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Wall Street Numbers
Iron Mountain Incorporated company logo
Iron Mountain Incorporated logo

Iron Mountain Incorporated (IRM) Shares Outstanding

Shares Outstanding

295.59M199.11K-0.07%

Summary

As of today, IRM has 295.59M outstanding shares, down -0.07% on
IRM shares outstanding is up +0.63% year-over-year, up +1.38% over the past 3 years
IRM shares outstanding is currently -0.07% below its historical high of 295.79M set on
IRM shares outstanding is +1.38% above its 3-year low of 291.57M reached on

Chart

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Series
SUGGESTED SERIES

Performance

IRM Performance
MetricDateValue1Y3Y5Y
Shares Outstanding295.59M+0.6%+1.4%+2.5%
Price$107.38+24.2%+109.2%+191.2%
Market Cap$32B+25.0%+112.6%+198.5%
PE Ratio221.77+55.7%+722.6%+613.5%
TTM Revenue$6.90B+12.2%+35.2%+66.4%
TTM EPS$0.48-20.2%-74.6%-59.2%
$50.64B+21.7%+80.3%+136.2%
TTM Net Income$152.25M-17.1%-72.9%-44.9%
TTM Dividend Per Share$3.22+17.9%+30.1%+30.1%

Highs

IRM Shares Outstanding Highs Comparison
PeriodHighDateCurrent
1Y295.79M-0.1%
3Y295.79M-0.1%
5Y295.79M-0.1%
All295.79M-0.1%

Lows

IRM Shares Outstanding Lows Comparison
PeriodLowDateCurrent
1Y293.74MN/A+0.6%
3Y291.57M+1.4%
5Y288.42MN/A+2.5%
All57.76M+411.8%

History

MonthValueChange
295.59M-0.1%
295.79M+0.7%
293.59M+0.5%
292.14M+0.5%
290.83M+0.4%
289.76M+0.5%
288.27M+0.3%
287.30M+0.3%
286.32M+1.1%
283.11M+7.4%
263.68M+24.8%
211.34M+0.7%
209.82M+9.6%
191.43M+0.7%
190.01M+10.4%
MonthValueChange
172.14M-14.0%
200.06M-1.7%
203.55M+0.9%
201.67M+1.3%
199.11M-0.0%
199.21M+0.9%
197.49M+1.4%
194.73M+1.1%
192.54M+0.6%
191.36M+0.8%
189.76M+1.4%
187.11M+55.5%
120.30M+90.3%
63.22M+3.5%
61.07M-

FAQ

  • What is the current shares outstanding of IRM?

    As of today, IRM shares outstanding is 295.59M

  • What is 1-year change in IRM shares outstanding?

    IRM shares outstanding is up +0.63% year-over-year

  • What is 3-year change in IRM shares outstanding?

    IRM shares outstanding is up +1.38% over the past 3 years

  • How far is IRM shares outstanding from its all-time high?

    IRM shares outstanding is currently -0.07% below its historical high of 295.79M set on December 30, 2025

Data Sources & References

  1. IRM Official Website www.ironmountain.com
  2. Most Recent Quarterly Report (10-Q) www.sec.gov/Archives/edgar/data/1020569/000102056926000013/0001020569-26-000013-index.htm
  3. Most Recent Annual Report (10-K) www.sec.gov/Archives/edgar/data/1020569/000102056926000013/0001020569-26-000013-index.htm
  4. IRM Profile on Yahoo Finance finance.yahoo.com/quote/IRM
  5. IRM Profile on NASDAQ.com www.nasdaq.com/market-activity/stocks/irm