Stocks / IRM
IRM stock forecast
IRON MOUNTAIN INC · Real Estate · REIT - Specialty
The model's rating
Greatly Underperform
IRM is rated Greatly Underperform as of September 29, 2026: its medium-term return forecast is in the bottom fifth of the stocks the model scores.
Create a free account to compare any two stocks; the numeric score is part of Premium.
IRM is not among the 20 largest holdings published for 2026 Q4. See the portfolio
IRM against the S&P 500
| Period | IRM | S&P 500 (SPY) |
|---|---|---|
| 1 month | -3.1% | -0.3% |
| 3 months | -8.3% | +2.5% |
| Year to date | +36.8% | +12.7% |
| 1 year | +12.5% | +15.7% |
Total return, dividends included.
Key numbers
| Price | $110.95 |
| Market cap | 33.03 Billion |
| P/E (trailing 12 months) | 78.7 |
| P/S (trailing 12 months) | 4.4 |
| P/B (latest quarter) | -29.5 |
| Gross margin | 54.2% |
| Net profit margin | 5.5% |
| Return on equity | -38.4% |
| Beta | 1.1 |
As of August 5, 2026.
IRM and its closest peers
| Stock | Company | Market cap | Model rating | |
|---|---|---|---|---|
| CCI | CROWN CASTLE INC | 28.36 Billion | Underperform | IRM vs CCI |
| SBAC | SBA COMMUNICATIONS CORP | 16.99 Billion | Underperform | IRM vs SBAC |
| WY | WEYERHAEUSER CO | 13.73 Billion | Greatly Underperform | IRM vs WY |
| DLR | DIGITAL REALTY TRUST INC | 64.95 Billion | Greatly Underperform | DLR vs IRM |
| AMT | AMERICAN TOWER CORP | 76.27 Billion | Greatly Underperform | AMT vs IRM |
| EQIX | EQUINIX INC | 99.81 Billion | Greatly Underperform | EQIX vs IRM |
Questions
What does the Upfront Investment model say about IRM?
The model rates IRON MOUNTAIN INC (IRM) "Greatly Underperform" as of September 29, 2026, which means its medium-term return forecast is in the bottom fifth of the stocks the model scores. The rating is a statistical forecast, not a recommendation to buy or sell.
How is the IRM rating produced?
A machine-learning model forecasts each stock's return over the coming months and ranks the forecasts against each other. The label says where this stock's forecast falls in that ranking. It is refreshed whenever the model's data updates, normally every trading day.
Is IRM in the Upfront Investment model portfolio?
IRM is not among the 20 largest holdings published for 2026 Q4.
The rating is the output of a statistical model and can be wrong. It is not investment advice and takes no account of your circumstances. Past performance does not guarantee future results.