IRM monthly performance report
View IRM's monthly returns, drawdown, and seasonality trends — updated every month.
IRM monthly report
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Key takeaways
- Iron Mountain (IRM) closed November 2026 at $113.75, down 2.40% for the month and +24.49% over the trailing 12 months.
- Year-to-date, IRM is +37.13%, outperforming the S&P 500 which has returned +10.62% YTD.
- The stock is trading −1.96% versus its 200-day moving average ($116.03), a cautious technical signal.
- Over the past three years, IRM has outperformed the S&P 500 by +21.10%, with a relative strength index reading of 112.3.
- Win rate over the trailing 39 months stands at 51.3% — 20 positive months versus 19 negative months.
Iron Mountain ended November 2026 at $113.75, posting a monthly return of −2.40%. The S&P 500 returned −0.18% over the same window, leaving relative performance at −2.22%.
The current quarter stands at +2.52% (Q4 2026 (QTD)), while medium-term trend remains soft: price is −1.96% versus the 200-day moving average ($116.03).
Year-to-date, IRM is +37.13% against SPY +10.62%, a gap of +26.51%. The stock is currently −15.54% below its 52-week high, with maximum 3-year drawdown at −39.96%.
| Period | IRM | S&P 500 (SPY) | Excess return |
|---|---|---|---|
| 1 Day | −0.72% | −0.36% | −0.36% |
| 1 Week | +6.79% | +2.59% | +4.19% |
| 1 Month | −2.40% | −0.18% | −2.22% |
| 3 Months | −12.43% | −2.37% | −10.06% |
| 6 Months | −10.96% | +0.83% | −11.79% |
| YTD | +37.13% | +10.62% | +26.51% |
| 12 Months | +24.49% | +12.25% | +12.24% |
| 3 Years | +92.47% | +71.37% | +21.10% |
| Rank | Month | Return |
|---|---|---|
| #1 | Apr 2026 | +23.35% |
| #2 | Feb 2026 | +17.58% |
| #3 | Feb 2024 | +16.47% |
| #4 | Jul 2024 | +14.44% |
| #5 | Jun 2024 | +11.07% |
| Rank | Month | Return |
|---|---|---|
| #1 | Nov 2025 | −16.12% |
| #2 | Dec 2024 | −15.01% |
| #3 | Feb 2025 | −8.27% |
| #4 | Mar 2025 | −7.65% |
| #5 | Sep 2023 | −6.44% |
| Quarter | Return |
|---|---|
| Q3 2025 | −0.61% |
| Q4 2025 | −18.63% |
| Q1 2026 | +23.13% |
| Q2 2026 | +23.66% |
| Q3 2026 | −12.16% |
| Q4 2026 (QTD) | +2.52% |
| Year | Return |
|---|---|
| 2023 | +40.38% |
| 2024 | +50.20% |
| 2025 | −21.08% |
| 2026 | +37.13% |
| Metric | Value |
|---|---|
| 52-Week High | $134.68 (2026-06-24) |
| 52-Week Low | $77.77 (2025-12-18) |
| Current Price | $113.75 |
| 200-Day Moving Average | $116.03 |
| Price vs 200DMA | −1.96% |
| 3-Year Maximum Drawdown | −39.96% (2025-04-08) |
| Current Drawdown from 52W High | −15.54% |
| RS metric | Value |
|---|---|
| RS Index (3-year, rebased to 100) | 112.3 |
| 3-Year Excess Return vs S&P 500 | +21.10% |
| RS Peak | 164.3 (Oct 2024) |
| RS Trough | 86.8 (Dec 2025) |
| Status | Outperforming Benchmark |
Frequently asked questions
What was IRM's return for this report period?
IRM returned −2.40% in the latest monthly window ending 2026-11-13.
Has IRM outperformed SPY year to date?
YTD IRM: +37.13% vs SPY: +10.62%.
What is IRM's 12-month return?
+24.49% over the trailing 12 months.
Is IRM above or below its 200-day moving average?
Price is −1.96% versus 200DMA ($116.03).
What is the maximum drawdown in the 3-year window?
−39.96% on 2025-04-08.