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IRM
Iron Mountain Inc
NYSE· Real Estate· REIT - Specialty· CUSIP 46284V101
$110.66-3.54%Price as of Oct 23, 00:46 UTC · updated once a day, after the close
At a glance
Iron Mountain Inc (IRM) is listed on NYSE and classified in REIT - Specialty, part of the Real Estate sector. It is headquartered in Portsmouth, United States and has 29,400 employees. The company is worth $32.94B and trades at 79.0x its earnings of the last twelve months; the median for its sector is 22.1x. Revenue was $6.9B in fiscal 2025, up 12.2% from the year before. Net income was $152.25M. The share price is 17.8% below its 52-week high of $134.68. It pays a dividend yielding 3.13%. 6 of the 38 superinvestors we track held it at the end of Q2 2026. The largest position belongs to Cliff Asness (AQR Capital Management), at $266.5M. In that quarter, 1 of them opened or added to the position and 4 reduced it. Over the last 30 days, company insiders sold $4.8M of its stock on the open market and bought none. All of those sales were scheduled in advance under 10b5-1 plans.
Written from the data on this page: SEC filings (13F, Form 4, annual reports) and market prices.
Key metrics
- Market cap
- $32.94B
- P/E
- 79.0x
- Forward P/E
- 40.5x
- P/B
- —
- Dividend yield
- 3.13%
- Payout
- 247.14%
- EPS
- $1.40
- ROE
- —
- Profit margin
- 5.54%
- Revenue growth
- +18.50%
- Beta
- 1.19
- 52-week high
- $134.68
- 52-week low
- $77.77
History
Year by year, from the annual reports; dividends from the payments themselves.
Bars are year-end balances; lines are what happened during the year.
Investors holding this
Major managers that reported this stock in their latest 13F.
Price over time
▲ +147.6% over 5Y.
today you would have $2,979.20▲ +197.9%
Dividends reinvested, splits accounted for. Past prices say what happened, not what will.
Indicators, year by year
The last 18 closed years, each at that year’s closing price and reported numbers.
| Indicator | Median | 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | 2015 | 2014 | 2013 | 2012 | 2011 | 2010 | 2009 | 2008 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Year-end price | $82.95 | $105.11 | $69.98 | $49.85 | $52.33 | $29.48 | $31.87 | $32.41 | $37.73 | $32.48 | $27.01 | $38.66 | $28.05 | $28.70 | $28.47 | $23.11 | $21.04 | $22.86 |
Fair price, seven ways
Seven formulas applied to the reported numbers, each with its assumption next to the result. None of them predicts a price.
Earnings
—
This formula has no meaning here — usually a loss, negative cash flow, or a missing input.
Earnings
—
This formula has no meaning here — usually a loss, negative cash flow, or a missing input.
Earnings
$30.94
Median P/E of 22.1 among peers in the sector.
Earnings
$47.98
Median P/E of 34.3 across this company’s own years on record.
Cash flow
—
This formula has no meaning here — usually a loss, negative cash flow, or a missing input.
Operating
$48.97
Sector median of 14.1x operating profit, less net debt. Banks have no EBITDA.
Dividends
$178.74
Others in the same sector
Companies of similar size in Real Estate, for comparison. The columns are the same ones above, in the same order.
| Stock | Price | P/E | P/B | Dividend yield | ROE | Market cap |
|---|---|---|---|---|---|---|
| EXRExtra Space Storage Inc. | $143.19 | 30.9x | 2.3x | 4.53% | 6.95% | $31.6B |
| CCICrown Castle Inc | $78.83 | 31.5x | — | 5.39% | — | $34.45B |
| CBRECBRE Group Inc | $131.24 | 30.8x | 4.4x | 0.00% | 15.80% | $38B |
| VICIVICI Properties Inc | $24.02 |
About the company
- 29,400
- Portsmouth, United States