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IRM · NYSE

Iron Mountain Incorporated (Delaware) (IRM) Stock Price & Fundamentals

$347.34+0.29%+$1.01End-of-day price as of Oct 9, 2026

Iron Mountain Incorporated (Delaware) (IRM) closed at $347.34 on Oct 9, 2026, up 0.29% from the previous close of $346.33.

Share price, past year

1Y −0.89%

52-week range $318.02 – $386.71. Daily closing prices.
Monthly closing prices
Last closing price of each month
DateClose
Oct 9, 2026$347.34
Sep 30, 2026$348.81
Aug 31, 2026$355.41
Jul 31, 2026$356.50
Jun 30, 2026$377.59
May 29, 2026$350.31
Apr 30, 2026$344.76
Mar 31, 2026$333.52
Feb 27, 2026$321.88
Jan 30, 2026$344.17
Dec 31, 2025$347.14
Nov 28, 2025$369.73
Oct 31, 2025$366.96

Key statistics

Market cap
$103.39B
P/E (TTM)
246.3
EPS (TTM)
$1.41
Revenue (TTM)
$7.56B
Net income (TTM)
—
Shares outstanding
297.7M
Dividend yield
0.97%
52-week range
$318.02 – $386.71

Iron Mountain Incorporated (Delaware)'s market cap is $103.39B, based on a share price of $347.34 and 297.7M shares outstanding as of Jun 30, 2026.

Financials

Iron Mountain Incorporated (Delaware) reported revenue of $6.90B for fiscal 2025, up 12.23% from fiscal 2024.

Iron Mountain Incorporated (Delaware) reported a net loss of $53.90M in fiscal 2010.

Fiscal 2025 revenue was the highest in the 10 years shown.

Annual revenue

FY16FY17FY18FY19FY20FY21FY22FY23FY24FY25
Annual revenue by fiscal year; the table below lists the values.
Iron Mountain Incorporated (Delaware) annual financials by fiscal year, from SEC filings
Fiscal yearRevenueGrowthNet incomeNet marginEPS (diluted)Free cash flow
FY2025ended Dec 31, 2025$6.90B+12.2%——$0.49−$931.63M
FY2024ended Dec 31, 2024$6.15B+12.2%——$0.61−$594.86M
FY2023ended Dec 31, 2023$5.48B+7.4%——$0.63−$225.66M
FY2022ended Dec 31, 2022$5.10B+13.6%——$1.90$52.32M
FY2021ended Dec 31, 2021$4.49B+8.3%——$1.55$147.82M
FY2020ended Dec 31, 2020$4.15B−2.7%——$1.19$549.39M
FY2019ended Dec 31, 2019$4.26B+0.9%——$0.93$273.67M
FY2018ended Dec 31, 2018$4.23B+9.9%——$1.23$475.49M
FY2017ended Dec 31, 2017$3.85B+9.5%——$0.64$377.84M
FY2016ended Dec 31, 2016$3.51B———$0.42$215.29M
Iron Mountain Incorporated (Delaware) quarterly results
QuarterRevenueNet incomeEPS (diluted)
Q2 FY2026ended Jun 30, 2026$2.03B—$0.34
Q1 FY2026ended Mar 31, 2026$1.94B—$0.48
Q4 FY2025ended Dec 31, 2025$1.84B—$0.31
Q3 FY2025ended Sep 30, 2025$1.75B—$0.28
Q2 FY2025ended Jun 30, 2025$1.71B—−$0.15
Q1 FY2025ended Mar 31, 2025$1.59B—$0.05
Q4 FY2024ended Dec 31, 2024$1.58B—$0.35
Q3 FY2024ended Sep 30, 2024$1.56B—−$0.11

Company profile

Name
Iron Mountain Incorporated (Delaware)
Ticker
IRM
Exchange
NYSE
Industry (SEC SIC)
Real Estate Investment Trusts
Headquarters
85 New Hampshire Avenue, Suite 150, Pease International Tradeport, Portsmouth, NH 03801
Incorporated in
DE
Fiscal year ends
December
SEC CIK
0001020569

Recent SEC filings

Frequently asked questions

What is Iron Mountain Incorporated (Delaware)'s stock price?

Iron Mountain Incorporated (Delaware) (IRM) closed at $347.34 on Oct 9, 2026, up 0.29% from the previous close of $346.33.

What is Iron Mountain Incorporated (Delaware)'s market cap?

Iron Mountain Incorporated (Delaware)'s market cap is $103.39B, based on a share price of $347.34 and 297.7M shares outstanding as of Jun 30, 2026.

How much revenue does Iron Mountain Incorporated (Delaware) make?

Iron Mountain Incorporated (Delaware) reported revenue of $6.90B for fiscal 2025, up 12.23% from fiscal 2024.

What is IRM's P/E ratio?

Iron Mountain Incorporated (Delaware)'s price-to-earnings ratio is 246.3, based on trailing twelve-month diluted EPS of $1.41.

Does Iron Mountain Incorporated (Delaware) pay a dividend?

Yes. Iron Mountain Incorporated (Delaware) declared $3.38 per share in dividends over the last four quarters, a yield of 0.97%.

Sources and methodology

Fundamentals come from Iron Mountain Incorporated (Delaware)'s filings with the SEC (EDGAR XBRL company facts). Fourth-quarter figures that companies don't report separately are calculated as the fiscal year minus the first three quarters. Trailing twelve-month (TTM) figures sum the latest four quarters. Prices are generated sample data for development. Last updated Oct 9, 2026. Data sources and disclosures