Iron Mountain (IRM)

NYSE Real Estate Other Specialized REITs S&P 500
$106.52
+1.02 (+0.97%)
Close of Nov 06, 2026 · end-of-day data
Dividend yield3.24%trailing 12 months
Annual dividend$3.46paid in the last year
Payout ratio226%of earnings
FrequencyQuarterly
Raised3 yrsin a row, within the ~10 years we track
5-year growth+5.4%per year

Dividends by year

YearTotal per sharePaymentsChange
2026 (to date)$2.593 —
2025$3.224 +17.9%
2024$2.734 +7.6%
2023$2.544 +2.5%
2022$2.484 +0.0%
2021$2.484 +0.0%
2020$2.484 +1.0%
2019$2.454 +3.2%
2018$2.384 +6.1%
2017$2.244 —
2016 (partial)$0.55001 —

Payment history

by ex-dividend date
Ex-dividend dateAmount
Sep 15, 2026$0.8640
Jun 15, 2026$0.8640
Mar 16, 2026$0.8640
Dec 15, 2025$0.8640
Sep 15, 2025$0.7850
Jun 16, 2025$0.7850
Mar 17, 2025$0.7850
Dec 16, 2024$0.7150
Sep 16, 2024$0.7150
Jun 17, 2024$0.6500
Mar 14, 2024$0.6500
Dec 14, 2023$0.6500
Sep 14, 2023$0.6500
Jun 14, 2023$0.6190
Mar 14, 2023$0.6190
Dec 14, 2022$0.6190
Sep 14, 2022$0.6190
Jun 14, 2022$0.6190
Mar 14, 2022$0.6190
Dec 14, 2021$0.6190
Sep 14, 2021$0.6190
Jun 14, 2021$0.6190
Mar 12, 2021$0.6190
Dec 14, 2020$0.6190
Sep 14, 2020$0.6190
Jun 12, 2020$0.6190
Mar 13, 2020$0.6190
Dec 13, 2019$0.6190
Sep 13, 2019$0.6110
Jun 14, 2019$0.6110
Mar 14, 2019$0.6110
Dec 14, 2018$0.6110
Sep 14, 2018$0.5880
Jun 14, 2018$0.5880
Mar 14, 2018$0.5880
Dec 14, 2017$0.5880
Sep 14, 2017$0.5500
Jun 13, 2017$0.5500
Mar 13, 2017$0.5500
Dec 13, 2016$0.5500

Payments are cash dividends per share by ex-dividend date, adjusted for stock splits, from daily price records; the upcoming dividend comes from the Nasdaq dividend calendar. Yield = dividends paid in the last 12 months divided by the latest close. Not investment advice.

Frequently asked questions

How much does Iron Mountain pay in dividends?

Iron Mountain paid $3.46 per share over the last 12 months, a yield of 3.24% at the latest close. It pays quarterly.

When is Iron Mountain's next ex-dividend date?

No upcoming ex-dividend date is on the calendar yet. The most recent one was September 15, 2026.

What is an ex-dividend date?

The first trading day on which a new buyer of the stock is not entitled to the upcoming dividend. To receive it you must own the shares at the close of the trading day before the ex-date.