Iron Mountain (IRM) FCF Margin (2009 - 2026)

Iron Mountain has disclosed FCF Margin across 18 years of filings, most recently posting 1.89% for Q1 2026.

• FCF Margin for Q1 2026 came in at 1.89%, up 968.0% year-over-year; the trailing twelve-month figure through Mar 2026 was 10.64% (down 2359.0% YoY), and the FY2025 annual result was 13.5%, down 2740.0% from the prior year.
• FCF Margin came in at 1.89% for Q1 2026 at Iron Mountain, up from 0.88% in the prior quarter.
• In the past five years, FCF Margin ranged from a high of 79.92% in Q4 2024 to a low of 39.61% in Q3 2023.
• The 5-year median for FCF Margin is 7.78% (2025), against an average of 0.71%.
• Across the five-year window, FCF Margin jumped 7497 bps in 2024 and sank 8080 bps in 2025, its largest moves.
• Iron Mountain's FCF Margin stood at 28.95% in 2022, then jumped by 117 bps to 4.95% in 2023, then jumped by 1515 bps to 79.92% in 2024, then slumped by 101 bps to 0.88% in 2025, then soared by 315 bps to 1.89% in 2026.
• The last three FCF Margin figures came in at 1.89% (Q1 2026), 0.88% (Q4 2025), and 14.61% (Q3 2025), per Business Quant data.