Iron Mountain dividend history

Iron Mountain's dividend was $3.22 a share in fiscal 2025, up 17.9% on the year before. That was 635.9% of net income. It has raised its dividend per share every year since fiscal 2022.

Dividends, buybacks and capital spending

Dividends (TTM): $997M
Diluted share count: +0.9%; year over year
Total shareholder yield: 2.9%; dividends 2.9% + buybacks 0.0% of market value
Dividend payout ratio: 238%; of net income paid out
Sales & admin spending: 19.2%; of revenue
Days sales outstanding: 72 days; receivables vs revenue

Dividends by fiscal year

US$ millions unless shown otherwise. Fiscal years, plus the last twelve months (LTM) when newer.

Iron Mountain: dividends by fiscal year, annual
Fiscal year	2016Dec 2016	2017Dec 2017	2018Dec 2018	2019Dec 2019	2020Dec 2020	2021Dec 2021	2022Dec 2022	2023Dec 2023	2024Dec 2024	2025Dec 2025	LTMJun 2026
Dividend per share	$2.04	$2.27	$2.38	$2.45	$2.47	$2.47	$2.47	$2.54	$2.73	$3.22	—
Dividend per share growth	—	+11.1%	+4.8%	+2.9%	+0.8%	0.0%	0.0%	+2.8%	+7.5%	+17.9%	—
Dividends paid	506	440	674	705	716	718	724	738	790	919	997
Dividends ÷ net income	482.6%	258.7%	190.3%	263.5%	209.0%	159.6%	130.1%	400.4%	438.2%	635.9%	238.1%

Dividend per share is the amount declared for the fiscal year as stated in the company's filings (including any special dividend), restated for stock splits and checked against the cash dividends paid. Dividends paid and buybacks are cash amounts; the last-twelve-months column can include an extra payment when a quarter-end date moves.

Compare with peers

Head to head: IRM vs LAMR IRM vs OUT EPR vs IRM

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Figures from Iron Mountain's SEC filings (10-K and 10-Q), retrieved October 20, 2026. How we read and check them: methodology and data sources. Not investment advice. Back to Iron Mountain.