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Growth Metrics

Iron Mountain (IRM) FCF Margin (2016 - 2025)

Iron Mountain (IRM) has disclosed FCF Margin for 17 consecutive years, with 0.88% as the latest value for Q4 2025.

  • Quarterly FCF Margin rose 1088.0% to 0.88% in Q4 2025 from the year-ago period, while the trailing twelve-month figure was 13.5% through Dec 2025, down 383.0% year-over-year, with the annual reading at 13.5% for FY2025, 383.0% down from the prior year.
  • FCF Margin hit 0.88% in Q4 2025 for Iron Mountain, up from 71.01% in the prior quarter.
  • In the past five years, FCF Margin ranged from a high of 83.24% in Q2 2021 to a low of 71.01% in Q3 2025.
  • Historically, FCF Margin has averaged 4.67% across 5 years, with a median of 2.5% in 2022.
  • Biggest five-year swings in FCF Margin: skyrocketed 6180bps in 2021 and later tumbled -9453bps in 2024.
  • Year by year, FCF Margin stood at 8.92% in 2021, then soared by 594bps to 61.89% in 2022, then skyrocketed by 34bps to 82.77% in 2023, then crashed by -114bps to 11.76% in 2024, then soared by 93bps to 0.88% in 2025.
  • Business Quant data shows FCF Margin for IRM at 0.88% in Q4 2025, 71.01% in Q3 2025, and 47.18% in Q2 2025.