Iron Mountain (IRM) Non-Current Deferred Tax Liability (2009 - 2026)

Iron Mountain has disclosed Non-Current Deferred Tax Liability across 18 years of filings, most recently posting $180.4 million for Q1 2026.

• Non-Current Deferred Tax Liability for Q1 2026 came in at $180.4 million, down 11.77% year-over-year; the trailing twelve-month figure through Mar 2026 was $180.4 million (down 11.77% YoY), and the FY2025 annual result was $184.0 million, down 10.39% from the prior year.
• Non-Current Deferred Tax Liability came in at $180.4 million for Q1 2026 at Iron Mountain, down from $184.0 million in the prior quarter.
• In the past five years, Non-Current Deferred Tax Liability ranged from a high of $376.3 million in Q4 2023 to a low of $180.4 million in Q1 2026.
• The 5-year median for Non-Current Deferred Tax Liability is $233.5 million (2024), against an average of $262.4 million.
• Across the five-year window, Non-Current Deferred Tax Liability soared 81.84% in 2022 and tumbled 45.43% in 2024, its largest moves.
• Iron Mountain's Non-Current Deferred Tax Liability stood at $374.4 million in 2022, then rose by 0.5% to $376.3 million in 2023, then sank by 45.43% to $205.3 million in 2024, then declined by 10.39% to $184.0 million in 2025, then declined by 1.94% to $180.4 million in 2026.
• The last three Non-Current Deferred Tax Liability figures came in at $180.4 million (Q1 2026), $184.0 million (Q4 2025), and $218.2 million (Q3 2025), per Business Quant data.