IRM
Iron Mountain Incorporated
Stock
$113.39+2.26 (+2.03%)Close Oct 2, 2026
- Shares outstanding, 2025
- 295.8M
- YoY, 2025
- +0.7%
- 5-year CAGR
- +0.5%
- 10-year CAGR
- +3.4%
Shares outstanding
Shares outstanding by fiscal year
| Period | Shares outstanding | YoY |
|---|---|---|
| 2025 | 295.8M | +0.7% |
| 2024 | 293.7M | +0.5% |
| 2023 | 292.3M | +0.5% |
| 2022 | 290.9M | +0.4% |
| 2021 | 289.8M | +0.5% |
| 2020 | 288.4M | +0.4% |
| 2019 | 287.3M | +0.3% |
| 2018 | 286.4M | +0.4% |
| 2017 | 285.3M | +8.2% |
| 2016 | 263.7M | +24.7% |
| 2015 | 211.5M | +0.7% |
| 2014 | 210.1M | +9.7% |
| 2013 | 191.5M | +0.7% |
| 2012 | 190.1M | +11.1% |
| 2011 | 171.1M | −14.5% |
| 2010 | 200.2M | — |