Iron Mountain Inc (IRM)

Iron Mountain Incorporated is trusted by more than 240,000 customers in 61 countries, including approximately 95% of the Fortune 1000, to help unlock value and intelligence from their assets through services that transcend the physical and digital worlds. Our broad range of solutions address their information management, digital transformation, information security, data center and asset lifecycle management needs. Iron Mountain Incorporated is based in Portsmouth, New Hampshire. Iron Mountain Incorporated was founded in 1951 and is incorporated in Delaware and is based in Portsmouth, New Hampshire.

Symbol: IRM
Exchange: NYSE
Sector: Real Estate
Industry: REIT - Specialty
Market cap: $33.75B
52 week range: 77.77 - 134.68

Valuation

Share price: $113.39 (close of 2026-10-02)
P/E (TTM): 80.42x
Price to book: -35.34x
Price to free cash flow: -68.75x
Enterprise value: $53.16B
Book value per share: $-3.21

Price performance

Period	Change
1 day	+2.03%
5 days	+1.80%
1 month	+1.39%
3 months	-3.22%
6 months	+9.77%
Year to date	+36.70%
1 year	+9.77%
3 years	+93.27%
5 years	+157.88%
10 years	+202.13%
All time	+3756.80%

Members of Congress who disclosed IRM trades

Markwayne Mullin

Super investors holding IRM

Ken Griffin (Citadel)

Profitability and growth

Return on equity: -21.46%
Return on invested capital: 6.08%
Return on assets: 0.72%
Return on capital employed: 6.29%
Gross margin: 37.06%
Net margin: 2.21%
EBITDA margin: 31.71%
Revenue growth: 12.23%
Net income growth: -17.10%
Free cash flow growth: -56.61%

Cash flow and balance sheet

Free cash flow yield (TTM): -1.45%
Current ratio: 0.73x
Net debt to EBITDA: 7.72x

Latest reported year

Period end: 2025-12-31
Fiscal year: 2025
Revenue: $6.90B
Cost of revenue: $4.34B
Gross profit: $2.56B
EBITDA: $2.19B
Net income: $152.25M
Earnings per share: $0.49
Shares outstanding: 295.40M

Income statement by year

Period end	Revenue	Gross profit	Net income	EPS
2025-12-31	$6.90B	$2.56B	$152.25M	$0.49
2024-12-31	$6.15B	$2.35B	$183.67M	$0.61
2023-12-31	$5.48B	$2.16B	$187.26M	$0.63
2022-12-31	$5.10B	$2.19B	$562.15M	$1.92
2021-12-31	$4.49B	$1.88B	$452.73M	$1.56
2020-12-31	$4.15B	$1.88B	$343.10M	$1.19
2019-12-31	$1.58B	-	$268.31M	$0.93
2018-12-31	$1.60B	-$198.28M	$355.13M	$1.24
2017-12-31	$3.85B	$2.16B	$171.72M	$0.64
2016-12-31	$3.51B	$1.94B	$107.23M	$0.43

Margins and returns by year

Period end	Gross margin	Net margin	Return on equity	Return on capital
2025-12-31	37.06%	2.21%	-21.46%	6.08%
2024-12-31	38.20%	2.99%	-60.28%	5.96%
2023-12-31	39.38%	3.42%	88.43%	5.97%
2022-12-31	42.92%	11.01%	88.28%	7.11%
2021-12-31	41.78%	10.08%	52.82%	5.35%
2020-12-31	45.43%	8.27%	30.18%	7.36%
2019-12-31	-	16.97%	18.32%	5.89%
2018-12-31	-12.37%	22.15%	19.07%	7.33%
2017-12-31	56.18%	4.47%	7.51%	7.27%
2016-12-31	55.35%	3.05%	5.54%	5.74%

Cash and debt by year

Period end	Cash	Debt
2025-12-31	$158.53M	$16.22B
2024-12-31	$155.72M	$13.00B
2023-12-31	$222.79M	$11.81B
2022-12-31	$141.80M	$10.48B
2021-12-31	$255.83M	$8.96B
2020-12-31	$205.06M	$8.51B
2019-12-31	$193.56M	$8.28B
2018-12-31	$165.49M	$8.02B
2017-12-31	$925.70M	$6.90B
2016-12-31	$236.48M	$6.08B

Free cash flow by year

Period end	Free cash flow	Stock-based compensation
2025-12-31	-$931.63M	$140.28M
2024-12-31	-$594.86M	$118.14M
2023-12-31	-$225.66M	$73.80M
2022-12-31	$52.32M	$56.86M
2021-12-31	$147.82M	$61.00M
2020-12-31	$549.39M	$37.67M
2019-12-31	$273.67M	$35.65M
2018-12-31	$475.49M	$31.17M
2017-12-31	$377.84M	$30.02M
2016-12-31	$215.29M	$28.98M

Dividend history

Most recent payment: 2026-09-15
Paid in the last twelve months: $3.46

Payment date	Dividend per share
2026-09-15	$0.86
2026-06-15	$0.86
2026-03-16	$0.86
2025-12-15	$0.86
2025-09-15	$0.79
2025-06-16	$0.79
2025-03-17	$0.79
2024-12-16	$0.71

Investor relations

Next earnings report

Next confirmed report: 2026-11-04
Consensus EPS estimate: $1.35

Past earnings dates

Reported	Fiscal period	EPS estimate
2026-08-05	Jun/2026	$1.28
2026-04-30	Mar/2026	$1.27
2026-02-12	Dec/2025	$1.30
2025-11-05	Sep/2025	$1.14
2025-08-06	Jun/2025	$1.10
2025-05-01	Mar/2025	$1.05
2025-02-13	Dec/2024	$1.11
2024-11-06	Sep/2024	$1.02

Filings and sources

Company website: ironmountain.com
SEC filings: 10-K, 10-Q and 8-K on EDGAR
Earnings calendar: All upcoming reports

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