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Growth Metrics

Iron Mountain (IRM) Assets Average (2016 - 2025)

Iron Mountain (IRM) has disclosed Assets Average for 17 consecutive years, with $20.9 billion as the latest value for Q4 2025.

  • Quarterly Assets Average rose 12.29% to $20.9 billion in Q4 2025 from the year-ago period, while the trailing twelve-month figure was $20.9 billion through Dec 2025, up 12.29% year-over-year, with the annual reading at $19.9 billion for FY2025, 10.09% up from the prior year.
  • Assets Average hit $20.9 billion in Q4 2025 for Iron Mountain, up from $20.4 billion in the prior quarter.
  • In the past five years, Assets Average ranged from a high of $20.9 billion in Q4 2025 to a low of $14.0 billion in Q1 2021.
  • Historically, Assets Average has averaged $16.9 billion across 5 years, with a median of $16.7 billion in 2023.
  • Biggest five-year swings in Assets Average: rose 1.16% in 2021 and later rose 12.29% in 2025.
  • Year by year, Assets Average stood at $14.3 billion in 2021, then increased by 10.98% to $15.9 billion in 2022, then increased by 7.9% to $17.2 billion in 2023, then rose by 8.26% to $18.6 billion in 2024, then grew by 12.29% to $20.9 billion in 2025.
  • Business Quant data shows Assets Average for IRM at $20.9 billion in Q4 2025, $20.4 billion in Q3 2025, and $19.8 billion in Q2 2025.