Iron Mountain Incorporated IRM

111.38 (2.71) (2.38%) as of 25 Sep
Market cap
$34.0B
P/E
79.6×
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Iron Mountain Incorporated (IRM) P/E ratio

As of 25 September 2026, Iron Mountain Incorporated (IRM) trades at a P/E ratio of 79.6×. Over the past ten years it has ranged from 18.6× (June 2015) to 746× (September 2025); the current reading is higher than 70% of that period. That is above the Reit Specialty industry median of 26.3× and above the Real Estate sector median of 21.6×.

P/E ratio, daily

Annual

Period P/E ratio Change
FY2025 173× 0.29%
FY2024 172× 58.18%
FY2023 109× 321.10%
FY2022 25.9× (23.37%)
FY2021 33.8× 36.28%
FY2020 24.8× (28.49%)
FY2019 34.6× 35.74%
FY2018 25.5× (53.18%)
FY2017 54.5× (24.25%)
FY2016 72.0× 57.18%

Quarterly

Period P/E ratio Change
Jun 2026 90.2× (19.62%)
Mar 2026 112× (35.05%)
Dec 2025 173× (10.15%)
Sep 2025 192× (73.75%)
42 more quarters

Against its own ten years

Low 18.6× High 746×
Ten-year median 49.0×
Current reading's percentile 70

P/E ratio against peers

Company P/E ratio
GLPI Gaming and Leisure Properties, Inc. compare 11.4×
SBAC SBA Communications Corporation compare 17.8×
AMT American Tower Corporation compare 23.2×
LAMR Lamar Advertising Company compare 26.3×
WY Weyerhaeuser Company compare 30.3×
CCI Crown Castle Inc. compare 34.3×
EQIX Equinix, Inc. compare 64.6×
IRM Iron Mountain Incorporated 79.6×
DLR Digital Realty Trust, Inc. compare 82.3×
Reit Specialty industry median 26.3×
Real Estate sector median 21.6×
Market median 17.9×

What P/E ratio is

Price to Earnings Ratio shows how much investors pay for each dollar of a company’s annual profit per share.

Stock Price ÷ EPS (Basic) (TTM)

The full definition of P/E ratio →

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