Iron Mountain Incorporated (Delaware)Common Stock REIT (IRM)
Showing Closing Date Range from Oct 22, 2025 to Oct 22, 2026 compared to Oct 21, 2024 to Oct 21, 2025.
Compare Last 12 Months with Previous Period
Investor Relations:investors.ironmountain.com
Current Period Close
$110.66
Oct 22, 2025 - Oct 22, 2026
Previous Period Close
$104.41
Oct 21, 2024 - Oct 21, 2025
Net Comparison Delta
+$6.25 (+5.99%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(248 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 22, 2026 | $110.66 | Oct 16, 2025 | $105.79 | +4.60% |
| Oct 21, 2026 | $114.72 | Oct 15, 2025 | $105.76 | +8.47% |
| Oct 20, 2026 | $113.06 | Oct 14, 2025 | $103.36 | +9.38% |
| Oct 19, 2026 | $111.55 | Oct 13, 2025 | $102.17 | +9.18% |
| Oct 16, 2026 | $112.51 | Oct 10, 2025 | $101.84 | +10.48% |
| Oct 15, 2026 | $112.68 | Oct 09, 2025 | $104.95 | +7.37% |
| Oct 14, 2026 | $110.86 | Oct 08, 2025 | $105.39 | +5.19% |
| Oct 13, 2026 | $114.60 | Oct 07, 2025 | $105.89 | +8.23% |
| Oct 12, 2026 | $115.10 | Oct 06, 2025 | $106.37 | +8.21% |
| Oct 09, 2026 | $114.51 | Oct 03, 2025 | $104.80 | +9.27% |
| Oct 08, 2026 | $112.97 | Oct 02, 2025 | $103.30 | +9.36% |
| Oct 07, 2026 | $115.75 | Oct 01, 2025 | $102.26 | +13.19% |
| Oct 06, 2026 | $116.50 | Sep 30, 2025 | $101.94 | +14.28% |
| Oct 05, 2026 | $112.33 | Sep 29, 2025 | $100.35 | +11.94% |
| Oct 02, 2026 | $113.39 | Sep 26, 2025 | $100.93 | +12.35% |
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