Iron Mountain (HAM:I5M) Float Percentage Of Total Shares Outstanding: 73.59% (As of Jul. 15, 2026)

Author: Vera Yuan Vera Yuan
Vera Yuan
Vera Yuan
Director of Data and Quant Analytics at GuruFocus
Focused on building reliable datasets, financial models, and research tools for value-minded investors. Committed to turning complex data into practical guidance for value-investing and long-term wealth.
Reviewed by: Charlie Tian Charlie Tian
Charlie Tian
Charlie Tian
Founder & CEO of GuruFocus
Dr. Charlie Tian is the founder and CEO of GuruFocus.com, a leading global investment research platform established in 2004. With a Ph.D. in physics, Dr. Tian transitioned from science to finance, applying a data-driven, disciplined approach to value investing.

HAM:I5M Iron Mountain Inc HAM:I5M
65 GF Score
Price €107.50
GF Value €94.78
Valuation Modestly Overvalued
! 10 Warning Signs
View Full Analysis

What is Iron Mountain Float Percentage Of Total Shares Outstanding?

Iron Mountain HAM:I5M +2.72% 65 Float Percentage Of Total Shares Outstanding is 73.59% as of Jul. 15, 2026. GuruFocus rates HAM:I5M with a GF Score™ of 65/100 and a GF Value™ of €94.78 (Modestly Overvalued). The stock has 10 warning signs investors should review.

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 shares is 218.95 Mil. Iron Mountain's total shares outstanding is 297.52 Mil. Iron Mountain's float percentage of total shares outstanding is 73.59%.

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 0.00%.

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 61.35%.

HAM:I5M
65GF Score
Iron Mountain Inc HAM:I5M
Float Percentage Of Total Shares Outstanding is just one metric. See GF Score™, valuation, warning signs, and more.
View Full Analysis

Iron Mountain Float Percentage Of Total Shares Outstanding Calculation

It is the percentage of float shares out of the total shares outstanding.

Iron Mountain's Float Percentage of Total Shares Outstanding for today is calculated as follows:

Float Percentage of Total Shares Outstanding=Float Shares/Total Shares Outstanding
=218.95/297.52
=73.59%

* 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.

What does a Float Percentage Of Total Shares Outstanding of 73.59% mean?
Iron Mountain (HAM:I5M) has a Float Percentage Of Total Shares Outstanding of 73.59% as of Jul. 15, 2026. Float percent of shares outstanding equals the percent of float shares relative to total shares. View historical data on Iron Mountain and its competitors.
Is Iron Mountain's Float Percentage Of Total Shares Outstanding too high?
Iron Mountain's current Float Percentage Of Total Shares Outstanding is 73.59%. Overall, Iron Mountain has a GF Score™ of 65/100 and is considered Modestly Overvalued, reflecting its overall financial health beyond just this single metric.
How does Iron Mountain's Float Percentage Of Total Shares Outstanding compare to CCI and SBAC?
Iron Mountain's Float Percentage Of Total Shares Outstanding of 73.59% 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 Float Percentage Of Total Shares Outstanding for a REITs company?
A good Float Percentage Of Total Shares Outstanding depends on the REITs industry context. However, Float Percentage Of Total Shares Outstanding 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 Float Percentage Of Total Shares Outstanding mean?
A high Float Percentage Of Total Shares Outstanding can signal that a stock is expensive relative to its fundamentals. Float percent of shares outstanding equals the percent of float shares relative to total shares. View historical data on Iron Mountain and its competitors. Iron Mountain's current Float Percentage Of Total Shares Outstanding is 73.59%. 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 (HAM:I5M) is currently considered Modestly Overvalued. The stock's GF Value™ is €94.78, compared to a current price of €107.50 — trading 13.4% above its estimated fair value. The current Float Percentage Of Total Shares Outstanding is 73.59%. Iron Mountain's overall GF Score™ is 65/100 with 10 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Float Percentage Of Total Shares Outstanding calculated?
Float Percentage Of Total Shares Outstanding is calculated from a company's financial statements. For Iron Mountain (HAM:I5M), the current Float Percentage Of Total Shares Outstanding is 73.59% as of Jul. 15, 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 (HAM:I5M) Overvalued in 2026?

Based on GuruFocus' analysis, Iron Mountain stock appears to be overvalued. The current stock price of €107.50 is trading 13.4% above its estimated GF Value™ of €94.78. GuruFocus considers Iron Mountain to be Modestly Overvalued.

Key valuation signals for HAM:I5M:

  • Float Percentage Of Total Shares Outstanding: 73.59%
  • GF Value™: €94.78 vs. price of €107.50 (13.4% above fair value)
  • GF Score™: 65/100 with 10 warning signs

No single metric tells the full story. See the HAM:I5M 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.
65GF Score

Get the complete analysis for HAM:I5M

Float Percentage Of Total Shares Outstanding is just one metric. See GF Value™, 30-year financials, guru trades, warning signs, and more.

€107.50
Price
€94.78
GF Value