Iron Mountain Market Cap

Iron Mountain has a market cap or net worth of $34.09 billion as of October 9, 2026. It is the 728th most valuable company in the world and the 327th biggest in the United States. Its market cap has increased by 9.52% in one year.

Market Cap

34.09B

Enterprise Value

53.83B

1-Year Change

9.52%

Global Rank

#728

Country Rank

#327 United States

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Since December 1, 1998, Iron Mountain's market cap has increased from $880.30M to $34.09B, an increase of 3,772.54%. That is a compound annual growth rate of 14.02%.

Market Cap History

Date	Market Cap	% Change
Oct 9, 2026	34.09B	39.03%
Dec 31, 2025	24.52B	-20.51%
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%

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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

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