Iron Mountain (IRM) Tax Provisions (2009 - 2026)

Iron Mountain has disclosed Tax Provisions across 18 years of filings, most recently posting $27.1 million for Q1 2026.

• Tax Provisions for Q1 2026 came in at $27.1 million, up 82.8% year-over-year; the trailing twelve-month figure through Mar 2026 was $71.2 million (up 20.51% YoY), and the FY2025 annual result was $58.9 million, down 3.18% from the prior year.
• Tax Provisions came in at $27.1 million for Q1 2026 at Iron Mountain, up from $11.2 million in the prior quarter.
• In the past five years, Tax Provisions ranged from a high of $27.1 million in Q1 2026 to a low of $4.3 million in Q2 2023.
• The 5-year median for Tax Provisions is $16.3 million (2025), against an average of $15.1 million.
• Across the five-year window, Tax Provisions slumped 83.62% in 2022 and surged 213.02% in 2024, its largest moves.
• Iron Mountain's Tax Provisions stood at $17.4 million in 2022, then sank by 48.15% to $9.0 million in 2023, then surged by 105.63% to $18.5 million in 2024, then plunged by 39.55% to $11.2 million in 2025, then jumped by 141.93% to $27.1 million in 2026.
• The last three Tax Provisions figures came in at $27.1 million (Q1 2026), $11.2 million (Q4 2025), and $16.6 million (Q3 2025), per Business Quant data.