Iron Mountain Incorporated (Delaware)Common Stock REIT (IRM)
Showing Closing Date Range from Mar, 15 to Sep, 11, 2026 compared to Sep, 15, 2025 to Mar, 14, 2026.
Compare Last 6 Months with Previous Period
Current Period Close
$115.18
Mar 15, 2026 - Sep 11, 2026
Previous Period Close
$106.84
Sep 15, 2025 - Mar 14, 2026
Net Comparison Delta
+$8.34 (+7.81%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(125 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Sep 11, 2026 | $115.18 | Mar 13, 2026 | $106.84 | +7.81% |
| Sep 10, 2026 | $112.90 | Mar 12, 2026 | $107.38 | +5.14% |
| Sep 09, 2026 | $115.22 | Mar 11, 2026 | $107.59 | +7.09% |
| Sep 08, 2026 | $116.08 | Mar 10, 2026 | $107.77 | +7.71% |
| Sep 04, 2026 | $116.86 | Mar 09, 2026 | $107.14 | +9.07% |
| Sep 03, 2026 | $114.98 | Mar 06, 2026 | $105.18 | +9.32% |
| Sep 02, 2026 | $111.84 | Mar 05, 2026 | $107.30 | +4.23% |
| Sep 01, 2026 | $114.22 | Mar 04, 2026 | $107.84 | +5.92% |
| Aug 31, 2026 | $115.35 | Mar 03, 2026 | $107.78 | +7.02% |
| Aug 28, 2026 | $117.40 | Mar 02, 2026 | $110.33 | +6.41% |
| Aug 27, 2026 | $122.69 | Feb 27, 2026 | $108.33 | +13.26% |
| Aug 26, 2026 | $121.43 | Feb 26, 2026 | $109.35 | +11.05% |
| Aug 25, 2026 | $120.90 | Feb 25, 2026 | $111.78 | +8.16% |
| Aug 24, 2026 | $121.19 | Feb 24, 2026 | $113.24 | +7.02% |
| Aug 21, 2026 | $122.02 | Feb 23, 2026 | $111.19 | +9.74% |
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