Iron Mountain Inc (IRM) stock
IRMNYSEReal Estate Investment TrustsFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 30, 2026Last filing: 10-Q on Nov 5, 2026Score 7/3064% above fair value
$114.58+2.15 (+1.91%)
Close on Nov 12, 2026Market cap $34.11BP/E 74.9Yield 2.81%
Iron Mountain statistics
92 measures from SEC filings and the closing price. Hover a name for the formula; the last column is the median of companies in the same industry group.
Important dates
- Next earnings
- Feb 11, 2027 (estimated, before the open)
- Last ex-dividend date
- Sep 15, 2026
- Fundamentals through
- Sep 30, 2026
- Share price as of
- Nov 12, 2026
Valuation ratiosIndustry
- P/OCF Ratio
- 20.02
- 12.53
Enterprise valuationIndustry
- EV / Sales
- 6.70
- 4.52
- EV / EBIT
- 34.35
- 16.11
Share statisticsIndustry
- Shares Change (YoY)
- 0.78%
- 0.55%
- Shares Change (QoQ)
- 0.04%
- 0.00%
- Float
- 295M
- 24M
- Shares Held by Insiders
- 0.82%
- 17.7%
- Shares Held by Institutions
- 86.4%
- 69.2%
Short sellingIndustry
- Short Interest
- 7M
- –
- Short Interest Change
- -1.46%
- 0.40%
- Short % of Float
- 2.39%
- 3.95%
- Short % of Shares Outstanding
- 2.37%
- 3.18%
- Days to Cover
- 5.56
- 1.00
Stock price statisticsIndustry
- 52-Week High
- $134.68
- –
- 52-Week Low
- $77.77
- –
- 20-Day Moving Average
- $113.13
- –
- 50-Day Moving Average
- $113.55
- –
- 200-Day Moving Average
- $116.10
- –
- Average True Range (14)
- $4.33
- –
- Price Change (1 Week)
- 8.61%
- 0.10%
- Price Change (1 Month)
- 3.36%
- 0.30%
- Price Change (3 Months)
- -11.5%
- 0.33%
- Price Change (6 Months)
- -10.3%
- 1.31%
- Price Change (YTD)
- 38.1%
- 2.83%
- Price Change (1 Year)
- 13.3%
- 1.81%
- Price Change (3 Years)
- 93.9%
- -0.25%
- Price Change (5 Years)
- 141.0%
- -28.4%
- Price Change (10 Years)
- 263.3%
- -19.8%
- Average Volume (10 Days)
- 2M
- –
- Average Volume (20 Days)
- 2M
- –
- Average Volume (90 Days)
- 2M
- –
- Relative Volume
- 1.30
- 0.79
- Relative Strength Index (14)
- 52.2
- 55.6
- Volatility (1 Year)
- 35.0%
- 17.9%
- Beta (5 Years)
- 1.06
- 0.69
MarginsIndustry
- Pretax Margin
- 7.53%
- 13.4%
- EBITDA Margin
- 33.8%
- 50.8%
- FCF Margin
- -6.88%
- 17.8%
Returns on capitalIndustry
- Return on Invested Capital (ROIC)
- 7.84%
- 9.00%
- Return on Capital Employed (ROCE)
- 8.20%
- -0.78%
Financial positionIndustry
- Current Ratio
- 0.55
- 2.08
- Quick Ratio
- 0.45
- 1.51
- Debt / EBITDA
- 6.81
- 3.64
- Net Debt / EBITDA
- 6.74
- 2.68
- Interest Coverage
- 1.72
- 2.12
GrowthIndustry
- Revenue Growth (YoY)
- 17.5%
- 4.64%
- EPS Growth (YoY)
- 188.7%
- 1.20%
- Revenue Growth (3Y CAGR)
- 10.6%
- 4.18%
- Revenue Growth (5Y CAGR)
- 10.7%
- 7.63%
- EPS Growth (3Y CAGR)
- -36.3%
- -0.11%
- EPS Growth (5Y CAGR)
- -16.3%
- 6.21%
EfficiencyIndustry
- Asset Turnover
- 0.36
- 0.13
- Revenue Per Employee
- $666.58K
- $2.42M
- Employee Count
- 11,700
- 67
- WACC
- 8.12%
- 8.36%
Income statement (TTM)Industry
- Pretax Income
- $586.96M
- $14.55M
Balance sheetIndustry
- Net Cash (Debt)
- -$17.78B
- $845.20K
- Net Cash Per Share
- -$59.74
- $0.03
- Equity (Book Value)
- -$1.39B
- -$78.08K
- Book Value Per Share
- -$4.66
- -$0.00
- Tangible Book Value
- -$7.88B
- -$170.61K
- Working Capital
- -$1.69B
- $334.67K
Cash flow (TTM)Industry
- Capital Expenditures
- -$2.24B
- -$90.95M
- FCF Per Share
- -$1.80
- $0.71
Dividends and yieldsIndustry
- FCF Yield
- -1.57%
- 4.24%
- Dividend Yield
- 2.81%
- 5.51%
- Shareholder Yield
- 2.81%
- 5.51%
- Dividend Per Share
- $3.22
- $1.39
- Dividend Growth (YoY)
- 17.9%
- 1.18%
- Years of Dividend Growth
- 3
- 1
Taxes and interestIndustry
- Interest Expense
- $883.58M
- $65.39M
- Income Tax
- $109.86M
- $237.00K
- Effective Tax Rate
- 18.7%
- 1.56%
Scores and fair valueIndustry
- Altman Z-Score
- 1.36
- 10.51
- Beneish M-Score
- -2.66
- -2.58
Total return vs. the S&P 500
Price change plus reinvested dividends, to the close on Nov 12, 2026. The S&P 500 is measured by the SPY fund.
| Period | IRM | S&P 500 | Difference | IRM per year | S&P 500 per year |
|---|---|---|---|---|---|
| 1 month | -0.5% | -2.7% | +2.2 pts | ||
| 3 months | -7.1% | -1.7% | −5.4 pts | ||
| Year to date | +41.3% | +11.9% | +29.4 pts | ||
| 1 year | +20.7% | +12.0% | +8.8 pts | ||
| 3 years | +112.2% | +78.2% | +34.0 pts | +28.5% | +21.2% |
| 5 years | +191.2% | +73.2% | +118.0 pts | +23.8% | +11.6% |
| 10 years | +524.3% | +309.6% | +214.7 pts | +20.1% | +15.1% |
Short interest
Shares sold short and not yet covered, reported by brokers to FINRA twice a month. Latest settlement date Oct 30, 2026.
7M IRM shares were sold short on Oct 30, 2026, down 1.5% from the previous report, or 2.39% of the shares available to trade. At recent volumes it would take 5.6 days to buy them back. Over the last 20 sessions, 57.6% of the volume reported to FINRA was short selling.
| Settlement date | Shares short | Change | Avg. daily volume | Days to cover |
|---|---|---|---|---|
| Oct 30, 2026 | 7,042,041 | -1.5% | 1,266,655 | 5.6 |
| Oct 15, 2026 | 7,146,315 | +2.1% | 1,391,692 | 5.1 |
| Sep 30, 2026 | 6,999,689 | -11.8% | 1,651,510 | 4.2 |
| Sep 15, 2026 | 7,932,714 | +22.7% | 1,690,225 | 4.7 |
| Aug 31, 2026 | 6,463,287 | -9.0% | 1,359,386 | 4.8 |
| Aug 14, 2026 | 7,103,268 | -15.2% | 1,821,231 | 3.9 |
| Jul 31, 2026 | 8,378,595 | +1.5% | 1,872,859 | 4.5 |
| Jul 15, 2026 | 8,256,613 | +10.7% | 2,418,442 | 3.4 |
| Jun 30, 2026 | 7,458,588 | -7.6% | 1,850,528 | 4.0 |
| Jun 15, 2026 | 8,070,353 | +10.5% | 1,298,291 | 6.2 |
| May 29, 2026 | 7,300,638 | -1.0% | 1,218,441 | 6.0 |
| May 15, 2026 | 7,372,454 | -3.5% | 1,689,867 | 4.4 |
Ratios use trailing-twelve-month results and the latest balance sheet. How we calculate.
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