Iron Mountain Incorporated (IRM)
NYSE: IRM · Real-Time Price · USD
80.09
+1.23 (1.56%)
At close: Dec 19, 2025, 4:00 PM EST
80.25
+0.16 (0.20%)
After-hours: Dec 19, 2025, 7:17 PM EST
Iron Mountain Market Cap
Iron Mountain has a market cap or net worth of $23.67 billion as of December 19, 2025. Its market cap has decreased by -32.13% in one year.
Market Cap
23.67B
Enterprise Value
42.28B
1-Year Change
-32.13%
Ranking
Category
Stock Price
$80.09
Market Cap Chart
Since December 1, 1998, Iron Mountain's market cap has increased from $880.30M to $23.67B, an increase of 2,589.28%. That is a compound annual growth rate of 12.93%.
Market Cap History
| Date | Market Cap | % Change |
|---|---|---|
| Dec 19, 2025 | 23.67B | -23.25% |
| Dec 31, 2024 | 30.85B | 50.96% |
| Dec 29, 2023 | 20.43B | 41.00% |
| Dec 30, 2022 | 14.49B | -4.36% |
| Dec 31, 2021 | 15.15B | 78.36% |
| Dec 31, 2020 | 8.50B | -7.17% |
| Dec 31, 2019 | 9.15B | -1.35% |
| Dec 31, 2018 | 9.28B | -7.89% |
| Dec 29, 2017 | 10.07B | 17.70% |
| Dec 30, 2016 | 8.56B | 50.04% |
| Dec 31, 2015 | 5.70B | -23.84% |
| Dec 31, 2014 | 7.49B | 29.04% |
| Dec 31, 2013 | 5.80B | 8.34% |
| Dec 31, 2012 | 5.36B | -6.30% |
| Dec 30, 2011 | 5.72B | 14.22% |
| Dec 31, 2010 | 5.01B | 8.14% |
| Dec 31, 2009 | 4.63B | -7.20% |
| Dec 31, 2008 | 4.99B | -32.78% |
| Dec 31, 2007 | 7.42B | 35.56% |
| Dec 29, 2006 | 5.47B | -1.15% |
| Dec 30, 2005 | 5.54B | 40.36% |
| Dec 31, 2004 | 3.94B | 16.88% |
| Dec 31, 2003 | 3.38B | 20.50% |
| Dec 31, 2002 | 2.80B | 14.14% |
| Dec 31, 2001 | 2.45B | 20.22% |
View and export this data all the way back to 1998. Sign Up Today.
Market Capitalization
Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.
Formula: Market Cap = Stock Price * Shares Outstanding
Full DefinitionRelated Stocks
| Company | Market Cap |
|---|---|
| Welltower | 129.83B |
| Prologis | 121.82B |
| American Tower | 83.56B |
| Equinix | 73.43B |
| Simon Property Group | 69.48B |
| Realty Income | 53.29B |
| Digital Realty Trust | 51.89B |
| Public Storage | 47.00B |