Iron Mountain Incorporated
Iron Mountain Incorporated (IRM) Market Cap & Net Worth
Live market cap, enterprise value, and global rank — multi-year chart and annual table below.
irm · market cap & enterprise value · FMP · as of Jun 5, 2026
Core market cap & key metrics
As of Jun 5, 2026, Iron Mountain Incorporated (IRM) has a market cap — also referred to as its net worth or valuation — of $37.1B, making it one of the top most valuable companies globally. Market Cap = $124.66 × shares outstanding.
Market cap history — by year
* 2026 = year-to-date · Year-end market cap · Source: FMP
Market cap by year
Compared to Peers
View Real Estate sectorAbout Market Cap, Net Worth & Valuation
Iron Mountain Incorporated (IRM) has a market cap — also referred to as its net worth or valuation — of $37.1B as of Jun 5, 2026, making it the #0 most valuable company globally. Market Cap = Stock Price × Shares Outstanding.
Iron Mountain Incorporated reached its all-time high market cap of $30.8B on Dec 31, 2024. Comparing the Iron Mountain Incorporated market cap history illustrates one of the most extraordinary corporate growth stories.
Investors frequently compare Iron Mountain Incorporated net worth vs peers and ask how Iron Mountain Incorporated valuation compares to other countries. Its market cap reflects continued investor confidence.
Frequently Asked Questions
IRM market cap · 6 questionsIron Mountain Incorporated's net worth — measured as market capitalization — is $37.1B as of Jun 5, 2026. It ranks #0 globally. Market Cap = $$124.66 (price) × shares outstanding.