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IRMIron Mountain Incorporated
$116.38$34.6B
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  4. Financial Ratios

Iron Mountain Incorporated (IRM) Financial Ratios

Latest Ratios: P/E Ratio 237.5x · EV/EBITDA 22.0x · ROE N/A. (1996–2025 historical series)

Income StatementBalance SheetCash FlowRatios
AnnualQuarterly

IRM Valuation Multiples

Price-based multiples — how expensive the stock is relative to earnings, sales, book value, and cash flow

MetricTTMFY 2025FY 2024FY 2023FY 2022FY 2021FY 2020FY 2019FY 2018FY 2017FY 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 →237.51169.29172.31111.0826.2433.7624.7734.2725.5258.9577.33
P/S Ratio5.023.585.063.752.863.392.052.152.202.622.29
P/B Ratio———52.7919.9216.387.496.264.994.384.15
P/FCF————330.48113.1915.9242.0223.0533.2748.81
P/OCF25.8418.4426.0218.4715.7120.068.629.489.9313.9614.77

P/E links to full P/E history page with 30-year chart

IRM EV Ratios

Enterprise-value multiples — capital-structure-neutral measures of total business value

MetricTTMFY 2025FY 2024FY 2023FY 2022FY 2021FY 2020FY 2019FY 2018FY 2017FY 2016
EV / Revenue—6.327.706.415.435.944.654.604.094.214.00
EV / EBITDA22.0217.9424.4620.4915.4417.2012.0313.4511.8014.0014.72
EV / EBIT38.0741.1648.2842.5624.5825.3024.1425.9820.8928.7930.22
EV / FCF————628.48198.2836.1289.7942.8553.4885.37

IRM Profitability

Margins and return-on-capital ratios measuring operating efficiency

Margins

Full margin charts and quarterly trend are on the Earnings History page

MetricTTMFY 2025FY 2024FY 2023FY 2022FY 2021FY 2020FY 2019FY 2018FY 2017FY 2016
Gross Margin25.7%25.7%56.2%57.0%57.1%58.0%57.6%57.0%57.4%56.2%55.4%
Operating Margin20.4%20.4%16.4%16.8%20.6%19.0%22.5%18.3%19.1%16.5%14.3%
Net Profit Margin2.1%2.1%2.9%3.4%10.9%10.0%8.3%6.3%8.6%4.8%3.0%

Return on Capital

MetricTTMFY 2025FY 2024FY 2023FY 2022FY 2021FY 2020FY 2019FY 2018FY 2017FY 2016
ROE——220.8%32.8%67.0%43.6%26.4%16.1%17.5%8.7%8.5%
ROA0.7%0.7%1.0%1.1%3.6%3.1%2.5%2.1%3.2%1.8%1.3%
ROIC6.2%6.2%4.9%4.8%6.0%5.3%5.9%5.4%6.6%5.8%5.7%
ROCE8.2%8.2%6.5%6.3%7.9%6.9%7.8%7.0%8.1%7.0%7.2%

IRM Leverage & Debt

Solvency and debt-coverage ratios — lower is generally safer

MetricTTMFY 2025FY 2024FY 2023FY 2022FY 2021FY 2020FY 2019FY 2018FY 2017FY 2016
Debt / Equity———37.9418.1512.599.687.254.373.063.23
Debt / EBITDA7.847.848.468.627.407.546.867.295.566.096.55
Net Debt / Equity———37.3717.9612.329.497.124.282.663.11
Net Debt / EBITDA7.787.788.378.497.327.386.737.165.455.296.31
Debt / FCF————297.9985.0920.2047.7719.7920.2136.56
Interest Coverage1.281.281.331.382.272.481.871.771.991.561.46

IRM Liquidity & Efficiency

Short-term solvency ratios and asset-utilisation metrics

MetricTTMFY 2025FY 2024FY 2023FY 2022FY 2021FY 2020FY 2019FY 2018FY 2017FY 2016
Current Ratio0.740.740.550.780.810.710.640.630.831.471.06
Quick Ratio0.740.740.550.780.810.710.640.630.831.471.06
Cash Ratio0.060.060.050.100.070.130.100.100.110.700.23
Asset Turnover—0.330.330.310.320.310.290.310.360.350.37
Inventory Turnover———————————
Days Sales Outstanding———————————

IRM Shareholder Yields

Earnings, FCF, buyback, and dividend yields — total returns to shareholders

Dividends

Full dividend history and growth charts are on the Dividend History page

MetricTTMFY 2025FY 2024FY 2023FY 2022FY 2021FY 2020FY 2019FY 2018FY 2017FY 2016
Dividend Yield2.7%3.7%2.5%3.6%5.0%4.7%8.4%7.7%7.3%4.4%6.3%
Payout Ratio635.9%635.9%438.2%400.4%130.1%159.6%209.0%263.5%185.4%239.4%482.6%

Total Shareholder Return Metrics

MetricTTMFY 2025FY 2024FY 2023FY 2022FY 2021FY 2020FY 2019FY 2018FY 2017FY 2016
Earnings Yield0.4%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 Yield0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%0.0%
Total Shareholder Yield2.7%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

Key Metrics

Growth RegimeExpanding
ProfitabilityStrained
Balance SheetVulnerable
Cash FlowBurning
Top Statement Risk

Negative AFFO cash burn

Verified Source

Metrics are mathematically derived from official filings.

SEC 10-K (2026Q1)

Valuation Disconnected from Cash Realities

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.

NOI Margins Reflect Operational Shift

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.

Dividend Sustainability Under Structural Pressure

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.

Leverage Constraints and Capital Intensity

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.

Misapplication of Standard P/E Multiples

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.

Download Financial Ratios Data

Includes 30+ ratios · 30 years · Updated daily

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IRM — Frequently Asked Questions

Quick answers to the most common questions about buying IRM stock.

What is Iron Mountain Incorporated's P/E ratio?

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.

What is Iron Mountain Incorporated's EV/EBITDA?

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.

Is IRM stock overvalued?

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.

What is Iron Mountain Incorporated's dividend yield?

Iron Mountain Incorporated's current dividend yield is 2.65% with a payout ratio of 635.9%.

What are Iron Mountain Incorporated's profit margins?

Iron Mountain Incorporated has 25.7% gross margin and 20.4% operating margin. Operating margin above 20% indicates strong pricing power and cost efficiency.

How much debt does Iron Mountain Incorporated have?

Iron Mountain Incorporated's Debt/EBITDA ratio is 7.8x, indicating high leverage. A ratio above 4x may signal elevated financial risk.