Iron Mountain (IRM) Market Capitalization (2009 - 2026)

Iron Mountain has disclosed Market Capitalization across 18 years of filings, most recently posting $37.6 billion for Q2 2026.

• In Q2 2026, Market Capitalization rose 24.14% year-over-year to $37.6 billion; the TTM figure through Jun 2026 stood at $37.6 billion (up 24.14% YoY), while the FY2025 annual figure was $24.5 billion, down 20.49% from the prior year.
• Market Capitalization came in at $37.6 billion for Q2 2026 at Iron Mountain, up from $30.4 billion in the prior quarter.
• In the past five years, Market Capitalization ranged from a high of $37.6 billion in Q2 2026 to a low of $12.8 billion in Q3 2022.
• Average Market Capitalization over 5 years is $23.4 billion, with a median of $24.0 billion recorded in 2024.
• Year-over-year, Market Capitalization soared 100.91% in 2024 and retreated 20.49% in 2025.
• Over 5 years, Market Capitalization stood at $14.5 billion in 2022, then soared by 41.01% to $20.4 billion in 2023, then surged by 50.95% to $30.9 billion in 2024, then fell by 20.49% to $24.5 billion in 2025, then surged by 53.24% to $37.6 billion in 2026.
• Per Business Quant data, the three most recent Market Capitalization figures were $37.6 billion in Q2 2026, $30.4 billion in Q1 2026, and $24.5 billion in Q4 2025.