NYSE: IRM

IRON MOUNTAIN INC

CIK 0001020569 · SIC 6798 · Real Estate Investment Trusts

Large Revenue $6.9B Assets $22.0B as of Nov 1, 2026

Every 8-K is open in full. Other 10-Ks and 10-Qs show a 3-bullet preview. A free account reads 3 more full reports a month. Generating a report requires a verified account.

Sign up free

Want to see a complete report first? Today's free report (ACMR 10-Q) is open in full — no account needed.

10-Q Filed Nov 5, 2026 · Period ending Sep 30, 2026

Summary not yet generated.

8-K Filed Nov 5, 2026 · Period ending Nov 5, 2026

Summary not yet generated.

Partner

Trade IRM commission-free

Open an account, get a free stock.

Sign up

Investing involves risk. Free stock terms apply.

8-K Filed Aug 5, 2026 · Period ending Aug 5, 2026

Summary not yet generated.

10-Q Filed Aug 5, 2026 · Period ending Jun 30, 2026

revenue $2.03B, net income $106.1M. Revenue +18.5% YoY; operating income +44%; Project Matterhorn transformation complete

5 material changes detected. Sign up free to read the summary.

8-K Filed Jun 26, 2026 · Period ending Jun 26, 2026

Iron Mountain raises $1.5B via 6.250% senior notes due 2035 to refinance credit facility

4 material changes detected. Sign up free to read the summary.

8-K Filed May 12, 2026 · Period ending May 7, 2026

Iron Mountain shareholders re-elect all 11 directors, approve executive pay at annual meeting

4 material changes detected. Sign up free to read the summary.

8-K Filed Apr 30, 2026 · Period ending Apr 30, 2026

Iron Mountain reports record Q1 2026: revenue up 22%, raises full-year guidance

5 material changes detected. Sign up free to read the summary.

10-Q Filed Apr 30, 2026 · Period ending Mar 31, 2026

revenue $1.94B, net income $149.0M. Iron Mountain Q1 revenue up 21.6% as data center leases drive 47% segment growth

5 material changes detected. Sign up free to read the summary.

8-K Filed Mar 9, 2026 · Period ending Mar 9, 2026

Summary not yet generated.

10-K Filed Feb 12, 2026 · Period ending Dec 31, 2025

Summary not yet generated.

10-Q Filed Nov 5, 2025 · Period ending Sep 30, 2025

Summary not yet generated.

10-Q Filed Aug 6, 2025 · Period ending Jun 30, 2025

Summary not yet generated.

10-Q Filed May 1, 2025 · Period ending Mar 31, 2025

Summary not yet generated.

10-K Filed Feb 14, 2025 · Period ending Dec 31, 2024

Summary not yet generated.

Latest financial statements

From 10-Q filed Nov 5, 2026 (period ending Sep 30, 2026). As printed on the EDGAR/iXBRL face — not generated by the model.

As filed

Condensed Consolidated Statements of Operations (Unaudited)

(IN THOUSANDS, EXCEPT PER SHARE DATA)

Description Three months ended September 30, 2026 Three months ended September 30, 2025
Revenues:
Storage rental 1,149,508 1,032,897
Service 841,109 721,196
Total Revenues 1,990,617 1,754,093
Operating Expenses:
Cost of sales (excluding depreciation and amortization) 926,648 791,939
Selling, general and administrative 348,765 335,248
Depreciation and amortization 291,796 262,203
Acquisition and Integration Costs 4,547 5,402
Restructuring and other transformation — 47,346
Loss (gain) on disposal/write-down of property, plant and equipment, net 8,288 3,366
Total Operating Expenses 1,580,044 1,445,504
Operating Income (Loss) 410,573 308,589
Interest Expense, Net (includes Interest Income of $10,262 and $8,061 for the three months ended September 30, 2026 and 2025, respectively) 216,521 209,740
Other Expense (Income), Net 8,440 (3,986)
Net Income (Loss) Before Provision (Benefit) for Income Taxes 185,612 102,835
Provision (Benefit) for Income Taxes 56,734 16,594
Net Income (Loss) 128,878 86,241
Less: Net Income (Loss) Attributable to Noncontrolling Interests 4,738 1,951
Net Income (Loss) Attributable to Iron Mountain Incorporated 124,140 84,290
Net Income (Loss) Per Share Attributable to Iron Mountain Incorporated:
Basic 0.42 0.28
Diluted 0.41 0.28
Weighted Average Common Shares Outstanding—Basic 297,986 295,771
Weighted Average Common Shares Outstanding—Diluted 299,994 297,981

Condensed Consolidated Balance Sheets (Unaudited)

(IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)

Description September 30, 2026 December 31, 2025
ASSETS
Current Assets:
Cash and cash equivalents 188,160 158,535
Accounts receivable (less allowances of $103,102 and $107,838 as of September 30, 2026 and December 31, 2025, respectively) 1,507,674 1,443,669
Prepaid expenses and other 405,025 332,779
Total Current Assets 2,100,859 1,934,983
Property, Plant and Equipment:
Property, plant and equipment 15,978,288 14,457,335
Less—Accumulated depreciation (5,304,203) (4,911,010)
Property, Plant and Equipment, Net 10,674,085 9,546,325
Other Assets, Net:
Goodwill 5,280,352 5,285,801
Customer and supplier relationships and other intangible assets 1,208,451 1,269,607
Operating lease right-of-use assets 2,359,510 2,465,196
Other 700,117 623,107
Total Other Assets, Net 9,548,430 9,643,711
Total Assets 22,323,374 21,125,019
LIABILITIES AND EQUITY
Current Liabilities:
Current portion of long-term debt 1,232,903 216,074
Accounts payable 782,400 710,662
Accrued expenses and other current liabilities (includes current portion of operating lease liabilities) 1,394,332 1,290,669
Deferred revenue 378,117 402,091
Total Current Liabilities 3,787,752 2,619,496
Long-term Debt, net of current portion 16,739,299 16,215,885
Long-term Operating Lease Liabilities, net of current portion 2,186,718 2,300,448
Other Long-term Liabilities 416,139 450,083
Deferred Income Taxes 194,222 184,015
Commitments and Contingencies
Redeemable Noncontrolling Interests 62,186 64,423
(Deficit) Equity:
Iron Mountain Incorporated Stockholders' (Deficit) Equity:
Preferred stock (par value $0.01; authorized 10,000,000 shares; none issued and outstanding) — —
Common stock (par value $0.01; authorized 400,000,000 shares; issued and outstanding 297,793,337 and 295,788,645 shares as of September 30, 2026 and December 31, 2025, respectively) 2,978 2,958
Additional paid-in capital 4,856,367 4,790,190
(Distributions in excess of earnings) Earnings in excess of distributions (5,825,184) (5,405,147)
Accumulated other comprehensive items, net (422,368) (369,008)
Total Iron Mountain Incorporated Stockholders' (Deficit) Equity (1,388,207) (981,007)
Noncontrolling Interests 325,265 271,676
Total (Deficit) Equity (1,062,942) (709,331)
Total Liabilities and (Deficit) Equity 22,323,374 21,125,019

Condensed Consolidated Statements of Cash Flows (Unaudited)

(IN THOUSANDS)

Description Nine months ended September 30, 2026 Nine months ended September 30, 2025
Cash Flows from Operating Activities:
Net income (loss) 383,979 59,134
Adjustments to reconcile net income (loss) to cash flows from operating activities:
Depreciation 606,013 532,468
Amortization (includes amortization of deferred financing costs and discounts of $25,365 and $24,419 for the nine months ended September 30, 2026 and 2025, respectively) 260,382 238,874
Revenue reduction associated with amortization of customer inducements and above- and below-market leases 4,368 4,468
Stock-based compensation expense 115,911 118,595
Provision (benefit) for deferred income taxes 25,576 (9,767)
Loss (gain) on disposal/write-down of property, plant and equipment, net 27,387 7,975
Loss (gain) associated with the remeasurements of deferred purchase obligations 69,803 —
Foreign currency transactions and other, net (23,575) 47,117
(Increase) decrease in assets (232,477) (155,859)
(Decrease) increase in liabilities (33,733) (3,004)
Cash Flows from Operating Activities 1,203,634 840,001
Cash Flows from Investing Activities:
Capital expenditures (1,724,205) (1,755,383)
Cash paid for acquisitions, net of cash acquired (8,033) (101,625)
Acquisition of customer intangibles (41,237) (21,204)
Contract costs (48,173) (59,607)
Investments in joint ventures and other investments, net 2,319 (43,309)
Proceeds from sales of property and equipment and other, net 11,028 12,869
Cash Flows from Investing Activities (1,808,301) (1,968,259)
Cash Flows from Financing Activities:
Repayment of revolving credit facility, term loan facilities and other debt (12,423,074) (12,747,897)
Proceeds from revolving credit facility, term loan facilities and other debt 12,372,027 13,546,589
Net proceeds from sale of senior note 1,485,000 1,390,651
Equity contributions from noncontrolling interests 95,168 —
Equity distributions to noncontrolling interests (17,418) (6,481)
Parent cash dividends (789,997) (687,204)
Payment of deferred purchase obligations and other deferred payments (9,794) (240,217)
Net (payments) proceeds associated with employee stock-based awards (89,897) (46,415)
Other, net (10,525) (7,831)
Cash Flows from Financing Activities 611,490 1,201,195
Effect of Exchange Rates on Cash and Cash Equivalents 22,802 (33,443)
Increase (Decrease) in Cash and Cash Equivalents 29,625 39,494
Cash and Cash Equivalents, Beginning of Period 158,535 155,716
Cash and Cash Equivalents, End of Period 188,160 195,210
Supplemental Information:
Cash Paid for Interest 801,904 711,517
Cash Paid for Income Taxes, Net 93,409 89,828
Non-Cash Investing and Financing Activities:
Financing Leases and Other 133,923 193,047
Accrued Capital Expenditures 329,668 247,224
Deferred Purchase Obligations and Other Deferred Payments 16,676 28,137
Dividends Payable 268,838 244,198

Amounts as printed on the EDGAR/iXBRL face — (IN THOUSANDS, EXCEPT PER SHARE DATA); (IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA); (IN THOUSANDS). Labels, columns, and figures are the filing face, not a GAAP stencil. Interactive statements & notes on EDGAR ↗