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Data last updated: Jul 06, 2026
Snapshot (as of Jul 06, 2026): Iron Mountain Incorporated (IRM) pays a $3.38 annual dividend ($0.86 quarterly), yielding 2.88% at $117.16/share. Next ex-dividend date 2026-06-15. 12 consecutive years of dividend growth. Source: Yahoo Finance, aggregated by MerryDiv.
Dividend Yield: 2.88%
Annual Dividend: $3.38 per share
Payout Ratio: 356.8% (based on depressed trailing earnings — see safety analysis below)
Ex-Dividend Date: 2026-06-15
Dividend Frequency: quarterly
Sector: Real Estate
Years of Dividend History: 17
Iron Mountain Incorporated dividend investors are looking at a company that has spent over 70 years building the world's largest physical and digital records storage network, spanning 1,450 facilities across roughly 50 countries. The current yield sits at 2.88%, paid quarterly, with a trailing annual dividend rate of $3.3770 per share and the next ex-dividend date set for June 15, 2026. IRM's beta of 1.219 means the stock moves more than the broader market, so this is not a low-volatility income play. Dividend investors drawn to real assets and long-term storage contracts will find the yield meaningful, but the elevated payout ratio demands scrutiny.
Iron Mountain Incorporated pays out 356.8% of earnings as dividends, a payout ratio classified as high (above 75%). As a REIT, IRM is structured to distribute the majority of its income, and the company's business model, anchored in long-term contracts with more than 225,000 organizations storing critical records and digital assets, supports recurring revenue that standard earnings figures can understate. Iron Mountain Incorporated dividend safety is the central question for income investors, and the most significant pressure point is that a payout ratio this far above 100% leaves almost no buffer if revenue contracts or interest costs rise.
Iron Mountain Incorporated dividend history shows a CAGR of 15.4% per year from 2010 to 2025. Per-share payments grew from $0.3750 to $3.2190 over that window (2026 data is partial and excluded from the CAGR calculation, per Iron Mountain Incorporated dividend 2026 reporting norms for REITs). The largest single-year jump was 447.2% in 2012, though the data window also contains at least one year-over-year decline exceeding 5%, so the growth path has not been linear.
| Period | CAGR | From | To |
|---|---|---|---|
| 3-Year | +9.2% | $2.47 (2022) | $3.22 (2025) |
| 5-Year | +5.4% | $2.47 (2020) | $3.22 (2025) |
| 10-Year | +5.4% | $1.91 (2015) | $3.22 (2025) |
IRM fits dividend investors who want exposure to a large-scale, contract-driven storage and information management business and can accept a moderate (2-4%) yield rather than a high-yield payout. At 2.88%, the current yield sits above the 5-year average of 2.29%, which means today's entry point offers more income than the historical norm. The trade-off is a payout ratio of 356.8%, which is elevated even by REIT standards, and a beta above 1.2 that brings price swings most pure income investors prefer to avoid. What Iron Mountain Incorporated stock delivers is a 12-year streak of consecutive dividend increases backed by a genuinely differentiated global infrastructure business. What it asks investors to accept is a payout structure that depends heavily on the REIT's cash generation holding up.
| Payment Date | Amount per Share |
|---|---|
| 2026-06-15 | $0.8640 |
| 2026-03-16 | $0.8640 |
| 2025-12-15 | $0.8640 |
| 2025-09-15 | $0.7850 |
| 2025-06-16 | $0.7850 |
| 2025-03-17 | $0.7850 |
| 2024-12-16 | $0.7150 |
| 2024-09-16 | $0.7150 |
| 2024-06-17 | $0.6500 |
| 2024-03-14 | $0.6500 |
| Year | Total Dividends |
|---|---|
| 2026 | $1.7280 |
| 2025 | $3.2190 |
| 2024 | $2.7300 |
| 2023 | $2.5370 |
| 2022 | $2.4720 |
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