KPIs & Operating Metrics(New)
Growth Metrics

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

Iron Mountain's FCF Margin history spans 17 years, with the latest figure at 82.71% for Q4 2025.

  • For Q4 2025, FCF Margin fell 16263.0% year-over-year to 82.71%; the TTM value through Dec 2025 reached 13.5%, down 2740.0%, while the annual FY2025 figure was 13.5%, 2740.0% down from the prior year.
  • FCF Margin for Q4 2025 was 82.71% at Iron Mountain, down from 71.37% in the prior quarter.
  • Across five years, FCF Margin topped out at 79.92% in Q4 2024 and bottomed at 82.71% in Q4 2025.
  • The 5-year median for FCF Margin is 5.52% (2023), against an average of 0.28%.
  • The largest YoY upside for FCF Margin was 8056bps in 2025 against a maximum downside of -16263bps in 2025.
  • A 5-year view of FCF Margin shows it stood at 8.1% in 2021, then crashed by -229bps to 10.45% in 2022, then soared by 147bps to 4.95% in 2023, then surged by 1515bps to 79.92% in 2024, then crashed by -203bps to 82.71% in 2025.
  • Per Business Quant, the three most recent readings for IRM's FCF Margin are 82.71% (Q4 2025), 71.37% (Q3 2025), and 31.26% (Q2 2025).