Iron Mountain (IRM) Minority Interest (2009 - 2026)

Iron Mountain's Minority Interest history runs 18 years deep, the most recent figure standing at $276.6 million for Q1 2026.

• In Q1 2026, Minority Interest rose 253.56% year-over-year to $276.6 million; the TTM figure through Mar 2026 stood at $276.6 million (up 253.56% YoY), while the FY2025 annual figure was $64.4 million, down 17.59% from the prior year.
• Minority Interest came in at $276.6 million for Q1 2026 at Iron Mountain, up from $64.4 million in the prior quarter.
• In the past five years, Minority Interest ranged from a high of $276.6 million in Q1 2026 to a low of $64.4 million in Q4 2025.
• A 5-year average of $118.5 million and a median of $95.2 million in 2022 frame the typical range for Minority Interest.
• Across the five-year window, Minority Interest sank 58.43% in 2025 and jumped 253.56% in 2026, its largest moves.
• Iron Mountain's Minority Interest stood at $95.2 million in 2022, then soared by 87.0% to $177.9 million in 2023, then tumbled by 56.07% to $78.2 million in 2024, then declined by 17.59% to $64.4 million in 2025, then surged by 329.38% to $276.6 million in 2026.
• According to Business Quant data, Minority Interest over the past three periods registered $276.6 million, $64.4 million, and $75.4 million for Q1 2026, Q4 2025, and Q3 2025 respectively.

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