Latest Ratios: P/E Ratio 237.5x · EV/EBITDA 22.0x · ROE N/A. (1996–2025 historical series)
Price-based multiples — how expensive the stock is relative to earnings, sales, book value, and cash flow
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Market Cap | $34.6B | $24.7B | $31.1B | $20.6B | $14.6B | $15.2B | $8.5B | $9.2B | $9.3B | $10.1B | $8.0B |
| Enterprise Value | $53.5B | $43.6B | $47.4B | $35.1B | $27.7B | $26.7B | $19.3B | $19.6B | $17.3B | $16.2B | $14.0B |
| P/E Ratio → | 237.51 | 169.29 | 172.31 | 111.08 | 26.24 | 33.76 | 24.77 | 34.27 | 25.52 | 58.95 | 77.33 |
| P/S Ratio | 5.02 | 3.58 | 5.06 | 3.75 | 2.86 | 3.39 | 2.05 | 2.15 | 2.20 | 2.62 | 2.29 |
| P/B Ratio | — | — | — | 52.79 | 19.92 | 16.38 | 7.49 | 6.26 | 4.99 | 4.38 | 4.15 |
| P/FCF | — | — | — | — | 330.48 | 113.19 | 15.92 | 42.02 | 23.05 | 33.27 | 48.81 |
| P/OCF | 25.84 | 18.44 | 26.02 | 18.47 | 15.71 | 20.06 | 8.62 | 9.48 | 9.93 | 13.96 | 14.77 |
P/E links to full P/E history page with 30-year chart
Enterprise-value multiples — capital-structure-neutral measures of total business value
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| EV / Revenue | — | 6.32 | 7.70 | 6.41 | 5.43 | 5.94 | 4.65 | 4.60 | 4.09 | 4.21 | 4.00 |
| EV / EBITDA | 22.02 | 17.94 | 24.46 | 20.49 | 15.44 | 17.20 | 12.03 | 13.45 | 11.80 | 14.00 | 14.72 |
| EV / EBIT | 38.07 | 41.16 | 48.28 | 42.56 | 24.58 | 25.30 | 24.14 | 25.98 | 20.89 | 28.79 | 30.22 |
| EV / FCF | — | — | — | — | 628.48 | 198.28 | 36.12 | 89.79 | 42.85 | 53.48 | 85.37 |
Margins and return-on-capital ratios measuring operating efficiency
Full margin charts and quarterly trend are on the Earnings History page
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Gross Margin | 25.7% | 25.7% | 56.2% | 57.0% | 57.1% | 58.0% | 57.6% | 57.0% | 57.4% | 56.2% | 55.4% |
| Operating Margin | 20.4% | 20.4% | 16.4% | 16.8% | 20.6% | 19.0% | 22.5% | 18.3% | 19.1% | 16.5% | 14.3% |
| Net Profit Margin | 2.1% | 2.1% | 2.9% | 3.4% | 10.9% | 10.0% | 8.3% | 6.3% | 8.6% | 4.8% | 3.0% |
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ROE | — | — | 220.8% | 32.8% | 67.0% | 43.6% | 26.4% | 16.1% | 17.5% | 8.7% | 8.5% |
| ROA | 0.7% | 0.7% | 1.0% | 1.1% | 3.6% | 3.1% | 2.5% | 2.1% | 3.2% | 1.8% | 1.3% |
| ROIC | 6.2% | 6.2% | 4.9% | 4.8% | 6.0% | 5.3% | 5.9% | 5.4% | 6.6% | 5.8% | 5.7% |
| ROCE | 8.2% | 8.2% | 6.5% | 6.3% | 7.9% | 6.9% | 7.8% | 7.0% | 8.1% | 7.0% | 7.2% |
Solvency and debt-coverage ratios — lower is generally safer
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Debt / Equity | — | — | — | 37.94 | 18.15 | 12.59 | 9.68 | 7.25 | 4.37 | 3.06 | 3.23 |
| Debt / EBITDA | 7.84 | 7.84 | 8.46 | 8.62 | 7.40 | 7.54 | 6.86 | 7.29 | 5.56 | 6.09 | 6.55 |
| Net Debt / Equity | — | — | — | 37.37 | 17.96 | 12.32 | 9.49 | 7.12 | 4.28 | 2.66 | 3.11 |
| Net Debt / EBITDA | 7.78 | 7.78 | 8.37 | 8.49 | 7.32 | 7.38 | 6.73 | 7.16 | 5.45 | 5.29 | 6.31 |
| Debt / FCF | — | — | — | — | 297.99 | 85.09 | 20.20 | 47.77 | 19.79 | 20.21 | 36.56 |
| Interest Coverage | 1.28 | 1.28 | 1.33 | 1.38 | 2.27 | 2.48 | 1.87 | 1.77 | 1.99 | 1.56 | 1.46 |
Short-term solvency ratios and asset-utilisation metrics
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Current Ratio | 0.74 | 0.74 | 0.55 | 0.78 | 0.81 | 0.71 | 0.64 | 0.63 | 0.83 | 1.47 | 1.06 |
| Quick Ratio | 0.74 | 0.74 | 0.55 | 0.78 | 0.81 | 0.71 | 0.64 | 0.63 | 0.83 | 1.47 | 1.06 |
| Cash Ratio | 0.06 | 0.06 | 0.05 | 0.10 | 0.07 | 0.13 | 0.10 | 0.10 | 0.11 | 0.70 | 0.23 |
| Asset Turnover | — | 0.33 | 0.33 | 0.31 | 0.32 | 0.31 | 0.29 | 0.31 | 0.36 | 0.35 | 0.37 |
| Inventory Turnover | — | — | — | — | — | — | — | — | — | — | — |
| Days Sales Outstanding | — | — | — | — | — | — | — | — | — | — | — |
Earnings, FCF, buyback, and dividend yields — total returns to shareholders
Full dividend history and growth charts are on the Dividend History page
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dividend Yield | 2.7% | 3.7% | 2.5% | 3.6% | 5.0% | 4.7% | 8.4% | 7.7% | 7.3% | 4.4% | 6.3% |
| Payout Ratio | 635.9% | 635.9% | 438.2% | 400.4% | 130.1% | 159.6% | 209.0% | 263.5% | 185.4% | 239.4% | 482.6% |
| Metric | TTM | FY 2025 | FY 2024 | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 | FY 2018 | FY 2017 | FY 2016 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Earnings Yield | 0.4% | 0.6% | 0.6% | 0.9% | 3.8% | 3.0% | 4.0% | 2.9% | 3.9% | 1.7% | 1.3% |
| FCF Yield | — | — | — | — | 0.3% | 0.9% | 6.3% | 2.4% | 4.3% | 3.0% | 2.0% |
| Buyback Yield | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
| Total Shareholder Yield | 2.7% | 3.7% | 2.5% | 3.6% | 5.0% | 4.7% | 8.4% | 7.7% | 7.3% | 4.4% | 6.3% |
| Shares Outstanding | — | $298M | $296M | $294M | $292M | $291M | $289M | $288M | $287M | $267M | $247M |
Negative AFFO cash burn
Based on reported figures, Iron Mountain's P/E of 270.29 appears to be an unreliable valuation anchor, as the company's persistent negative AFFO renders traditional REIT valuation metrics like P/FFO and P/AFFO effectively non-calculable for standard comparative analysis against industrial peers.
The extreme P/E multiple suggests that investors are pricing the company on future growth expectations rather than current earnings, which are heavily distorted by depreciation. The lack of positive AFFO makes it difficult to derive an implied cap rate that would be meaningful for a REIT, warranting caution for those attempting to benchmark IRM against traditional storage REITs.
According to recent quarterly data, Iron Mountain's NOI margin has hovered between 54.0% and 57.6%, suggesting that the integration of lower-margin service-heavy segments like Asset Lifecycle Management may be creating a structural drag on the profitability of the legacy storage business.
While the margins remain relatively stable, the slight compression observed over the last ten quarters indicates that the company's pivot toward data centers and ALM requires a higher operating cost base. Investors should monitor whether these newer segments can achieve the scale necessary to improve margins or if they will continue to dilute the profitability profile of the core storage portfolio.
As reported in financial statements, the FFO payout ratio has frequently exceeded 80% and reached as high as 107.6% in 2025Q2, which, when combined with consistently negative AFFO, suggests that the current dividend distribution is being funded by external capital rather than organic cash flow.
The reliance on debt to sustain dividend payments in the face of negative AFFO appears to be a significant risk factor for long-term income investors. This payout structure leaves little room for operational volatility and suggests that the dividend may be vulnerable if the company's access to capital markets tightens or if growth initiatives fail to yield expected returns.
Based on the provided quarterly data, Iron Mountain's interest coverage ratio has remained thin, fluctuating between 0.87 and 1.77, which indicates that the company's ability to service its debt obligations is highly sensitive to interest rate volatility and operational performance.
The combination of high debt levels and negative equity positions suggests a vulnerable balance sheet that is heavily reliant on continuous reinvestment. The company's aggressive capital expenditure cycle, necessary to support its data center pipeline, appears to be outpacing its internal cash generation, which may limit future financial flexibility.
As indicated by the company's financial profile, the P/E ratio is the most commonly misapplied metric for Iron Mountain, as it fails to account for the massive non-cash depreciation charges inherent in a capital-intensive REIT model.
Using P/E to value IRM obscures the true cash-generative potential of its real estate assets and leads to a distorted view of valuation. Analysts should instead focus on AFFO and implied cap rates to better understand the company's ability to generate sustainable cash flow after accounting for the maintenance capex required to keep its global infrastructure operational.
Includes 30+ ratios · 30 years · Updated daily
DCF models, multiple analysis, and analyst estimates.
10-year return with dividends reinvested.
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Compare growth, multiples, and margins vs sector.
Quick answers to the most common questions about buying IRM stock.
Iron Mountain Incorporated's current P/E ratio is 237.5x. The historical average is 55.1x. This places it at the 100th percentile of its historical range.
Iron Mountain Incorporated's current EV/EBITDA is 22.0x. This enterprise value multiple compares the company's total value (equity + debt - cash) to its EBITDA. The historical average is 13.6x.
Based on historical data, Iron Mountain Incorporated is trading at a P/E of 237.5x. This is at the 100th percentile of its historical P/E range. Compare with industry peers and growth rates for a complete picture.
Iron Mountain Incorporated's current dividend yield is 2.65% with a payout ratio of 635.9%.
Iron Mountain Incorporated has 25.7% gross margin and 20.4% operating margin. Operating margin above 20% indicates strong pricing power and cost efficiency.
Iron Mountain Incorporated's Debt/EBITDA ratio is 7.8x, indicating high leverage. A ratio above 4x may signal elevated financial risk.