Iron Mountain Incorporated: stock overview

IRMNYSEReal estate · Real Estate Investment TrustsREIT

Price

$113.75

November 13, 2026Market cap $33.7B

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  • The full history: 10 fiscal years, from 2016
  • The estimated fair value, with its range and its certainty
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  • More questions to the chat on its filings
  • Excel with every year
  • An email when it reports, changes its dividend or an officer buys

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In short

Iron Mountain had revenue of $7.8B over the last 12 months and net income of $459M, a net margin of 5.9%. Revenue grew by 10.7% a year on average over the last 5 years. At $113.75 the shares trade at a P/E of 73.4. It has net debt of $17.8B. It pays a dividend yielding 3.04%.

From its SEC filings (latest fiscal year to December 31, 2025) and the price of November 13, 2026.

Its SEC filings
Market cap
$33.7B
296M shares
P/E
73.4
Revenue, 12 months
$7.8B
+10.7% a year over 5 years
Net margin
5.9%
2025: 2.2%, above 38% of its industry

Worth knowing

What a holder would want to hear from the company's SEC filings of the last three years. Each with its filing, without comment.

3 fiscal years in figures

Each fiscal year's figures as the company filed them, and the share price at its end.

2023–2025 fiscal years

+12.2% a year over 2 years

  • 202510-K
    Revenue$6.9B
  • 202410-K
    Revenue$6.1B
  • 202310-K
    Revenue$5.5B

Fiscal years in figures

IRM's revenue, profit, cash flow and dividend with each year-end price, from 2016 to 2022, 7 more fiscal years

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Key figures

The company's current figures in five groups. Each term is explained behind its ⓘ.

Valuation

Market cap 3-year median: $24.5B
$33.7B
Enterprise value 
$51.4B
P/E 
73.4
EV / EBIT 
33.8
EV / Revenue 
6.6
P/B 
–
FCF yield 3-year median: -1.9%
–
Earnings yield 3-year median: 0.6%
1.4%

Profitability

Gross margin 
53.9%
Operating margin 
19.5%
Net margin 3-year median: 2.9%
5.9%
ROIC 
7.8%
ROIC, 5-year average 
6.4%
ROE 
–

Growth

Revenue, yearly change 
+12.2%
EPS, yearly change 
-19.7%
FCF, yearly change 
–
Revenue, average a year 
+10.7%
EPS, average a year 
-16.3%

The yearly change compares FY2025 with FY2024.

Balance sheet

Cash 
$188M
Total debt 
$20.5B
Of which operating leases 
$2.5B
Net debt 
$17.8B
Net debt / EBITDA 
7.0x
Interest cover 
1.7x
Current ratio 
0.55

Balance sheet of September 30, 2026.

Returns to shareholders

Dividend yield 3-year median: 3.6%
3.04%
Buybacks 
–
Total returned 
3.04%
Shares, yearly change 
+0.7%
Valuation against its own pastEach fiscal year's P/E, P/FCF and P/B beside today's, and the DCF calculator for the company.Valuation

Against its industry

Where its margins and returns stood in fiscal 2025 among the SEC filers of its industry (SIC code 67).

Operating margin

16.9%

Above 33% of the 106 companies in its industry, and 78% of all.

Net margin

2.2%

Above 38% of the 212 companies in its industry, and 43% of all.

ROA

0.7%

Above 42% of the 221 companies in its industry, and 41% of all.

Revenue growth

12.2%

Above 80% of the 211 companies in its industry, and 68% of all.

From the yearly figures every company files with the SEC, for those with revenue of at least $25 million. The industry is the first two digits of the SIC code.

The company at the SEC

How it is registered and when its fiscal year ends.

Name at the SEC
IRON MOUNTAIN INC
CIK
1020569
Exchange
NYSE
Industry (SIC)
6798 · Real Estate Investment Trusts
Fiscal year ends
December 31
Latest annual report
December 31, 2025
Reporting currency
USD
Shares
296M

Other companies: Real estate

The largest companies of the same sector, each with its own page.

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The full analysis

What do Iron Mountain's filings show?

These are Iron Mountain's figures. The full Ploutos AI analysis reads everything the company has filed and shows what stands behind it, with a source for every figure.

  • A fair value range built from the filings
  • Earnings quality, debt and red flags
  • Insider and institutional moves
  • The case for and the case against

Questions about IRM

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What is IRM's market cap?

Iron Mountain Incorporated's market cap is $33.7B, at a price of $113.75 on November 13, 2026 and 296M shares.

What is IRM's P/E?

IRM's P/E is 73.4, on earnings per share of $1.53 over the last 12 months.

How much revenue does IRM have?

Iron Mountain had revenue of $7.8B over the last 12 months. Over the last 5 years it changed by +10.7% a year on average.

Does IRM pay a dividend?

Yes. Iron Mountain paid $3.46 per share over the last 12 months, a yield of 3.04% at today's price. All the figures are in the Dividend section.

Where do the figures come from?

From Iron Mountain Incorporated's SEC filings (10-K and 10-Q) and the share price. They hold no analyst estimates and no score, and they are not a recommendation.

Related pages

The other pages on US stocks, free to read. On the company pages, the last three fiscal years are open to everyone, five with a free account, and every year with Ploutos Investor.

US stocksThe market today, the sectors, the largest companies and the week's results.The market's sectorsThe 11 sectors side by side: returns, share of the market, median P/E and dividend.Compare stocksTwo companies side by side: price over up to ten years, with and without dividends, and every figure.US dividend stocksEach dividend's yield next to whether the company's cash covers it and whether it was ever cut.

The figures come from the company's SEC filings and the share price, and describe what it has reported. They are not a score or a fair value.