Iron Mountain (Delaware)Common Stock REIT Stock Price History
NYSE: IRMReal EstateReal Estate Investment TrustsUSD
114.51+1.54 (+1.36%)
At close: Oct 9, 4:00 PM ET · Delayed 15 min
IRM price history at a glance
The price history for Iron Mountain (Delaware)Common Stock REIT (IRM) on this page begins on January 29, 1996, when the stock closed at $2.97; it most recently closed at $114.51 on October 5, 2026. The highest price in this record is $134.68, reached on June 22, 2026; the latest close is 15.0% below that peak. Across the 29 complete calendar years in the table, IRM finished higher in 18 and lower in 11. Its best year was 2021 (+77.5%) and its worst was 2015 (-30.7%).
Over roughly 31 years the share price changed +3760.0%, a 12.6% compound annual price return (excluding dividends). In the last 12 months alone, IRM has gained 9.1%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.
Summary generated from market data by MetaCap's automated system. Methodology
Key price levels
- High since 1996
- $134.68
- Date of high
- Jun 22, 2026
- Low since 1996
- $2.51
- Date of low
- Mar 25, 1996
- 52-week high
- $134.68
- 52-week low
- $77.77
- Last close
- $114.51
IRM returns
1 week
+0.99%
1 month
-0.62%
3 months
-5.76%
6 months
+4.70%
Year to date
+38.05%
1 year
+9.11%
3 years
+89.90%
5 years
+155.15%
IRM price return, excluding dividends.
IRM annual returns
| Year | Year-end close | Return |
|---|---|---|
| 2026 | 114.51 | +37.57% |
| 2025 | 83.24 | -21.25% |
| 2024 | 105.70 | +51.04% |
| 2023 | 69.98 | +40.38% |
| 2022 | 49.85 | -4.74% |
| 2021 | 52.33 | +77.51% |
| 2020 | 29.48 | -3.79% |
| 2019 | 30.64 | -7.66% |
| 2018 | 33.18 | -12.06% |
| 2017 | 37.73 | +16.16% |
| 2016 | 32.48 | +20.25% |
| 2015 | 27.01 | -30.67% |
| 2014 | 38.96 | +43.24% |
| 2013 | 27.20 | -11.36% |
| 2012 | 30.68 | +7.79% |
| 2011 | 28.47 | +23.15% |
| 2010 | 23.11 | +9.89% |
| 2009 | 21.04 | -8.19% |
| 2008 | 22.91 | -29.25% |
| 2007 | 32.38 | +27.14% |
| 2006 | 25.47 | -2.08% |
| 2005 | 26.01 | +38.47% |
| 2004 | 18.79 | +16.64% |
| 2003 | 16.11 | +17.82% |
| 2002 | 13.67 | +10.45% |
| 2001 | 12.38 | +21.74% |
| 2000 | 10.17 | -5.56% |
| 1999 | 10.77 | +9.01% |
| 1998 | 9.88 | +50.26% |
| 1997 | 6.57 | +16.13% |
| 1996* | 5.66 | +90.77% |
* Partial year: the record begins after the start of 1996; return measured from the first available close.
2026 return is year to date.
IRM daily prices (past year)
| Date | Open | High | Low | Close | Change |
|---|---|---|---|---|---|
| 113.70 | 115.03 | 113.03 | 114.51 | +1.36% | |
| 115.34 | 115.63 | 110.61 | 112.97 | -2.40% | |
| 115.34 | 116.58 | 114.79 | 115.75 | -0.64% | |
| 113.96 | 117.41 | 113.96 | 116.50 | +3.71% | |
| 113.32 | 114.13 | 112.05 | 112.33 | -0.93% | |
| 112.77 | 114.74 | 112.15 | 113.39 | +2.03% | |
| 110.72 | 111.58 | 108.96 | 111.13 | +0.16% | |
| 112.00 | 112.46 | 109.31 | 110.95 | -0.49% | |
| 110.58 | 112.34 | 110.57 | 111.50 | +0.41% | |
| 110.90 | 112.27 | 109.65 | 111.05 | -0.30% | |
| 113.82 | 114.50 | 110.72 | 111.38 | -2.38% | |
| 114.56 | 115.06 | 113.18 | 114.09 | -0.87% | |
| 115.75 | 117.32 | 114.79 | 115.09 | -2.57% | |
| 116.45 | 118.47 | 116.45 | 118.13 | +1.06% | |
| 115.48 | 117.14 | 114.39 | 116.89 | +2.23% | |
| 114.40 | 114.73 | 112.61 | 114.34 | +0.30% | |
| 113.79 | 114.87 | 113.45 | 114.00 | +1.65% | |
| 112.85 | 115.30 | 111.99 | 112.15 | +0.10% | |
| 111.11 | 113.23 | 109.13 | 112.04 | -0.02% | |
| 113.26 | 114.20 | 110.50 | 112.06 | -2.71% | |
| 114.26 | 115.98 | 113.54 | 115.18 | +2.02% | |
| 114.78 | 115.44 | 112.54 | 112.90 | -2.01% | |
| 115.79 | 116.92 | 114.80 | 115.22 | -0.74% | |
| 117.05 | 119.42 | 116.05 | 116.08 | -0.67% | |
| 114.57 | 117.13 | 114.57 | 116.86 | +1.64% | |
| 113.27 | 115.37 | 111.85 | 114.98 | +2.81% | |
| 114.02 | 115.76 | 110.77 | 111.84 | -2.08% | |
| 115.60 | 116.43 | 112.70 | 114.22 | -0.98% | |
| 116.35 | 116.83 | 113.36 | 115.35 | -1.75% | |
| 122.89 | 123.03 | 116.19 | 117.40 | -4.31% | |
| 122.64 | 125.40 | 122.06 | 122.69 | +1.04% | |
| 120.77 | 122.68 | 120.66 | 121.43 | +0.44% | |
| 122.62 | 123.86 | 120.60 | 120.90 | -0.24% | |
| 121.69 | 121.69 | 117.85 | 121.19 | -0.68% | |
| 123.28 | 125.01 | 121.58 | 122.02 | -0.75% | |
| 122.08 | 123.93 | 121.30 | 122.94 | +0.70% | |
| 127.56 | 129.07 | 120.20 | 122.08 | -3.62% | |
| 129.45 | 130.00 | 126.63 | 126.67 | -2.49% | |
| 129.20 | 130.05 | 126.13 | 129.90 | +0.36% | |
| 126.38 | 129.85 | 124.77 | 129.43 | +2.22% | |
| 124.67 | 126.92 | 124.01 | 126.62 | +1.82% | |
| 122.39 | 125.03 | 122.39 | 124.36 | +1.61% | |
| 121.92 | 123.25 | 121.84 | 122.39 | +0.68% | |
| 120.48 | 122.82 | 120.30 | 121.56 | +0.34% | |
| 122.70 | 123.26 | 120.53 | 121.15 | -0.66% | |
| 127.26 | 127.59 | 121.40 | 121.96 | -4.07% | |
| 128.90 | 129.40 | 120.42 | 127.13 | +1.29% | |
| 123.05 | 126.37 | 121.89 | 125.51 | +1.15% | |
| 122.17 | 125.59 | 119.82 | 124.08 | +1.44% | |
| 126.27 | 126.27 | 122.13 | 122.32 | -1.86% | |
| 123.04 | 126.68 | 122.50 | 124.64 | +3.22% | |
| 124.61 | 125.12 | 120.51 | 120.75 | -3.94% | |
| 126.35 | 126.53 | 122.82 | 125.70 | -1.02% | |
| 129.64 | 132.53 | 124.71 | 126.99 | -1.03% | |
| 127.02 | 132.87 | 125.33 | 128.31 | +3.02% | |
| 122.81 | 126.18 | 122.14 | 124.55 | +0.03% | |
| 125.52 | 126.24 | 123.98 | 124.51 | -0.84% | |
| 125.23 | 128.26 | 124.97 | 125.56 | +1.07% | |
| 123.66 | 125.91 | 122.74 | 124.23 | +0.33% | |
| 120.74 | 125.11 | 119.12 | 123.82 | +1.78% | |
| 123.08 | 124.47 | 121.30 | 121.66 | -1.51% | |
| 122.98 | 123.69 | 118.66 | 123.52 | +0.70% | |
| 122.78 | 123.70 | 120.82 | 122.66 | +0.24% | |
| 120.78 | 123.96 | 120.72 | 122.37 | +0.71% | |
| 119.67 | 121.95 | 118.08 | 121.51 | +1.70% | |
| 116.00 | 119.53 | 115.28 | 119.48 | +3.48% | |
| 115.18 | 117.47 | 114.33 | 115.46 | -0.25% | |
| 116.67 | 117.30 | 114.65 | 115.75 | -0.54% | |
| 117.90 | 118.83 | 114.72 | 116.38 | -0.67% | |
| 121.81 | 122.81 | 115.68 | 117.16 | -3.89% | |
| 125.62 | 126.53 | 121.25 | 121.90 | -3.49% | |
| 128.45 | 129.19 | 124.52 | 126.31 | -2.82% | |
| 131.72 | 133.71 | 128.32 | 129.97 | -1.86% | |
| 130.47 | 132.62 | 129.49 | 132.44 | +1.05% | |
| 132.28 | 132.99 | 128.75 | 131.06 | +0.36% | |
| 134.10 | 134.68 | 129.66 | 130.59 | -1.86% | |
| 129.75 | 133.57 | 129.40 | 133.06 | +0.91% | |
| 128.90 | 132.99 | 127.95 | 131.86 | +3.15% | |
| 128.83 | 129.21 | 126.76 | 127.83 | +1.91% | |
| 128.27 | 129.50 | 125.42 | 125.44 | -2.16% | |
| 128.66 | 130.70 | 127.43 | 128.21 | +1.53% | |
| 128.79 | 128.82 | 125.69 | 126.28 | -0.75% | |
| 125.74 | 127.95 | 125.53 | 127.24 | +1.65% | |
| 124.16 | 125.79 | 122.72 | 125.17 | +1.47% | |
| 125.29 | 126.46 | 123.27 | 123.36 | -2.20% | |
| 125.27 | 126.17 | 122.39 | 126.14 | +2.14% | |
| 126.55 | 127.04 | 123.34 | 123.50 | -0.93% | |
| 129.04 | 129.32 | 124.18 | 124.66 | -4.29% | |
| 129.25 | 130.28 | 125.60 | 130.25 | +1.80% | |
| 128.01 | 130.74 | 127.72 | 127.95 | -0.40% | |
| 126.62 | 129.48 | 126.53 | 128.46 | +1.65% | |
| 126.70 | 129.87 | 125.43 | 126.38 | -1.46% | |
| 126.75 | 128.45 | 125.00 | 128.25 | +1.12% | |
| 127.00 | 128.57 | 125.71 | 126.83 | -0.14% | |
| 127.90 | 128.67 | 126.84 | 127.01 | -1.08% | |
| 127.88 | 129.47 | 126.96 | 128.40 | +1.53% | |
| 128.00 | 128.27 | 126.18 | 126.46 | -0.68% | |
| 125.50 | 127.46 | 124.81 | 127.33 | +1.21% | |
| 124.45 | 126.08 | 124.23 | 125.81 | +1.85% | |
| 123.12 | 124.76 | 122.05 | 123.52 | -0.35% | |
| 125.87 | 126.34 | 122.86 | 123.96 | -0.89% | |
| 126.88 | 126.88 | 123.50 | 125.07 | -2.10% | |
| 126.42 | 128.14 | 125.22 | 127.75 | +1.29% | |
| 126.10 | 127.17 | 123.29 | 126.12 | -0.07% | |
| 128.97 | 129.21 | 125.00 | 126.21 | -2.89% | |
| 129.98 | 131.55 | 129.11 | 129.96 | +0.87% | |
| 127.91 | 129.76 | 127.20 | 128.84 | +1.60% | |
| 132.00 | 132.69 | 125.30 | 126.81 | -3.98% | |
| 132.32 | 134.09 | 131.23 | 132.06 | +0.27% | |
| 129.80 | 131.83 | 128.40 | 131.70 | +2.71% | |
| 126.82 | 128.25 | 126.45 | 128.22 | +0.81% | |
| 126.85 | 127.94 | 124.64 | 127.19 | +0.95% | |
| 116.87 | 126.43 | 116.45 | 125.99 | +10.02% | |
| 112.01 | 114.90 | 111.20 | 114.52 | +1.69% | |
| 112.62 | 113.32 | 110.00 | 112.62 | -0.12% | |
| 116.07 | 116.99 | 112.55 | 112.75 | -2.83% | |
| 116.38 | 117.89 | 115.83 | 116.03 | -0.08% | |
| 117.71 | 118.03 | 115.89 | 116.12 | -0.95% | |
| 119.39 | 119.94 | 117.21 | 117.23 | -0.51% | |
| 120.71 | 121.00 | 117.74 | 117.83 | -2.24% | |
| 118.00 | 120.74 | 117.51 | 120.53 | +2.08% | |
| 118.55 | 119.15 | 116.96 | 118.07 | +0.29% | |
| 114.40 | 118.02 | 113.85 | 117.73 | +3.68% | |
| 113.91 | 114.14 | 112.79 | 113.55 | -0.42% | |
| 112.88 | 114.30 | 112.15 | 114.03 | +1.92% | |
| 109.30 | 111.92 | 108.31 | 111.88 | +2.29% | |
| 108.99 | 109.49 | 108.41 | 109.37 | +0.63% | |
| 107.00 | 109.64 | 106.83 | 108.69 | +1.61% | |
| 108.21 | 108.39 | 106.25 | 106.97 | +2.14% | |
| 103.64 | 105.10 | 102.47 | 104.73 | +0.35% | |
| 103.00 | 104.77 | 102.61 | 104.36 | +1.03% | |
| 99.90 | 103.53 | 99.17 | 103.30 | +2.33% | |
| 103.06 | 104.08 | 100.90 | 100.95 | -1.17% | |
| 99.05 | 103.24 | 98.50 | 102.14 | +4.65% | |
| 100.03 | 100.03 | 96.91 | 97.60 | -0.71% | |
| 99.24 | 100.27 | 97.83 | 98.30 | -1.91% | |
| 99.81 | 101.04 | 99.03 | 100.21 | -0.32% | |
| 102.08 | 102.23 | 100.03 | 100.53 | -0.18% | |
| 101.80 | 102.87 | 100.36 | 100.71 | -1.21% | |
| 102.52 | 103.78 | 101.03 | 101.94 | +2.34% | |
| 104.74 | 105.58 | 99.51 | 99.61 | -5.08% | |
| 104.43 | 105.70 | 103.57 | 104.94 | -0.76% | |
| 107.62 | 108.22 | 105.70 | 105.74 | -2.06% | |
| 108.25 | 109.19 | 107.15 | 107.96 | +0.41% | |
| 107.74 | 108.55 | 106.82 | 107.52 | +0.64% | |
| 108.94 | 109.61 | 106.61 | 106.84 | -0.50% | |
| 106.87 | 108.77 | 105.87 | 107.38 | -0.20% | |
| 107.29 | 108.75 | 106.35 | 107.59 | -0.17% | |
| 106.77 | 108.79 | 106.23 | 107.77 | +0.59% | |
| 104.22 | 107.66 | 102.52 | 107.14 | +1.86% | |
| 106.07 | 106.61 | 104.89 | 105.18 | -1.98% | |
| 105.61 | 107.56 | 104.62 | 107.30 | -0.50% | |
| 107.74 | 108.13 | 106.34 | 107.84 | +0.06% | |
| 107.60 | 108.25 | 104.68 | 107.78 | -2.31% | |
| 107.27 | 110.84 | 106.59 | 110.33 | +1.85% | |
| 108.26 | 110.73 | 107.72 | 108.33 | -0.93% | |
| 112.24 | 112.70 | 107.79 | 109.35 | -2.17% | |
| 113.63 | 115.24 | 111.04 | 111.78 | -1.29% | |
| 111.25 | 113.34 | 110.58 | 113.24 | +1.84% | |
| 109.84 | 111.46 | 109.37 | 111.19 | +0.82% | |
| 108.17 | 110.37 | 107.37 | 110.29 | +1.98% | |
| 106.20 | 108.45 | 105.25 | 108.15 | +2.19% | |
| 108.59 | 109.13 | 105.14 | 105.83 | -2.72% | |
| 110.98 | 111.63 | 108.02 | 108.79 | -0.95% | |
| 107.00 | 110.89 | 106.09 | 109.83 | +3.61% | |
| 103.61 | 110.91 | 103.39 | 106.00 | +5.77% | |
| 99.72 | 100.61 | 98.71 | 100.22 | +0.92% | |
| 97.30 | 100.23 | 96.41 | 99.31 | +2.30% | |
| 95.67 | 97.67 | 95.02 | 97.08 | +1.36% | |
| 90.83 | 96.44 | 89.58 | 95.78 | +7.68% | |
| 89.88 | 90.03 | 88.61 | 88.95 | -1.24% | |
| 88.77 | 91.64 | 87.90 | 90.07 | +1.65% | |
| 89.20 | 89.90 | 87.10 | 88.61 | -0.91% | |
| 91.54 | 92.45 | 89.18 | 89.42 | -2.94% | |
| 92.73 | 92.73 | 90.13 | 92.13 | -0.97% | |
| 93.00 | 93.64 | 91.54 | 93.03 | +0.86% | |
| 91.92 | 93.05 | 91.57 | 92.24 | +0.57% | |
| 93.80 | 93.80 | 90.74 | 91.72 | -2.26% | |
| 93.77 | 94.62 | 93.35 | 93.84 | +0.27% | |
| 93.90 | 94.23 | 92.66 | 93.59 | -0.28% | |
| 94.25 | 95.12 | 93.17 | 93.85 | +0.04% | |
| 93.01 | 93.89 | 91.62 | 93.81 | +1.58% | |
| 94.72 | 94.90 | 91.99 | 92.35 | -3.73% | |
| 92.55 | 96.50 | 92.30 | 95.93 | +3.52% | |
| 92.41 | 93.63 | 91.58 | 92.67 | +1.23% | |
| 91.90 | 92.25 | 89.68 | 91.54 | -0.64% | |
| 90.00 | 92.72 | 89.02 | 92.13 | +2.94% | |
| 88.84 | 89.63 | 88.25 | 89.50 | +0.35% | |
| 87.72 | 89.91 | 87.62 | 89.19 | +2.14% | |
| 86.67 | 88.02 | 86.00 | 87.32 | +0.31% | |
| 85.34 | 88.89 | 84.80 | 87.05 | +2.56% | |
| 83.70 | 86.72 | 83.44 | 84.88 | +1.45% | |
| 83.15 | 84.20 | 81.74 | 83.67 | +0.52% | |
| 83.00 | 83.77 | 82.34 | 83.24 | +0.35% | |
| 83.20 | 83.51 | 82.49 | 82.95 | -0.49% | |
| 82.63 | 83.50 | 82.29 | 83.36 | +0.88% | |
| 81.90 | 82.89 | 81.90 | 82.63 | +0.78% | |
| 81.38 | 82.14 | 80.72 | 81.99 | +0.65% | |
| 80.69 | 81.90 | 80.63 | 81.46 | +0.82% | |
| 80.96 | 81.05 | 79.50 | 80.80 | -0.27% | |
| 80.00 | 81.19 | 79.21 | 81.02 | +1.16% | |
| 78.89 | 80.37 | 78.23 | 80.09 | +1.56% | |
| 81.05 | 81.28 | 77.77 | 78.86 | -0.67% | |
| 81.05 | 82.49 | 79.05 | 79.39 | -1.99% | |
| 82.66 | 82.94 | 80.29 | 81.00 | -1.75% | |
| 83.11 | 83.83 | 82.00 | 82.44 | -1.09% | |
| 88.50 | 88.83 | 81.65 | 83.35 | -5.32% | |
| 85.73 | 88.50 | 83.90 | 88.03 | +2.96% | |
| 85.15 | 86.64 | 83.78 | 85.50 | +0.47% | |
| 84.46 | 85.64 | 84.46 | 85.10 | +0.79% | |
| 84.25 | 84.79 | 83.16 | 84.43 | +0.14% | |
| 84.76 | 85.44 | 83.92 | 84.31 | -0.85% | |
| 83.51 | 85.28 | 83.42 | 85.03 | +0.89% | |
| 82.94 | 84.36 | 82.00 | 84.28 | +1.82% | |
| 82.99 | 83.20 | 82.15 | 82.77 | -0.07% | |
| 84.50 | 85.00 | 82.72 | 82.83 | -4.08% | |
| 85.93 | 86.42 | 85.38 | 86.35 | +0.15% | |
| 85.53 | 86.93 | 85.25 | 86.22 | +0.65% | |
| 85.06 | 86.40 | 83.44 | 85.66 | +1.10% | |
| 85.35 | 85.66 | 82.38 | 84.73 | -0.34% | |
| 83.03 | 86.27 | 82.16 | 85.02 | +2.43% | |
| 88.00 | 89.48 | 82.89 | 83.00 | -4.27% | |
| 89.52 | 90.01 | 82.29 | 86.70 | -2.89% | |
| 88.66 | 90.18 | 86.97 | 89.28 | +0.68% | |
| 91.62 | 91.81 | 88.64 | 88.68 | -2.94% | |
| 90.44 | 93.03 | 89.00 | 91.37 | 0.00% | |
| 97.34 | 97.61 | 91.02 | 91.37 | -6.85% | |
| 101.34 | 101.64 | 98.08 | 98.09 | -3.03% | |
| 103.08 | 103.65 | 100.33 | 101.15 | -1.15% | |
| 104.12 | 104.67 | 102.19 | 102.33 | -1.72% | |
| 100.93 | 104.19 | 99.66 | 104.12 | +3.23% | |
| 100.04 | 101.86 | 99.21 | 100.86 | +0.39% | |
| 103.63 | 106.85 | 96.91 | 100.47 | -2.76% | |
| 102.68 | 103.86 | 102.00 | 103.32 | -0.34% | |
| 102.51 | 103.82 | 101.43 | 103.67 | +0.70% | |
| 100.82 | 103.94 | 100.35 | 102.95 | +1.63% | |
| 100.98 | 103.59 | 100.98 | 101.30 | -0.04% | |
| 103.84 | 103.87 | 101.09 | 101.34 | -2.60% | |
| 105.61 | 105.65 | 103.72 | 104.05 | -2.26% | |
| 105.84 | 106.67 | 104.65 | 106.46 | +1.17% | |
| 105.18 | 106.83 | 104.52 | 105.23 | +1.25% | |
| 103.96 | 104.33 | 102.54 | 103.93 | -0.02% | |
| 104.16 | 105.00 | 102.03 | 103.95 | -0.44% | |
| 105.44 | 106.06 | 102.79 | 104.41 | -1.34% | |
| 105.38 | 106.00 | 104.81 | 105.83 | +1.20% | |
| 105.11 | 105.90 | 103.32 | 104.58 | -1.14% | |
| 105.60 | 107.37 | 104.97 | 105.79 | +0.03% | |
| 104.30 | 108.15 | 103.82 | 105.76 | +2.32% | |
| 101.39 | 103.38 | 100.88 | 103.36 | +1.16% | |
| 103.14 | 103.75 | 102.17 | 102.17 | +0.32% | |
| 105.49 | 105.49 | 101.84 | 101.84 | -2.96% | |
| 105.64 | 106.12 | 104.51 | 104.95 | — |
Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the IRM chart for longer ranges.