Iron Mountain (IRM) Equity Average (2009 - 2026)

Iron Mountain has disclosed Equity Average across 18 years of filings, most recently posting -$959.7 million for Q1 2026.

• Equity Average for Q1 2026 came in at -$959.7 million, down 137.86% year-over-year; the trailing twelve-month figure through Mar 2026 was -$959.7 million (down 137.86% YoY), and the FY2025 annual result was -$642.8 million, down 1283.93% from the prior year.
• Equity Average came in at -$959.7 million for Q1 2026 at Iron Mountain, down from -$931.5 million in the prior quarter.
• In the past five years, Equity Average ranged from a high of $807.9 million in Q1 2022 to a low of -$959.7 million in Q1 2026.
• The 5-year median for Equity Average is $115.2 million (2024), against an average of $30.7 million.
• Across the five-year window, Equity Average declined 22.92% in 2022 and tumbled 838.87% in 2025, its largest moves.
• Iron Mountain's Equity Average stood at $585.3 million in 2022, then plunged by 59.47% to $237.2 million in 2023, then tumbled by 185.81% to -$203.5 million in 2024, then tumbled by 357.64% to -$931.5 million in 2025, then fell by 3.03% to -$959.7 million in 2026.
• The last three Equity Average figures came in at -$959.7 million (Q1 2026), -$931.5 million (Q4 2025), and -$725.4 million (Q3 2025), per Business Quant data.