Iron Mountain Inc (IRM) stock
IRMNYSEReal Estate Investment TrustsFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 5, 2026Score 7/3064% above fair value
$114.58+2.15 (+1.91%)
Close on Nov 12, 2026Market cap $34.11BP/E 74.9Yield 2.81%
Iron Mountain gross margin
Gross margin is gross profit as a percentage of revenue.
Iron Mountain's gross margin for the twelve months ending Sep 30, 2026 was 53.9%. For fiscal 2025 it was 55.4%, against 56.2% the year before. The highest annual figure on record is 58.0% in fiscal 2021.
Annual gross margin
| Period | Period end | Value | Change (pts) |
|---|---|---|---|
| FY2025 | Dec 31, 2025 | 55.4% | −0.8 |
| FY2024 | Dec 31, 2024 | 56.2% | −0.8 |
| FY2023 | Dec 31, 2023 | 57.0% | −0.1 |
| FY2022 | Dec 31, 2022 | 57.1% | −0.9 |
| FY2021 | Dec 31, 2021 | 58.0% | +0.4 |
| FY2020 | Dec 31, 2020 | 57.6% | +0.6 |
| FY2019 | Dec 31, 2019 | 57.0% | −0.6 |
| FY2018 | Dec 31, 2018 | 57.5% | +0.8 |
| FY2017 | Dec 31, 2017 | 56.7% | – |
Quarterly gross margin
Change is against the same quarter a year earlier.
| Period | Period end | Value | Change (pts) |
|---|---|---|---|
| Q3 FY2026 | Sep 30, 2026 | 53.4% | −1.4 |
| Q2 FY2026 | Jun 30, 2026 | 52.8% | −3.2 |
| Q1 FY2026 | Mar 31, 2026 | 54.0% | −1.4 |
| Q4 FY2025 | Dec 31, 2025 | 55.4% | −1.1 |
| Q3 FY2025 | Sep 30, 2025 | 54.9% | −1.6 |
| Q2 FY2025 | Jun 30, 2025 | 55.9% | −0.0 |
| Q1 FY2025 | Mar 31, 2025 | 55.4% | −0.4 |
| Q4 FY2024 | Dec 31, 2024 | 56.4% | −1.2 |
| Q3 FY2024 | Sep 30, 2024 | 56.4% | −0.9 |
| Q2 FY2024 | Jun 30, 2024 | 55.9% | −0.4 |
| Q1 FY2024 | Mar 31, 2024 | 55.8% | −0.7 |
| Q4 FY2023 | Dec 31, 2023 | 57.6% | −0.1 |
| Q3 FY2023 | Sep 30, 2023 | 57.3% | −0.2 |
| Q2 FY2023 | Jun 30, 2023 | 56.4% | −0.5 |
| Q1 FY2023 | Mar 31, 2023 | 56.5% | +0.3 |
| Q4 FY2022 | Dec 31, 2022 | 57.8% | −0.9 |
| Q3 FY2022 | Sep 30, 2022 | 57.6% | +0.2 |
| Q2 FY2022 | Jun 30, 2022 | 56.8% | −0.8 |
| Q1 FY2022 | Mar 31, 2022 | 56.2% | −2.0 |
| Q4 FY2021 | Dec 31, 2021 | 58.7% | +1.1 |
| Q3 FY2021 | Sep 30, 2021 | 57.4% | −0.7 |
| Q2 FY2021 | Jun 30, 2021 | 57.6% | −1.0 |
| Q1 FY2021 | Mar 31, 2021 | 58.2% | +1.9 |
| Q4 FY2020 | Dec 31, 2020 | 57.6% | +0.2 |
| Q3 FY2020 | Sep 30, 2020 | 58.1% | +0.4 |
| Q2 FY2020 | Jun 30, 2020 | 58.6% | +2.1 |
| Q1 FY2020 | Mar 31, 2020 | 56.3% | +0.0 |
| Q4 FY2019 | Dec 31, 2019 | 57.4% | −0.6 |
| Q3 FY2019 | Sep 30, 2019 | 57.7% | −0.1 |
| Q2 FY2019 | Jun 30, 2019 | 56.5% | −0.9 |
| Q1 FY2019 | Mar 31, 2019 | 56.3% | – |
| Q4 FY2018 | Dec 31, 2018 | 58.0% | – |
| Q3 FY2018 | Sep 30, 2018 | 57.8% | – |
| Q2 FY2018 | Jun 30, 2018 | 57.4% | – |
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