Iron Mountain Incorporated (Delaware)Common Stock REIT (IRM)
Showing Closing Date Range from Apr 22 to Oct 19, 2026 compared to Oct 23, 2025 to Apr 21, 2026.
Compare Last 6 Months with Previous Period
Investor Relations:investors.ironmountain.com
Current Period Close
$111.55
Apr 22, 2026 - Oct 19, 2026
Previous Period Close
$117.83
Oct 23, 2025 - Apr 21, 2026
Net Comparison Delta
$-6.28 (-5.33%)
Relative performance vs prior benchmark
Historical Quotes & Breakdown(121 dates)
| Current Date | Current Close | Previous Date | Previous Close | Delta (%) |
|---|---|---|---|---|
| Oct 19, 2026 | $111.55 | Apr 17, 2026 | $118.07 | -5.52% |
| Oct 16, 2026 | $112.51 | Apr 16, 2026 | $117.73 | -4.43% |
| Oct 15, 2026 | $112.68 | Apr 15, 2026 | $113.55 | -0.77% |
| Oct 14, 2026 | $110.86 | Apr 14, 2026 | $114.03 | -2.78% |
| Oct 13, 2026 | $114.60 | Apr 13, 2026 | $111.88 | +2.43% |
| Oct 12, 2026 | $115.10 | Apr 10, 2026 | $109.37 | +5.24% |
| Oct 09, 2026 | $114.51 | Apr 09, 2026 | $108.69 | +5.35% |
| Oct 08, 2026 | $112.97 | Apr 08, 2026 | $106.97 | +5.61% |
| Oct 07, 2026 | $115.75 | Apr 07, 2026 | $104.73 | +10.52% |
| Oct 06, 2026 | $116.50 | Apr 06, 2026 | $104.36 | +11.63% |
| Oct 05, 2026 | $112.33 | Apr 02, 2026 | $103.30 | +8.74% |
| Oct 02, 2026 | $113.39 | Apr 01, 2026 | $100.95 | +12.32% |
| Sep 25, 2026 | $111.38 | Mar 31, 2026 | $102.14 | +9.05% |
| Sep 24, 2026 | $114.09 | Mar 30, 2026 | $97.60 | +16.90% |
| Sep 23, 2026 | $115.09 | Mar 27, 2026 | $98.30 | +17.08% |
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