Iron Mountain Inc (IRM) stock
IRMNYSEReal Estate Investment TrustsFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 5, 2026Score 5/3075% above fair value
$116.55−1.83 (-1.55%)
Close on Oct 30, 2026Market cap $34.70BP/E 83.3Yield 2.76%
Price history
Iron Mountain share prices for every month, newest first. Adjusted for stock splits, not for dividends.
Close, Oct 30, 2026
$116.55
-1.55% on the day
52-week range
$77.77 – $134.68
-13.5% from the high
Change over 52 weeks
+15.1%
From $101.30 on Oct 30, 2025
Average volume
1.68M
Shares a day, last 90 sessions
| Month | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| Oct 2026 | $110.72 | $119.64 | $107.20 | $116.55 | +5.05% | 29,241,811 |
| Sep 2026 | $115.60 | $119.42 | $109.13 | $110.95 | -3.81% | 35,068,862 |
| Aug 2026 | $122.17 | $130.05 | $113.36 | $115.35 | -5.70% | 33,165,556 |
| Jul 2026 | $125.62 | $132.87 | $114.33 | $122.32 | -3.16% | 46,658,729 |
| Jun 2026 | $126.70 | $134.68 | $122.39 | $126.31 | -1.51% | 32,786,483 |
| May 2026 | $126.85 | $134.09 | $122.05 | $128.25 | +1.79% | 29,554,502 |
| Apr 2026 | $103.06 | $126.43 | $99.17 | $125.99 | +23.35% | 33,177,892 |
| Mar 2026 | $107.27 | $110.84 | $96.91 | $102.14 | -5.71% | 32,235,645 |
| Feb 2026 | $91.54 | $115.24 | $87.10 | $108.33 | +17.58% | 44,364,277 |
| Jan 2026 | $83.00 | $96.50 | $81.74 | $92.13 | +11.07% | 39,367,866 |
| Dec 2025 | $84.50 | $88.83 | $77.77 | $82.95 | -3.94% | 44,591,546 |
| Nov 2025 | $102.51 | $106.85 | $82.16 | $86.35 | -16.12% | 50,732,122 |
| Oct 2025 | $101.76 | $108.15 | $100.35 | $102.95 | +0.99% | 27,325,929 |
| Sep 2025 | $91.05 | $104.74 | $87.80 | $101.94 | +10.41% | 34,860,654 |
| Aug 2025 | $97.20 | $98.15 | $89.05 | $92.33 | -5.17% | 31,744,231 |
| Jul 2025 | $102.02 | $103.00 | $96.33 | $97.36 | -5.08% | 24,528,898 |
| Jun 2025 | $98.19 | $105.57 | $96.57 | $102.57 | +3.91% | 35,478,048 |
| May 2025 | $89.99 | $101.39 | $88.87 | $98.71 | +10.08% | 35,173,010 |
| Apr 2025 | $88.30 | $90.15 | $72.33 | $89.67 | +4.22% | 40,498,479 |
| Mar 2025 | $92.84 | $93.16 | $81.50 | $86.04 | -7.65% | 46,622,943 |
| Feb 2025 | $99.57 | $107.01 | $89.31 | $93.17 | -8.27% | 44,154,820 |
| Jan 2025 | $105.27 | $112.18 | $97.19 | $101.57 | -3.37% | 39,278,556 |
| Dec 2024 | $123.00 | $123.04 | $101.34 | $105.11 | -15.01% | 39,142,699 |
| Nov 2024 | $124.88 | $125.88 | $112.11 | $123.67 | -0.05% | 30,471,863 |
| Oct 2024 | $119.00 | $130.24 | $116.16 | $123.73 | +4.12% | 27,819,782 |
| Sep 2024 | $112.86 | $120.54 | $107.59 | $118.83 | +4.92% | 31,727,483 |
| Aug 2024 | $105.00 | $114.93 | $101.19 | $113.26 | +10.43% | 39,890,698 |
| Jul 2024 | $89.30 | $103.41 | $88.57 | $102.56 | +14.44% | 39,282,725 |
| Jun 2024 | $81.03 | $90.40 | $79.15 | $89.62 | +11.07% | 51,438,285 |
| May 2024 | $77.66 | $83.00 | $74.80 | $80.69 | +4.09% | 29,955,643 |
| Apr 2024 | $80.21 | $80.38 | $73.53 | $77.52 | -3.35% | 23,481,522 |
| Mar 2024 | $78.16 | $82.19 | $77.07 | $80.21 | +2.00% | 31,254,687 |
| Feb 2024 | $67.43 | $79.70 | $66.20 | $78.64 | +16.47% | 32,136,897 |
| Jan 2024 | $69.90 | $70.06 | $64.68 | $67.52 | -3.52% | 29,238,952 |
| Dec 2023 | $64.02 | $70.66 | $63.65 | $69.98 | +9.09% | 26,944,386 |
| Nov 2023 | $59.17 | $64.25 | $57.36 | $64.15 | +8.60% | 33,689,675 |
| Oct 2023 | $59.30 | $62.33 | $56.51 | $59.07 | -0.64% | 34,496,929 |
| Sep 2023 | $63.77 | $64.48 | $58.94 | $59.45 | -6.44% | 32,789,908 |
| Aug 2023 | $61.17 | $63.74 | $58.03 | $63.54 | +3.49% | 27,509,885 |
| Jul 2023 | $56.46 | $62.88 | $56.28 | $61.40 | +8.06% | 29,915,078 |
| Jun 2023 | $53.48 | $57.53 | $52.84 | $56.82 | +6.36% | 29,086,168 |
| May 2023 | $55.12 | $56.53 | $52.82 | $53.42 | -3.29% | 31,047,012 |
| Apr 2023 | $52.76 | $55.53 | $51.09 | $55.24 | +4.40% | 23,943,496 |
| Mar 2023 | $52.43 | $55.23 | $48.94 | $52.91 | +0.30% | 31,153,207 |
| Feb 2023 | $54.25 | $57.21 | $50.13 | $52.75 | -3.35% | 29,020,234 |
| Jan 2023 | $50.27 | $55.13 | $48.92 | $54.58 | +9.49% | 33,185,672 |
| Dec 2022 | $54.97 | $56.62 | $48.99 | $49.85 | -8.25% | 26,871,211 |
| Nov 2022 | $50.51 | $54.62 | $46.61 | $54.33 | +8.51% | 28,261,489 |
| Oct 2022 | $44.70 | $50.51 | $43.89 | $50.07 | +13.87% | 27,850,346 |
| Sep 2022 | $52.15 | $56.67 | $43.33 | $43.97 | -16.42% | 46,391,085 |
| Aug 2022 | $48.18 | $55.60 | $47.80 | $52.61 | +8.50% | 32,290,094 |
| Jul 2022 | $48.67 | $49.81 | $44.53 | $48.49 | -0.41% | 38,276,924 |
| Jun 2022 | $53.98 | $54.56 | $45.85 | $48.69 | -9.67% | 31,184,737 |
| May 2022 | $53.63 | $54.97 | $48.38 | $53.90 | +0.32% | 40,450,855 |
| Apr 2022 | $55.58 | $58.61 | $53.59 | $53.73 | -3.03% | 28,066,060 |
| Mar 2022 | $49.53 | $56.51 | $47.23 | $55.41 | +12.67% | 48,800,648 |
| Feb 2022 | $46.00 | $49.78 | $41.67 | $49.18 | +7.10% | 37,662,466 |
| Jan 2022 | $52.47 | $52.50 | $42.05 | $45.92 | -12.25% | 62,934,282 |
| Dec 2021 | $45.96 | $53.14 | $45.10 | $52.33 | +15.16% | 41,975,437 |
| Nov 2021 | $45.68 | $49.40 | $44.74 | $45.44 | -0.44% | 35,863,231 |
| Oct 2021 | $43.65 | $46.74 | $42.20 | $45.64 | +5.04% | 27,631,150 |
| Sep 2021 | $47.76 | $49.58 | $43.42 | $43.45 | -9.01% | 33,599,571 |
| Aug 2021 | $44.09 | $47.82 | $42.40 | $47.75 | +9.12% | 27,879,889 |
| Jul 2021 | $42.50 | $45.05 | $41.98 | $43.76 | +3.40% | 36,226,895 |
| Jun 2021 | $43.74 | $47.34 | $42.20 | $42.32 | -2.80% | 51,619,540 |
| May 2021 | $40.16 | $43.87 | $38.57 | $43.54 | +8.52% | 52,194,085 |
| Apr 2021 | $37.22 | $40.92 | $36.58 | $40.12 | +8.40% | 40,900,542 |
| Mar 2021 | $35.20 | $37.48 | $34.19 | $37.01 | +6.38% | 56,012,715 |
| Feb 2021 | $33.85 | $36.09 | $31.21 | $34.79 | +3.33% | 58,681,073 |
| Jan 2021 | $30.00 | $41.32 | $27.72 | $33.67 | +14.21% | 106,101,861 |
| Dec 2020 | $27.57 | $30.62 | $26.95 | $29.48 | +7.20% | 70,710,154 |
| Nov 2020 | $26.30 | $28.95 | $24.85 | $27.50 | +5.53% | 85,181,945 |
| Oct 2020 | $26.84 | $28.69 | $25.76 | $26.06 | -2.72% | 46,252,855 |
| Sep 2020 | $30.03 | $30.79 | $25.97 | $26.79 | -10.97% | 56,787,729 |
| Aug 2020 | $28.05 | $30.63 | $27.84 | $30.09 | +6.74% | 50,226,958 |
| Jul 2020 | $26.28 | $28.44 | $25.58 | $28.19 | +8.01% | 54,641,587 |
| Jun 2020 | $25.77 | $30.68 | $24.37 | $26.10 | +1.32% | 103,798,366 |
| May 2020 | $23.67 | $26.00 | $21.54 | $25.76 | +6.53% | 66,000,554 |
| Apr 2020 | $22.97 | $28.41 | $21.00 | $24.18 | +1.60% | 68,798,890 |
| Mar 2020 | $30.63 | $32.76 | $21.02 | $23.80 | -21.74% | 103,946,875 |
| Feb 2020 | $31.69 | $34.49 | $29.08 | $30.41 | -3.80% | 61,609,022 |
| Jan 2020 | $31.90 | $32.11 | $30.20 | $31.61 | -0.82% | 62,228,903 |
| Dec 2019 | $32.10 | $33.23 | $31.25 | $31.87 | -0.78% | 46,933,810 |
| Nov 2019 | $32.80 | $34.38 | $31.70 | $32.12 | -2.07% | 46,068,080 |
| Oct 2019 | $32.23 | $34.44 | $31.63 | $32.80 | +1.27% | 45,820,452 |
| Sep 2019 | $31.79 | $34.33 | $31.06 | $32.39 | +1.70% | 55,157,652 |
| Aug 2019 | $30.09 | $32.25 | $29.97 | $31.85 | +8.30% | 48,826,762 |
| Jul 2019 | $31.59 | $32.08 | $29.28 | $29.41 | -6.04% | 64,637,411 |
| Jun 2019 | $30.75 | $32.98 | $30.08 | $31.30 | +2.12% | 65,974,786 |
| May 2019 | $32.45 | $32.52 | $30.58 | $30.65 | -5.63% | 53,812,891 |
| Apr 2019 | $35.47 | $36.65 | $31.96 | $32.48 | -8.40% | 50,342,550 |
| Mar 2019 | $35.50 | $36.00 | $34.09 | $35.46 | +0.11% | 46,704,675 |
| Feb 2019 | $37.25 | $37.32 | $34.62 | $35.42 | -4.78% | 49,655,860 |
| Jan 2019 | $32.00 | $37.23 | $31.58 | $37.20 | +14.78% | 35,765,371 |
| Dec 2018 | $34.14 | $35.18 | $30.56 | $32.41 | -4.59% | 41,467,402 |
| Nov 2018 | $30.73 | $34.10 | $30.50 | $33.97 | +10.98% | 35,595,846 |
| Oct 2018 | $34.62 | $34.92 | $30.22 | $30.61 | -11.33% | 55,227,935 |
| Sep 2018 | $36.12 | $36.79 | $33.88 | $34.52 | -4.38% | 30,423,272 |
| Aug 2018 | $34.85 | $36.80 | $34.00 | $36.10 | +2.82% | 30,324,340 |
| Jul 2018 | $34.90 | $36.95 | $33.01 | $35.11 | +0.29% | 42,786,169 |
| Jun 2018 | $33.35 | $35.37 | $33.06 | $35.01 | +5.17% | 39,292,362 |
| May 2018 | $33.97 | $34.72 | $31.87 | $33.29 | -1.92% | 30,618,986 |
| Apr 2018 | $32.87 | $34.77 | $32.15 | $33.94 | +3.29% | 30,401,282 |
| Mar 2018 | $31.36 | $33.38 | $30.78 | $32.86 | +4.45% | 42,273,519 |
| Feb 2018 | $34.94 | $35.25 | $30.95 | $31.46 | -10.19% | 45,242,370 |
| Jan 2018 | $37.80 | $37.94 | $33.57 | $35.03 | -7.16% | 40,303,340 |
| Dec 2017 | $40.89 | $41.13 | $36.93 | $37.73 | -7.68% | 48,553,992 |
| Nov 2017 | $40.18 | $41.53 | $39.56 | $40.87 | +2.17% | 23,359,842 |
| Oct 2017 | $38.83 | $41.17 | $37.51 | $40.00 | +2.83% | 26,483,997 |
| Sep 2017 | $39.44 | $40.64 | $37.96 | $38.90 | -1.32% | 26,703,680 |
| Aug 2017 | $36.37 | $39.74 | $36.37 | $39.42 | +8.21% | 27,781,708 |
| Jul 2017 | $34.65 | $36.72 | $32.92 | $36.43 | +6.02% | 19,165,291 |
| Jun 2017 | $34.99 | $35.69 | $32.53 | $34.36 | -1.60% | 27,834,074 |
| May 2017 | $34.95 | $35.69 | $34.30 | $34.92 | +0.46% | 24,211,503 |
| Apr 2017 | $35.55 | $36.70 | $34.57 | $34.76 | -2.55% | 22,128,182 |
| Mar 2017 | $36.49 | $36.58 | $33.43 | $35.67 | -1.87% | 30,192,136 |
| Feb 2017 | $35.79 | $37.75 | $35.30 | $36.35 | +1.54% | 28,391,158 |
| Jan 2017 | $32.81 | $36.28 | $32.27 | $35.80 | +10.22% | 27,521,691 |
| Dec 2016 | $32.99 | $35.08 | $31.39 | $32.48 | -1.58% | 34,219,575 |
| Nov 2016 | $33.29 | $34.65 | $30.75 | $33.00 | -2.16% | 35,900,325 |
| Oct 2016 | $37.51 | $37.51 | $32.55 | $33.73 | -10.13% | 33,105,301 |
| Sep 2016 | $38.48 | $39.75 | $35.42 | $37.53 | -2.29% | 37,394,000 |
| Aug 2016 | $41.23 | $41.50 | $36.38 | $38.41 | -6.79% | 42,400,300 |
| Jul 2016 | $39.92 | $41.44 | $39.23 | $41.21 | +3.46% | 31,360,500 |
| Jun 2016 | $36.55 | $39.84 | $36.10 | $39.83 | +8.41% | 44,689,300 |
| May 2016 | $37.36 | $38.64 | $35.71 | $36.74 | +0.57% | 68,609,100 |
| Apr 2016 | $33.26 | $36.62 | $32.12 | $36.53 | +7.73% | 51,360,900 |
| Mar 2016 | $29.52 | $34.15 | $29.16 | $33.91 | +15.42% | 27,700,800 |
| Feb 2016 | $27.24 | $30.00 | $26.08 | $29.38 | +6.68% | 29,231,400 |
| Jan 2016 | $26.80 | $27.65 | $23.64 | $27.54 | +1.96% | 24,863,200 |
| Dec 2015 | $27.97 | $28.34 | $25.99 | $27.01 | -2.77% | 28,824,600 |
| Nov 2015 | $30.66 | $32.24 | $27.73 | $27.78 | -9.33% | 26,043,600 |
| Oct 2015 | $31.07 | $32.35 | $29.90 | $30.64 | -1.23% | 45,646,700 |
| Sep 2015 | $27.72 | $31.07 | $27.39 | $31.02 | +9.46% | 33,329,900 |
| Aug 2015 | $30.09 | $30.62 | $26.49 | $28.34 | -5.69% | 34,180,100 |
| Jul 2015 | $30.95 | $32.25 | $28.34 | $30.05 | -3.06% | 32,217,400 |
| Jun 2015 | $36.49 | $37.02 | $30.95 | $31.00 | -15.00% | 47,480,600 |
| May 2015 | $34.50 | $37.73 | $33.88 | $36.47 | +5.74% | 33,009,800 |
| Apr 2015 | $36.50 | $38.49 | $34.29 | $34.49 | -5.46% | 34,440,500 |
| Mar 2015 | $36.67 | $38.91 | $35.60 | $36.48 | -0.73% | 35,103,600 |
| Feb 2015 | $39.85 | $41.53 | $35.84 | $36.75 | -7.76% | 26,821,700 |
| Jan 2015 | $38.95 | $41.12 | $38.59 | $39.84 | +3.05% | 28,561,400 |
| Dec 2014 | $37.88 | $40.41 | $36.43 | $38.66 | +1.71% | 41,795,100 |
| Nov 2014 | $36.05 | $38.50 | $35.88 | $38.01 | +5.38% | 58,102,000 |
| Oct 2014 | $32.56 | $36.33 | $31.11 | $36.07 | +10.47% | 46,374,900 |
| Sep 2014 | $36.03 | $37.10 | $31.17 | $32.65 | -9.26% | 49,154,500 |
| Aug 2014 | $33.56 | $36.33 | $32.60 | $35.98 | +7.37% | 25,136,700 |
| Jul 2014 | $35.41 | $35.58 | $33.49 | $33.51 | -5.47% | 33,323,500 |
| Jun 2014 | $31.14 | $36.00 | $29.62 | $35.45 | +13.84% | 51,684,100 |
| May 2014 | $28.43 | $31.15 | $26.70 | $31.14 | +9.49% | 38,050,300 |
| Apr 2014 | $27.67 | $28.78 | $25.95 | $28.44 | +3.16% | 34,014,400 |
| Mar 2014 | $26.90 | $28.56 | $26.62 | $27.57 | +1.36% | 28,124,700 |
| Feb 2014 | $26.48 | $29.19 | $25.75 | $27.20 | +2.99% | 33,089,300 |
| Jan 2014 | $30.26 | $30.48 | $26.31 | $26.41 | -12.98% | 55,953,400 |
| Dec 2013 | $28.12 | $30.80 | $27.55 | $30.35 | +7.93% | 28,292,600 |
| Nov 2013 | $26.51 | $30.70 | $25.52 | $28.12 | +5.95% | 40,914,200 |
| Oct 2013 | $27.00 | $27.96 | $25.03 | $26.54 | -1.78% | 35,341,000 |
| Sep 2013 | $25.95 | $29.12 | $25.53 | $27.02 | +4.73% | 37,102,000 |
| Aug 2013 | $27.46 | $28.54 | $25.72 | $25.80 | -7.19% | 26,804,900 |
| Jul 2013 | $26.64 | $29.08 | $26.59 | $27.80 | +4.47% | 26,730,100 |
| Jun 2013 | $35.86 | $35.89 | $25.91 | $26.61 | -25.75% | 62,523,000 |
| May 2013 | $37.79 | $39.71 | $35.82 | $35.84 | -5.34% | 21,009,500 |
| Apr 2013 | $36.25 | $37.87 | $35.63 | $37.86 | +4.27% | 18,461,900 |
| Mar 2013 | $34.37 | $36.67 | $34.23 | $36.31 | +5.25% | 20,833,500 |
| Feb 2013 | $34.32 | $35.16 | $33.36 | $34.50 | +0.85% | 24,020,400 |
| Jan 2013 | $31.45 | $34.65 | $31.45 | $34.21 | +10.18% | 24,285,100 |
| Dec 2012 | $31.78 | $31.98 | $30.50 | $31.05 | -1.74% | 30,913,400 |
| Nov 2012 | $34.47 | $35.48 | $31.39 | $31.60 | -8.67% | 34,433,000 |
| Oct 2012 | $34.14 | $37.70 | $33.18 | $34.60 | +1.44% | 31,368,600 |
| Sep 2012 | $32.73 | $34.18 | $32.06 | $34.11 | +3.99% | 22,856,600 |
| Aug 2012 | $32.30 | $33.81 | $31.53 | $32.80 | +1.83% | 23,405,200 |
| Jul 2012 | $32.90 | $33.05 | $30.91 | $32.21 | -2.28% | 25,308,400 |
| Jun 2012 | $28.00 | $33.50 | $27.10 | $32.96 | +16.26% | 53,922,300 |
| May 2012 | $30.36 | $31.82 | $28.01 | $28.35 | -6.65% | 41,077,900 |
| Apr 2012 | $28.74 | $30.75 | $28.49 | $30.37 | +5.45% | 34,936,100 |
| Mar 2012 | $31.08 | $31.44 | $28.35 | $28.80 | -7.25% | 38,640,900 |
| Feb 2012 | $31.06 | $32.20 | $28.99 | $31.05 | +0.75% | 28,111,300 |
| Jan 2012 | $31.20 | $32.24 | $30.67 | $30.82 | +0.06% | 19,991,900 |
| Dec 2011 | $30.41 | $31.16 | $29.03 | $30.80 | +1.42% | 35,175,400 |
| Nov 2011 | $30.00 | $30.63 | $28.34 | $30.37 | -1.81% | 43,206,200 |
| Oct 2011 | $31.35 | $33.70 | $28.83 | $30.93 | -2.18% | 49,789,300 |
| Sep 2011 | $32.47 | $34.77 | $30.38 | $31.62 | -2.83% | 33,317,200 |
| Aug 2011 | $31.88 | $32.90 | $27.68 | $32.54 | +2.88% | 61,983,500 |
| Jul 2011 | $34.05 | $35.79 | $31.02 | $31.63 | -7.22% | 41,451,800 |
| Jun 2011 | $33.83 | $34.17 | $31.83 | $34.09 | +0.24% | 34,407,900 |
| May 2011 | $31.88 | $34.31 | $31.40 | $34.01 | +6.78% | 38,872,100 |
| Apr 2011 | $31.23 | $35.50 | $31.18 | $31.85 | +1.99% | 90,589,700 |
| Mar 2011 | $26.09 | $31.53 | $24.98 | $31.23 | +20.12% | 70,745,200 |
| Feb 2011 | $24.53 | $27.16 | $24.45 | $26.00 | +6.60% | 35,040,900 |
| Jan 2011 | $25.16 | $25.75 | $24.28 | $24.39 | -2.48% | 28,580,900 |
| Dec 2010 | $22.50 | $25.42 | $22.49 | $25.01 | +12.61% | 34,975,500 |
| Nov 2010 | $21.83 | $23.25 | $21.39 | $22.21 | +1.93% | 30,996,300 |
| Oct 2010 | $22.47 | $23.00 | $19.93 | $21.79 | -2.46% | 76,733,400 |
| Sep 2010 | $20.50 | $22.54 | $20.15 | $22.34 | +10.16% | 99,735,300 |
| Aug 2010 | $23.93 | $24.41 | $20.09 | $20.28 | -14.32% | 33,728,100 |
| Jul 2010 | $22.42 | $25.81 | $21.96 | $23.67 | +5.39% | 24,902,800 |
| Jun 2010 | $24.29 | $25.09 | $22.44 | $22.46 | -8.40% | 32,627,100 |
| May 2010 | $25.29 | $26.25 | $22.62 | $24.52 | -2.50% | 31,492,200 |
| Apr 2010 | $27.62 | $28.49 | $24.97 | $25.15 | -8.21% | 27,845,300 |
| Mar 2010 | $26.09 | $27.76 | $25.36 | $27.40 | +5.87% | 25,105,300 |
| Feb 2010 | $22.97 | $26.48 | $21.32 | $25.88 | +13.21% | 33,072,100 |
| Jan 2010 | $22.89 | $24.93 | $22.68 | $22.86 | +0.44% | 21,067,200 |
| Dec 2009 | $24.23 | $24.39 | $22.74 | $22.76 | -5.17% | 21,239,500 |
| Nov 2009 | $24.56 | $26.05 | $23.91 | $24.00 | -1.76% | 23,241,900 |
| Oct 2009 | $26.41 | $27.57 | $24.15 | $24.43 | -8.36% | 33,217,200 |
| Sep 2009 | $29.24 | $29.45 | $26.29 | $26.66 | -8.98% | 23,763,200 |
| Aug 2009 | $29.21 | $30.67 | $27.50 | $29.29 | +0.27% | 20,393,600 |
| Jul 2009 | $28.84 | $32.04 | $27.26 | $29.21 | +1.60% | 28,385,200 |
| Jun 2009 | $27.72 | $29.40 | $27.05 | $28.75 | +5.50% | 23,181,900 |
| May 2009 | $28.35 | $31.27 | $26.05 | $27.25 | -4.35% | 34,636,200 |
| Apr 2009 | $21.78 | $29.77 | $21.52 | $28.49 | +28.51% | 36,929,600 |
| Mar 2009 | $18.18 | $23.26 | $16.91 | $22.17 | +19.32% | 41,071,500 |
| Feb 2009 | $20.25 | $21.75 | $17.88 | $18.58 | -9.19% | 48,366,600 |
| Jan 2009 | $24.62 | $25.66 | $20.30 | $20.46 | -17.27% | 79,645,000 |
| Dec 2008 | $21.23 | $25.18 | $17.30 | $24.73 | +13.81% | 30,327,000 |
| Nov 2008 | $24.45 | $26.30 | $16.71 | $21.73 | -10.50% | 22,954,400 |
| Oct 2008 | $24.30 | $27.79 | $18.52 | $24.28 | -0.53% | 44,167,500 |
| Sep 2008 | $29.30 | $29.74 | $23.50 | $24.41 | -15.57% | 19,296,300 |
| Aug 2008 | $28.89 | $30.08 | $27.69 | $28.91 | -0.31% | 12,880,000 |
| Jul 2008 | $26.40 | $29.17 | $24.02 | $29.00 | +9.23% | 26,413,700 |
| Jun 2008 | $30.02 | $31.06 | $26.43 | $26.55 | -11.59% | 15,870,600 |
| May 2008 | $28.43 | $31.28 | $28.43 | $30.03 | +9.32% | 15,948,200 |
| Apr 2008 | $26.55 | $28.03 | $25.51 | $27.47 | +3.90% | 23,168,200 |
| Mar 2008 | $29.88 | $29.88 | $24.20 | $26.44 | -12.10% | 29,231,400 |
| Feb 2008 | $34.62 | $35.74 | $29.20 | $30.08 | -12.53% | 16,573,900 |
| Jan 2008 | $36.76 | $37.13 | $30.76 | $34.39 | -7.10% | 11,896,900 |
| Dec 2007 | $36.33 | $38.85 | $35.76 | $37.02 | +1.48% | 9,366,200 |
| Nov 2007 | $34.61 | $38.16 | $34.06 | $36.48 | +5.04% | 18,662,200 |
| Oct 2007 | $30.48 | $35.10 | $30.48 | $34.73 | +13.94% | 13,243,800 |
| Sep 2007 | $28.74 | $30.90 | $27.39 | $30.48 | +7.86% | 9,614,100 |
| Aug 2007 | $27.45 | $30.45 | $27.14 | $28.26 | +5.49% | 18,026,800 |
| Jul 2007 | $26.65 | $27.44 | $25.75 | $26.79 | +2.53% | 11,195,200 |
| Jun 2007 | $27.49 | $27.53 | $25.05 | $26.13 | -4.95% | 14,149,300 |
| May 2007 | $28.07 | $29.00 | $27.14 | $27.49 | -2.17% | 13,841,200 |
| Apr 2007 | $26.10 | $28.35 | $25.92 | $28.10 | +7.54% | 9,859,500 |
| Mar 2007 | $27.60 | $27.71 | $25.80 | $26.13 | -6.07% | 10,168,200 |
| Feb 2007 | $27.97 | $29.23 | $27.30 | $27.82 | -0.57% | 7,487,100 |
| Jan 2007 | $27.58 | $28.15 | $26.02 | $27.98 | +1.52% | 13,342,500 |
| Dec 2006 | $28.61 | $28.77 | $27.37 | $27.56 | -4.08% | 10,979,400 |
| Nov 2006 | $28.89 | $29.72 | $28.37 | $28.73 | -0.62% | 9,409,050 |
| Oct 2006 | $28.63 | $29.15 | $27.03 | $28.91 | +1.00% | 12,149,850 |
| Sep 2006 | $27.32 | $29.48 | $26.67 | $28.63 | +4.76% | 8,106,000 |
| Aug 2006 | $27.23 | $27.40 | $24.75 | $27.33 | -0.02% | 10,665,450 |
| Jul 2006 | $24.97 | $27.33 | $22.64 | $27.33 | +9.68% | 14,631,300 |
| Jun 2006 | $24.61 | $25.29 | $22.91 | $24.92 | +1.19% | 16,017,150 |
| May 2006 | $26.13 | $26.33 | $23.43 | $24.63 | -5.52% | 29,364,900 |
| Apr 2006 | $27.07 | $27.24 | $25.83 | $26.07 | -4.03% | 7,622,100 |
| Mar 2006 | $28.90 | $29.67 | $26.29 | $27.16 | -6.77% | 14,079,300 |
| Feb 2006 | $27.79 | $29.91 | $27.67 | $29.13 | +4.85% | 9,261,150 |
| Jan 2006 | $28.00 | $28.39 | $27.13 | $27.79 | -1.28% | 9,931,350 |
| Dec 2005 | $27.60 | $29.49 | $27.50 | $28.15 | +2.35% | 14,501,100 |
| Nov 2005 | $26.07 | $30.06 | $26.07 | $27.50 | +5.77% | 25,449,750 |
| Oct 2005 | $24.37 | $26.63 | $22.80 | $26.00 | +6.27% | 11,200,950 |
| Sep 2005 | $22.99 | $25.17 | $22.90 | $24.47 | +6.41% | 11,910,900 |
| Aug 2005 | $22.87 | $23.49 | $22.02 | $22.99 | +0.58% | 13,198,800 |
| Jul 2005 | $20.67 | $23.63 | $20.13 | $22.86 | +10.54% | 14,958,600 |
| Jun 2005 | $19.07 | $20.81 | $18.23 | $20.68 | +8.08% | 22,671,300 |
| May 2005 | $19.80 | $19.93 | $18.97 | $19.13 | -3.37% | 15,610,050 |
| Apr 2005 | $19.29 | $20.46 | $18.17 | $19.80 | +2.98% | 21,216,450 |
| Mar 2005 | $18.01 | $21.33 | $18.00 | $19.23 | +6.62% | 27,998,250 |
| Feb 2005 | $18.81 | $19.47 | $17.77 | $18.03 | -4.08% | 21,369,150 |
| Jan 2005 | $20.33 | $20.33 | $18.30 | $18.80 | -7.51% | 23,253,150 |
| Dec 2004 | $19.80 | $20.58 | $19.80 | $20.33 | +1.19% | 18,864,900 |
| Nov 2004 | $22.03 | $23.17 | $19.20 | $20.09 | -8.83% | 40,605,900 |
| Oct 2004 | $22.53 | $23.39 | $20.87 | $22.03 | -2.36% | 22,721,850 |
| Sep 2004 | $20.56 | $22.63 | $20.48 | $22.57 | +9.80% | 14,274,000 |
| Aug 2004 | $21.51 | $21.79 | $20.14 | $20.55 | -4.46% | 8,540,400 |
| Jul 2004 | $21.45 | $22.39 | $20.74 | $21.51 | +0.30% | 13,943,850 |
| Jun 2004 | $19.76 | $21.84 | $19.64 | $21.45 | +9.01% | 11,030,175 |
| May 2004 | $20.27 | $20.82 | $18.76 | $19.68 | -2.73% | 8,821,800 |
| Apr 2004 | $19.87 | $20.60 | $18.64 | $20.23 | +1.97% | 13,958,775 |
| Mar 2004 | $20.20 | $20.50 | $19.32 | $19.84 | -0.49% | 15,251,850 |
| Feb 2004 | $18.59 | $20.25 | $18.15 | $19.93 | +7.74% | 11,063,925 |
| Jan 2004 | $17.22 | $19.56 | $17.22 | $18.50 | +5.29% | 14,341,950 |
| Dec 2003 | $16.33 | $17.84 | $16.33 | $17.57 | +7.45% | 13,804,200 |
| Nov 2003 | $17.00 | $17.00 | $16.11 | $16.36 | -3.77% | 12,949,425 |
| Oct 2003 | $16.01 | $17.20 | $15.46 | $17.00 | +6.52% | 20,776,725 |
| Sep 2003 | $16.40 | $16.50 | $14.92 | $15.96 | -2.97% | 27,970,650 |
| Aug 2003 | $16.22 | $16.84 | $15.35 | $16.44 | +1.09% | 14,290,650 |
| Jul 2003 | $16.48 | $17.75 | $15.99 | $16.27 | -1.32% | 12,684,375 |
| Jun 2003 | $17.58 | $17.86 | $16.28 | $16.48 | -6.10% | 12,064,050 |
| May 2003 | $17.71 | $17.71 | $16.31 | $17.56 | -0.88% | 18,984,600 |
| Apr 2003 | $17.00 | $18.06 | $16.58 | $17.71 | +4.18% | 25,102,800 |
| Mar 2003 | $15.78 | $17.55 | $14.96 | $17.00 | +8.67% | 24,809,400 |
| Feb 2003 | $14.09 | $15.67 | $13.44 | $15.64 | +11.01% | 12,316,275 |
| Jan 2003 | $14.76 | $15.43 | $13.82 | $14.09 | -3.94% | 12,001,050 |
| Dec 2002 | $14.71 | $14.89 | $13.68 | $14.67 | -0.24% | 12,853,125 |
| Nov 2002 | $12.54 | $15.20 | $12.44 | $14.71 | +17.30% | 23,891,175 |
| Oct 2002 | $11.16 | $12.54 | $8.95 | $12.54 | +12.89% | 25,187,400 |
| Sep 2002 | $12.33 | $12.43 | $10.69 | $11.11 | -10.11% | 13,148,550 |
| Aug 2002 | $13.11 | $13.47 | $12.00 | $12.36 | -6.55% | 11,944,125 |
| Jul 2002 | $13.91 | $13.91 | $10.10 | $13.22 | -3.56% | 29,438,100 |
| Jun 2002 | $13.87 | $14.34 | $12.93 | $13.71 | -0.48% | 13,280,175 |
| May 2002 | $13.78 | $14.74 | $13.69 | $13.78 | +0.65% | 9,616,950 |
| Apr 2002 | $14.01 | $14.16 | $13.51 | $13.69 | -2.90% | 8,359,200 |
| Mar 2002 | $13.56 | $14.59 | $13.16 | $14.10 | -0.78% | 10,747,350 |
| Feb 2002 | $14.22 | $14.26 | $13.02 | $14.21 | -0.25% | 9,742,050 |
| Jan 2002 | $12.98 | $14.45 | $12.97 | $14.24 | +9.76% | 10,509,975 |
| Dec 2001 | $12.81 | $13.54 | $12.76 | $12.98 | +1.15% | 8,718,300 |
| Nov 2001 | $11.56 | $12.95 | $11.26 | $12.83 | +10.88% | 18,845,663 |
| Oct 2001 | $12.28 | $12.43 | $11.41 | $11.57 | -5.79% | 13,653,225 |
| Sep 2001 | $12.64 | $13.32 | $11.78 | $12.28 | -2.81% | 17,066,700 |
| Aug 2001 | $12.96 | $13.33 | $12.33 | $12.64 | -2.27% | 9,190,462 |
| Jul 2001 | $13.26 | $13.26 | $12.36 | $12.93 | -2.68% | 10,849,951 |
| Jun 2001 | $12.18 | $13.32 | $12.12 | $13.29 | +9.07% | 13,343,740 |
| May 2001 | $10.74 | $12.30 | $10.74 | $12.18 | +13.72% | 17,771,062 |
| Apr 2001 | $11.32 | $11.32 | $10.12 | $10.71 | -5.66% | 9,527,626 |
| Mar 2001 | $11.50 | $12.64 | $10.30 | $11.35 | -1.77% | 11,069,999 |
| Feb 2001 | $11.10 | $11.60 | $10.74 | $11.56 | +4.87% | 7,289,660 |
| Jan 2001 | $10.59 | $11.41 | $9.37 | $11.02 | +0.20% | 9,868,500 |
| Dec 2000 | $9.81 | $11.11 | $8.74 | $11.00 | +11.86% | 10,467,899 |
| Nov 2000 | $10.06 | $10.15 | $9.41 | $9.83 | -1.85% | 9,161,439 |
| Oct 2000 | $10.81 | $10.85 | $9.85 | $10.02 | -8.61% | 9,531,001 |
| Sep 2000 | $10.07 | $10.96 | $9.19 | $10.96 | +8.42% | 8,491,161 |
| Aug 2000 | $10.37 | $10.37 | $9.70 | $10.11 | -2.50% | 6,504,975 |
| Jul 2000 | $9.94 | $10.41 | $9.52 | $10.37 | +3.23% | 6,704,097 |
| Jun 2000 | $10.80 | $10.91 | $9.19 | $10.05 | -7.11% | 10,878,299 |
| May 2000 | $10.33 | $10.89 | $9.85 | $10.81 | +4.10% | 8,055,111 |
| Apr 2000 | $10.11 | $10.54 | $8.78 | $10.39 | +2.94% | 8,046,337 |
| Mar 2000 | $8.89 | $10.30 | $8.89 | $10.09 | +11.68% | 11,802,038 |
| Feb 2000 | $9.74 | $10.33 | $8.22 | $9.04 | -7.58% | 10,243,462 |
| Jan 2000 | $11.65 | $11.65 | $9.63 | $9.78 | -16.06% | 10,612,688 |
| Dec 1999 | $8.74 | $11.70 | $8.63 | $11.65 | +33.55% | 9,353,137 |
| Nov 1999 | $8.96 | $9.48 | $8.67 | $8.72 | -1.87% | 10,108,799 |
| Oct 1999 | $10.07 | $10.07 | $7.44 | $8.89 | -11.44% | 12,091,953 |
| Sep 1999 | $9.41 | $10.19 | $9.35 | $10.04 | +7.54% | 3,681,785 |
| Aug 1999 | $9.56 | $9.56 | $8.81 | $9.33 | -2.14% | 3,057,747 |
| Jul 1999 | $8.48 | $9.81 | $8.26 | $9.54 | +12.45% | 4,277,137 |
| Jun 1999 | $8.20 | $8.89 | $7.52 | $8.48 | +3.62% | 5,209,653 |
| May 1999 | $8.28 | $8.81 | $7.85 | $8.19 | -0.67% | 15,728,849 |
| Apr 1999 | $9.19 | $9.81 | $7.70 | $8.24 | -11.00% | 4,605,863 |
| Mar 1999 | $9.28 | $9.63 | $8.11 | $9.26 | +2.04% | 10,231,312 |
| Feb 1999 | $9.57 | $9.93 | $8.74 | $9.07 | -5.41% | 4,803,637 |
| Jan 1999 | $10.37 | $10.74 | $8.52 | $9.59 | -10.23% | 11,248,876 |
| Dec 1998 | $8.74 | $10.74 | $8.67 | $10.69 | +23.29% | 5,348,026 |
| Nov 1998 | $8.76 | $9.04 | $8.44 | $8.67 | -4.29% | 4,445,211 |
| Oct 1998 | $8.00 | $9.11 | $6.81 | $9.06 | +1.88% | 6,456,038 |
| Sep 1998 | $7.15 | $8.89 | $6.67 | $8.89 | +27.66% | 4,172,851 |
| Aug 1998 | $8.59 | $9.04 | $6.74 | $6.96 | -17.06% | 5,759,770 |
| Jul 1998 | $8.70 | $8.99 | $7.83 | $8.40 | -5.03% | 3,426,300 |
| Jun 1998 | $8.40 | $9.09 | $7.41 | $8.84 | +7.75% | 5,759,608 |
| May 1998 | $8.59 | $8.89 | $7.70 | $8.20 | -1.12% | 3,371,119 |
| Apr 1998 | $7.41 | $8.74 | $7.28 | $8.30 | +12.00% | 7,951,160 |
| Mar 1998 | $6.67 | $7.43 | $6.20 | $7.41 | +10.29% | 25,581,827 |
| Feb 1998 | $7.06 | $7.06 | $6.52 | $6.72 | -4.90% | 1,699,989 |
| Jan 1998 | $7.11 | $7.14 | $6.83 | $7.06 | -0.69% | 1,883,249 |
| Dec 1997 | $7.52 | $7.65 | $6.31 | $7.11 | -5.26% | 5,311,574 |
| Nov 1997 | $7.65 | $7.65 | $7.01 | $7.51 | -1.14% | 1,741,499 |
| Oct 1997 | $7.01 | $7.85 | $6.81 | $7.59 | +9.82% | 3,655,628 |
| Sep 1997 | $6.22 | $7.16 | $6.07 | $6.91 | +11.11% | 1,465,091 |
| Aug 1997 | $6.22 | $6.37 | $5.78 | $6.22 | -2.32% | 1,763,772 |
| Jul 1997 | $5.78 | $6.77 | $5.78 | $6.37 | +7.50% | 2,892,208 |
| Jun 1997 | $5.43 | $5.93 | $5.38 | $5.93 | +7.62% | 3,760,932 |
| May 1997 | $4.72 | $5.53 | $4.72 | $5.51 | +18.62% | 2,206,241 |
| Apr 1997 | $4.89 | $4.99 | $4.59 | $4.64 | -5.05% | 906,191 |
| Mar 1997 | $5.48 | $5.58 | $4.25 | $4.89 | -11.61% | 1,894,386 |
| Feb 1997 | $5.53 | $5.63 | $5.23 | $5.53 | -0.88% | 1,556,212 |
| Jan 1997 | $5.98 | $6.12 | $5.43 | $5.58 | -6.61% | 1,653,412 |
| Dec 1996 | $6.05 | $6.12 | $5.98 | $5.98 | -1.22% | 681,917 |
| Nov 1996 | $5.93 | $6.17 | $5.93 | $6.05 | +2.08% | 638,885 |
| Oct 1996 | $5.88 | $6.32 | $5.63 | $5.93 | +1.70% | 1,887,806 |
| Sep 1996 | $4.64 | $6.02 | $4.64 | $5.83 | +21.65% | 2,494,292 |
| Aug 1996 | $4.49 | $4.79 | $4.49 | $4.79 | +4.30% | 1,773,391 |
| Jul 1996 | $4.05 | $4.94 | $4.05 | $4.59 | +10.71% | 10,477,346 |
| Jun 1996 | $3.75 | $4.15 | $3.65 | $4.15 | +12.00% | 4,415,515 |
| May 1996 | $3.26 | $3.80 | $3.16 | $3.70 | +11.94% | 6,212,191 |
| Apr 1996 | $3.01 | $3.31 | $2.86 | $3.31 | +9.83% | 2,397,601 |
| Mar 1996 | $3.11 | $3.16 | $2.72 | $3.01 | -3.94% | 8,827,988 |
| Feb 1996 | $3.21 | $3.21 | $2.86 | $3.14 | – | 24,506,042 |
Seasonality
IRM return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Average | 3.3% | 1.6% | 0.3% | 2.8% | 2.1% | 2.8% | 2.6% | 4.7% | -2.3% | 1.8% | 1.9% | 0.4% |
| Months up | 5 of 10 | 5 of 10 | 6 of 10 | 6 of 10 | 7 of 10 | 6 of 10 | 6 of 10 | 8 of 10 | 4 of 10 | 7 of 10 | 5 of 9 | 4 of 9 |
| 2026 | 11.1% | 17.6% | -4.9% | 23.4% | 1.8% | -0.8% | -3.2% | -5.7% | -3.1% | 5.0% | ||
| 2025 | -3.4% | -8.3% | -6.8% | 4.2% | 10.1% | 4.7% | -5.1% | -5.2% | 11.3% | 1.0% | -16.1% | -2.9% |
| 2024 | -3.5% | 16.5% | 2.8% | -3.4% | 4.1% | 11.9% | 14.4% | 10.4% | 5.6% | 4.1% | -0.0% | -14.5% |
| 2023 | 9.5% | -3.4% | 1.5% | 4.4% | -3.3% | 7.5% | 8.1% | 3.5% | -5.5% | -0.6% | 8.6% | 10.1% |
| 2022 | -12.2% | 7.1% | 14.1% | -3.0% | 0.3% | -8.5% | -0.4% | 8.5% | -15.5% | 13.9% | 8.5% | -7.2% |
| 2021 | 14.2% | 3.3% | 8.2% | 8.4% | 8.5% | -1.5% | 3.4% | 9.1% | -7.8% | 5.0% | -0.4% | 16.6% |
| 2020 | -0.8% | -3.8% | -19.9% | 1.6% | 6.5% | 3.6% | 8.0% | 6.7% | -9.1% | -2.7% | 5.5% | 9.4% |
| 2019 | 14.8% | -4.8% | 1.9% | -8.4% | -5.6% | 4.1% | -6.0% | 8.3% | 3.5% | 1.3% | -2.1% | 1.1% |
| 2018 | -7.2% | -10.2% | 6.3% | 3.3% | -1.9% | 7.0% | 0.3% | 2.8% | -2.8% | -11.3% | 11.0% | -2.9% |
| 2017 | 10.2% | 1.5% | -0.3% | -2.6% | 0.5% | -0.0% | 6.0% | 8.2% | 0.1% | 2.8% | 2.2% | -6.2% |