GF Score™, valuation, warning signs, and more.
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Frequently Asked Questions Learn more about Long-Term Debt →
What does a Long-Term Debt of $16,886 Mil mean?
Iron Mountain (IRM) has a Long-Term Debt of $16,886 Mil as of Mar. 2026.
Is Iron Mountain's Long-Term Debt too high?
Iron Mountain's current Long-Term Debt is $16,886 Mil. Overall, Iron Mountain has a GF Score™ of 86/100 and is considered Fairly Valued, reflecting its overall financial health beyond just this single metric.
How does Iron Mountain's Long-Term Debt compare to CCI and SBAC?
Iron Mountain's Long-Term Debt of $16,886 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 Long-Term Debt for a REITs company?
A good Long-Term Debt depends on the REITs industry context. However, Long-Term Debt 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 Long-Term Debt mean?
A high Long-Term Debt can signal that a stock is expensive relative to its fundamentals. Iron Mountain's current Long-Term Debt is $16,886 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 Fairly Valued. The stock's GF Value™ is $107.79, compared to a current price of $117.16 — trading 8.7% above its estimated fair value. The current Long-Term Debt is $16,886 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 Long-Term Debt calculated?
Long-Term Debt is calculated from a company's financial statements. For Iron Mountain (IRM), the current Long-Term Debt is $16,886 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 $117.16 is trading 8.7% above its estimated GF Value™ of $107.79. GuruFocus considers Iron Mountain to be Fairly Valued.

Key valuation signals for IRM:

  • Long-Term Debt: $16,886 Mil
  • GF Value™: $107.79 vs. price of $117.16 (8.7% above fair value)
  • GF Score™: 86/100 with 7 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.
86GF Score

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Long-Term Debt is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$117.16
Price
$107.79
GF Value