Iron Mountain (IRM) dividend history and yield
Dividend summary
- Frequency
- Quarterly
- Trailing 12 months
- $3.46
- Forward yield
- 3.03%
- Payout ratio
- 147.1%
- Growth streak
- 3 years
Iron Mountain pays a quarterly dividend of $0.86 per share. Its most recent payment had an ex-date of September 15, 2026 and a pay date of October 2, 2026. Over the trailing twelve months, it paid $3.44 per share, a yield of about 3.0% at a share price of $113.39.
The rate held at $0.62 from late 2021 through mid-2023. Since then it has risen four times. It went to $0.65 in September 2023, up 4.8%, then to $0.72 in September 2024, up about 10.8%. The next raise, to $0.79 in March 2025, added 9.7%, and the move to $0.86 in December 2025 added about 8.9%. The last three raises were seven cents each. Since late 2021, the quarterly rate has grown about 38.7%. Payments by calendar year rose from $2.48 in 2022 to $3.23 in 2025. The source lists a growth streak of three years.
Ex-dates fall in mid-March, June, September and December, with payment in the first week of the following month. If the pattern holds, the next payment would go ex-dividend in mid-December 2026 and be paid in early January 2027. The most recent raise came with the December payment.
Dividend per share by year
Dividend history
| Declared | Ex-dividend date | Pay date | Amount |
|---|---|---|---|
| Aug 5, 2026 | Sep 15, 2026 | Oct 2, 2026 | $0.86 |
| Apr 30, 2026 | Jun 15, 2026 | Jul 6, 2026 | $0.86 |
| Feb 12, 2026 | Mar 16, 2026 | Apr 3, 2026 | $0.86 |
| Nov 5, 2025 | Dec 15, 2025 | Jan 6, 2026 | $0.86 |
| Aug 6, 2025 | Sep 15, 2025 | Oct 3, 2025 | $0.79 |
| May 1, 2025 | Jun 16, 2025 | Jul 3, 2025 | $0.79 |
| Feb 13, 2025 | Mar 17, 2025 | Apr 4, 2025 | $0.79 |
| Nov 6, 2024 | Dec 16, 2024 | Jan 7, 2025 | $0.72 |
| Aug 1, 2024 | Sep 16, 2024 | Oct 3, 2024 | $0.72 |
| May 2, 2024 | Jun 17, 2024 | Jul 5, 2024 | $0.65 |
| Feb 22, 2024 | Mar 14, 2024 | Apr 4, 2024 | $0.65 |
| Nov 2, 2023 | Dec 14, 2023 | Jan 4, 2024 | $0.65 |
| Aug 3, 2023 | Sep 14, 2023 | Oct 5, 2023 | $0.65 |
| May 4, 2023 | Jun 14, 2023 | Jul 6, 2023 | $0.62 |
| Feb 23, 2023 | Mar 14, 2023 | Apr 5, 2023 | $0.62 |
| Nov 3, 2022 | Dec 14, 2022 | Jan 5, 2023 | $0.62 |
| Aug 4, 2022 | Sep 14, 2022 | Oct 4, 2022 | $0.62 |
| Apr 28, 2022 | Jun 14, 2022 | Jul 6, 2022 | $0.62 |
| Feb 24, 2022 | Mar 14, 2022 | Apr 6, 2022 | $0.62 |
| Nov 4, 2021 | Dec 14, 2021 | Jan 6, 2022 | $0.62 |
Frequently asked questions
Does Iron Mountain (IRM) pay a dividend?
Yes. Iron Mountain pays a quarterly dividend; the most recent payment was $0.86 per share.
What is IRM's dividend yield?
Iron Mountain paid $3.46 per share over the trailing twelve months, a yield of 3.03% at the last price of $114.09. Click here to learn more
When is IRM's most recent ex-dividend date?
Iron Mountain's most recent ex-dividend date is Sep 15, 2026, payable on Oct 2, 2026.
What is the difference between ex and payment dates?
An ex-date is the cutoff day for ownership, the payment date is when the distribution actually happens. Click here to learn more
Has IRM been raising its dividend?
Yes — Iron Mountain has increased its dividend for 3 consecutive calendar years.
Dividend amounts and dates are supplied by third parties and may be revised. Declaring, raising, cutting or suspending a dividend is entirely at the issuer’s discretion, and scheduled dates are estimates until declared. A past record of payments does not mean future payments will be made. Nothing here suggests trading around a distribution.
This page is for informational purposes only. Nothing on it is a recommendation, solicitation or offer to buy or sell any security, nor investment, legal or tax advice. Light Horse Securities Inc does not verify third-party data and is not responsible for its accuracy, completeness or timeliness.