IRM (Iron Mountain) Institutional Ownership: 100.95% (As of Jul. 11, 2026)


IRM Iron Mountain Inc IRM
85 GF Score
Price $121.51
GF Value $108.02
Valuation Modestly Overvalued
! 9 Warning Signs
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What is Iron Mountain Institutional Ownership?

Iron Mountain IRM +1.70% 85 Institutional Ownership is 100.95% as of Jul. 11, 2026. GuruFocus rates IRM with a GF Score™ of 85/100 and a GF Value™ of $108.02 (Modestly Overvalued). The stock has 9 warning signs investors should review.

Institutional ownership is the percentage of shares that are owned by institutions out of the total shares outstanding. As of today, Iron Mountain's institutional ownership is 100.95%.

Insider Ownership is the percentage of shares that are owned by company insiders relative to the total shares outstanding. As of today, Iron Mountain's Insider Ownership is 2.03%.

Float Percentage Of Total Shares Outstanding is the percentage of float shares relative to the total shares outstanding. As of today, Iron Mountain's Float Percentage Of Total Shares Outstanding is 73.59%.

Iron Mountain Institutional Ownership Historical Data

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The historical data trend for Iron Mountain's Institutional Ownership 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 Institutional Ownership Chart

Iron Mountain Historical Data

The historical data trend for Iron Mountain can be seen below:

2025-09-30 2025-10-31 2025-11-30 2025-12-31 2026-01-31 2026-02-28 2026-03-31 2026-04-30 2026-05-31 2026-06-30
Institutional Ownership 61.89 61.75 62.29 62.89 62.41 63.15 61.70 60.82 61.16 61.35
IRM
85GF Score
Iron Mountain Inc IRM
Institutional Ownership is just one metric. See GF Score™, valuation, warning signs, and more.
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Iron Mountain Institutional Ownership Calculation

The percentage of shares that are owned by institutions out of the total shares outstanding.

What does a Institutional Ownership of 100.95% mean?
Iron Mountain (IRM) has a Institutional Ownership of 100.95% as of Jul. 11, 2026. Institutional ownership equals the percent of shares owned by financial institutions relative to total shares. View historical data on Iron Mountain and its competitors.
Is Iron Mountain's Institutional Ownership too high?
Iron Mountain's current Institutional Ownership is 100.95%. 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 Institutional Ownership compare to CCI and SBAC?
Iron Mountain's Institutional Ownership of 100.95% 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 Institutional Ownership for a REITs company?
A good Institutional Ownership depends on the REITs industry context. However, Institutional Ownership 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 Institutional Ownership mean?
A high Institutional Ownership can signal that a stock is expensive relative to its fundamentals. Institutional ownership equals the percent of shares owned by financial institutions relative to total shares. View historical data on Iron Mountain and its competitors. Iron Mountain's current Institutional Ownership is 100.95%. 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 $108.02, compared to a current price of $121.51 — trading 12.5% above its estimated fair value. The current Institutional Ownership is 100.95%. Iron Mountain's overall GF Score™ is 85/100 with 9 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Institutional Ownership calculated?
Institutional Ownership is calculated from a company's financial statements. For Iron Mountain (IRM), the current Institutional Ownership is 100.95% as of Jul. 11, 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 $121.51 is trading 12.5% above its estimated GF Value™ of $108.02. GuruFocus considers Iron Mountain to be Modestly Overvalued.

Key valuation signals for IRM:

  • Institutional Ownership: 100.95%
  • GF Value™: $108.02 vs. price of $121.51 (12.5% above fair value)
  • GF Score™: 85/100 with 9 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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Institutional Ownership is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

$121.51
Price
$108.02
GF Value