Iron Mountain Incorporated

NYSE:IRM USA REIT - Specialty
Market Cap
$31.91 Billion
Market Cap Rank
#688 Global
#542 in USA
Share Price
$107.96
Change (1 day)
+0.41%
52-Week Range
$76.93 - $113.24
All Time High
$128.14
About

Iron Mountain Incorporated (NYSE: IRM) is trusted by more than 240,000 customers in 61 countries, including approximately 95% of the Fortune 1000, to help unlock value and intelligence from their assets through services that transcend the physical and digital worlds. Our broad range of solutions address their information management, digital transformation, information security, data center and as… Read more

Market Cap & Net Worth: Iron Mountain Incorporated (IRM)

Iron Mountain Incorporated (NYSE:IRM) has a market capitalization of $31.91 Billion ($31.91 Billion) as of March 18, 2026. Listed on the NYSE stock exchange, this USA-based company holds position #688 globally and #542 in its home market, demonstrating a 0.77% increase in market value over the past year.

Market capitalization, also known as net worth in stock markets, is calculated by multiplying Iron Mountain Incorporated's stock price $107.96 by its total outstanding shares 295589491 (295.59 Million).

Iron Mountain Incorporated Market Cap History: 2015 to 2026

Iron Mountain Incorporated's market capitalization history from 2015 to 2026. Data shows growth from $4.75 Billion to $31.91 Billion (18.43% CAGR).

Index Memberships

Iron Mountain Incorporated is a constituent of 1 market index:

Index Total Market Cap Weight (%) Rank by Market Cap
S&P 500 Index
GSPC
$53.17 Trillion 0.05% #279 of 503

Weight: Iron Mountain Incorporated's market cap as a percentage of total index value. Rank: Position among all constituents by market cap.

Iron Mountain Incorporated Market Cap to Earnings & Revenue Ratios Timeline

This chart shows how Iron Mountain Incorporated's valuation ratios have evolved. The Price to Sales (P/S) ratio compares market cap to revenue, while the Price to Earnings (P/E) ratio compares market cap to net income. Lower values may indicate a more undervalued company relative to its financial performance.

Latest Price to Sales (P/S) Ratio

5.05x

Iron Mountain Incorporated's market cap is 5.05 times its annual revenue

Industry average:
3.90x
Higher than industry average

Latest Price to Earnings (P/E) Ratio

172.46x

Iron Mountain Incorporated's market cap is 172.46 times its annual earnings

Industry average:
34.30x
Higher than industry average
What These Ratios Tell Investors:
  • Price to Sales (P/S) Ratio: Shows how much investors are paying for each dollar of the company's sales. Lower P/S ratios may indicate undervaluation.
  • Price to Earnings (P/E) Ratio: Shows how much investors are paying for each dollar of the company's earnings. This is one of the most common valuation metrics.
  • Trends in these ratios over time can indicate changing investor sentiment about the company's future growth prospects.
  • Industry comparison provides context for whether the company is valued higher or lower than peers.
Year Market Cap (USD) Revenue (USD) Net Income (USD) P/S Ratio P/E Ratio
2015 $4.75 Billion $3.01 Billion $123.24 Million 1.58x 38.57x
2016 $6.06 Billion $3.51 Billion $104.82 Million 1.73x 57.79x
2017 $7.49 Billion $3.85 Billion $183.82 Million 1.95x 40.72x
2018 $6.89 Billion $4.23 Billion $363.35 Million 1.63x 18.96x
2019 $7.29 Billion $4.26 Billion $267.38 Million 1.71x 27.28x
2020 $7.36 Billion $4.15 Billion $342.69 Million 1.78x 21.49x
2021 $13.83 Billion $4.49 Billion $450.22 Million 3.08x 30.71x
2022 $13.81 Billion $5.10 Billion $556.98 Million 2.71x 24.80x
2023 $20.24 Billion $5.48 Billion $184.23 Million 3.69x 109.87x
2024 $31.07 Billion $6.15 Billion $180.16 Million 5.05x 172.46x

Competitor Companies of IRM by Market Capitalization

Companies near Iron Mountain Incorporated in the global market cap rankings as of March 18, 2026.

Key companies related to Iron Mountain Incorporated by market ranking:

  • Equinix Inc (NASDAQ:EQIX): Ranked #218 globally with a market cap of $92.84 Billion USD.
  • American Tower Corp (NYSE:AMT): Ranked #237 globally with a market cap of $86.39 Billion USD.
  • SBA Communications Corp (NASDAQ:SBAC): Ranked #996 globally with a market cap of $19.80 Billion USD.
  • Weyerhaeuser Company (NYSE:WY): Ranked #1118 globally with a market cap of $17.28 Billion USD.

Market capitalization comparison (in billions USD)
Rank Company Symbol Market Cap Price
#218 Equinix Inc NASDAQ:EQIX $92.84 Billion $976.88
#237 American Tower Corp NYSE:AMT $86.39 Billion $185.07
#996 SBA Communications Corp NASDAQ:SBAC $19.80 Billion $187.15
#1118 Weyerhaeuser Company NYSE:WY $17.28 Billion $24.09

Iron Mountain Incorporated Historical Marketcap From 2015 to 2026

Between 2015 and today, Iron Mountain Incorporated's market cap moved from $4.75 Billion to $ 31.91 Billion, with a yearly change of 18.43%.

Year Market Cap Change (%)
2026 $31.91 Billion +30.15%
2025 $24.52 Billion -21.08%
2024 $31.07 Billion +53.49%
2023 $20.24 Billion +46.52%
2022 $13.81 Billion -0.08%
2021 $13.83 Billion +87.74%
2020 $7.36 Billion +0.98%
2019 $7.29 Billion +5.87%
2018 $6.89 Billion -7.97%
2017 $7.49 Billion +23.56%
2016 $6.06 Billion +27.46%
2015 $4.75 Billion --

End of Day Market Cap According to Different Sources

On Mar 18th, 2026 the market cap of Iron Mountain Incorporated was reported to be:

Source Market Cap
Yahoo Finance $31.91 Billion USD
MoneyControl $31.91 Billion USD
MarketWatch $31.91 Billion USD
marketcap.company $31.91 Billion USD
Reuters $31.91 Billion USD

Market cap values may vary slightly between sources due to differences in calculation methods, timing, and data refresh rates.