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Growth Metrics

Iron Mountain (IRM) Assets (2016 - 2025)

Iron Mountain (IRM) has disclosed Assets for 17 consecutive years, with $21.1 billion as the latest value for Q4 2025.

  • Quarterly Assets rose 12.86% to $21.1 billion in Q4 2025 from the year-ago period, while the trailing twelve-month figure was $21.1 billion through Dec 2025, up 12.86% year-over-year, with the annual reading at $21.1 billion for FY2025, 12.86% up from the prior year.
  • Assets hit $21.1 billion in Q4 2025 for Iron Mountain, up from $20.6 billion in the prior quarter.
  • In the past five years, Assets ranged from a high of $21.1 billion in Q4 2025 to a low of $13.9 billion in Q1 2021.
  • Historically, Assets has averaged $17.1 billion across 5 years, with a median of $16.8 billion in 2023.
  • Biggest five-year swings in Assets: fell 0.37% in 2021 and later grew 12.86% in 2025.
  • Year by year, Assets stood at $14.5 billion in 2021, then increased by 11.7% to $16.1 billion in 2022, then grew by 8.26% to $17.5 billion in 2023, then increased by 7.12% to $18.7 billion in 2024, then increased by 12.86% to $21.1 billion in 2025.
  • Business Quant data shows Assets for IRM at $21.1 billion in Q4 2025, $20.6 billion in Q3 2025, and $20.2 billion in Q2 2025.