Iron Mountain (IRM) Operating Margin (2009 - 2025)

Iron Mountain has disclosed Operating Margin across 17 years of filings, most recently posting 16.86% for FY2025.

• Operating Margin for Q1 2026 came in at 20.41%, up 445.0% year-over-year; the trailing twelve-month figure through Mar 2026 was 18.01% (up 176.0% YoY), and the FY2025 annual result was 16.86%, up 45.0% from the prior year.
• Operating Margin came in at 16.86% for FY2025 at Iron Mountain, up from 16.42% in the prior year.
• In the past five years, Operating Margin ranged from a high of 20.57% in FY2022 to a low of 16.42% in FY2024.
• The 5-year median for Operating Margin is 16.86% (2025), against an average of 17.94%.
• Across the five-year window, Operating Margin soared 155 bps in 2022 and slumped 375 bps in 2023, its largest moves.
• Iron Mountain's Operating Margin stood at 19.02% in 2021, then gained by 8 bps to 20.57% in 2022, then fell by 18 bps to 16.82% in 2023, then decreased by 2 bps to 16.42% in 2024, then grew by 3 bps to 16.86% in 2025.
• The last three Operating Margin figures came in at 16.86% (FY2025), 16.42% (FY2024), and 16.82% (FY2023), per Business Quant data.