IRM Iron Mountain PE ratio, current and historical analysis
As of Apr 21, 2025, the Iron Mountain stock's price-to-earnings ratio is 133.79. This results from the current EPS of $0.61 and stock price of $81.61. The P/E ratio has decreased by 28% from the past four quarters average of 184.7.
IRM PE ratio history
The PE ratio of Iron Mountain has averaged 63.19 over the last ten years. The current PE ratio of 133.79 is 112% above the historical average. In the past ten years, IRM's PE ratio was at its highest in the Sep 2024 quarter at 330.08, when the stock price was $118.83 and the EPS was $0.36. The lowest value was in the Sep 2021 quarter, when it reached 19.75 with a price of $43.45 and an EPS of $2.2.
Iron Mountain PE ratio by year
Maximum annual increase: 327.89% in 2023
Maximum annual decrease: -60.58% in 2014
| Year | PE ratio | PE change | Price | EPS |
|---|---|---|---|---|
| 2024 | 172.31 | 55.12% | $105.11 | $0.61 |
| 2023 | 111.08 | 327.89% | $69.98 | $0.63 |
| 2022 | 25.96 | -22.6% | $49.85 | $1.92 |
| 2021 | 33.54 | 35.41% | $52.33 | $1.56 |
| 2020 | 24.77 | -27.72% | $29.48 | $1.19 |
| 2019 | 34.27 | 35.35% | $31.87 | $0.93 |
| 2018 | 25.32 | -55.71% | $32.41 | $1.28 |
| 2017 | 57.17 | -27.83% | $37.73 | $0.66 |
| 2016 | 79.22 | 73.04% | $32.48 | $0.41 |
| 2015 | 45.78 | 98.96% | $27.01 | $0.59 |
| 2014 | 23.01 | -60.58% | $38.66 | $1.68 |
| 2013 | 58.37 | 87.99% | $30.35 | $0.52 |
| 2012 | 31.05 | 107.69% | $31.05 | $1 |
| 2011 | 14.95 | N/A | $30.8 | $2.06 |
| 2010 | N/A | N/A | $25.01 | -$0.26 |
Iron Mountain PE ratio by quarter (TTM)
| Year | PE ratio | PE change | Price | EPS |
|---|---|---|---|---|
| Dec 2024 | 172.31 | -47.8% | $105.11 | $0.61 |
| Sep 2024 | 330.08 | 187.28% | $118.83 | $0.36 |
| Jun 2024 | 114.9 | -5.46% | $89.62 | $0.78 |
| Mar 2024 | 121.53 | 9.41% | $80.21 | $0.66 |
| Dec 2023 | 111.08 | 79.36% | $69.98 | $0.63 |
| Sep 2023 | 61.93 | 41.68% | $59.45 | $0.96 |
| Jun 2023 | 43.71 | 64.39% | $56.82 | $1.3 |
| Mar 2023 | 26.59 | 2.43% | $52.91 | $1.99 |
| Dec 2022 | 25.96 | 0.97% | $49.85 | $1.92 |
| Sep 2022 | 25.71 | -31.88% | $43.97 | $1.71 |
| Jun 2022 | 37.74 | 5.57% | $48.69 | $1.29 |
| Mar 2022 | 35.75 | 6.59% | $55.41 | $1.55 |
| Dec 2021 | 33.54 | 69.82% | $52.33 | $1.56 |
| Sep 2021 | 19.75 | -1.99% | $43.45 | $2.2 |
| Jun 2021 | 20.15 | -38.47% | $42.32 | $2.1 |
IRM average PE ratio chart
IRM's current P/E ratio is above the 3, 5 and 10-year historical averages.
IRM PE vs peers
Compared to its peer stocks ADP and CTAS, IRM's PE ratio stands higher. Iron Mountain's current PE ratio of 133.79 is comparable to the average of its peer group, which is 42.2.
| Stock name | PE ratio | Market cap |
|---|---|---|
| ADP Automatic Data Processing Inc | 29.61 | $115.9B |
| MCO Moodys Corp | 36.51 | $74.39B |
| EFX Equifax Inc | 44.12 | $26.7B |
| CTAS Cintas Corp | 45.65 | $80.92B |
| TW Tradeweb Markets Inc | 55.09 | $30.57B |
| IRM Iron Mountain Inc | 133.79 | $23.97B |
| PBI Pitney Bowes Inc | N/A | $1.43B |
Frequently asked questions
What is Iron Mountain's PE ratio?
As of Apr 21, 2025, IRM stock has a price to earnings ratio of 133.79.
What is the 3-year average PE ratio for Iron Mountain (IRM)?
The 3-year average PE ratio for IRM stock is 97.41.
What is the 5-year average PE ratio for Iron Mountain (IRM)?
The 5-year average PE ratio for IRM stock is 70.11.
What is the highest PE ratio for IRM?
Over the last ten years, the quarterly PE ratio reached a historic high of 330.08 in the Sep 2024 quarter.
How does the current PE ratio for IRM compare to its historical average?
IRM's price to earnings ratio is currently 112% above its 10-year historical average.
Why is Iron Mountain's PE ratio so high?
IRM's PE ratio is high because its earnings per share (EPS) is low relative to its stock price.
How is IRM's PE ratio calculated (Iron Mountain PE ratio formula)?
You can calculate the PE ratio by dividing the most recent stock price by the trailing twelve months EPS. As of today (Apr 21, 2025), Iron Mountain's stock price is $81.61. The earnings per share for the trailing twelve months (TTM) ending Dec 2024 is $0.61. Therefore, Iron Mountain's P/E ratio for today is 133.79. PE RATIO(133.79) = STOCK PRICE($81.61) / TTM EPS($0.61)
All PE ratio stats are based on quarterly TTM periods, unless otherwise specified. Data from 
and Sharadar.