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Iron Mountain Incorporated (IRM) is a financial services company in the property investment trusts industry, based in Portsmouth, United States, with about 29,400 full-time employees.
It reported revenue of $6.90 billion for fiscal year 2025, up 12.2% from fiscal year 2024, and net income of $144.59 million. In Q2 2026 (the quarter ended June 30, 2026) revenue was $2.03 billion, up 18.5% from a year before. Its largest business segment, Global RIM Business, brought in 77% of segment revenue in fiscal year 2025; United States was the largest region with 66%. Its market capitalization was $34.09 billion as of October 9, 2026.
Figures from company filings and market data; latest fiscal year ended December 31, 2025; market data as of October 9, 2026.
Iron Mountain Incorporated 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.
Iron Mountain reported $6.90 billion in revenue for fiscal year 2025, up 12.2% from $6.15 billion in fiscal year 2024. In Q2 2026 revenue was $2.03 billion.
Global RIM Business, with $5.29 billion or 77% of segment revenue in fiscal year 2025. Next: Corporate and Other Business (12%) and Global Data Center Business (12%).
United States: 66% of revenue by region in fiscal year 2025, followed by Remaining Countries (23%).
$34.09 billion as of October 9, 2026.
Listed companies of a similar size in the same industry (property investment trusts) include Public Storage (PSA), Realty Income Corporation (O), Ventas, Inc. (VTR), Crown Castle Inc. (CCI).