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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 week, newest first. Adjusted for stock splits, not for dividends.

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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
Week ofOpenHighLowCloseChangeVolume
Oct 26, 2026$110.55$119.64$110.32$116.55+5.99%5,121,417
Oct 19, 2026$113.57$116.09$107.20$109.96-2.27%7,436,233
Oct 12, 2026$114.39$115.66$107.80$112.51-1.75%5,663,876
Oct 5, 2026$113.32$117.41$110.46$114.51+0.99%7,383,464
Sep 28, 2026$110.90$114.74$108.96$113.39+1.80%8,314,658
Sep 21, 2026$115.48$118.47$110.72$111.38-2.59%6,976,838
Sep 14, 2026$113.26$115.30$109.13$114.34-0.73%9,703,124
Sep 8, 2026$117.05$119.42$112.54$115.18-1.44%5,763,901
Aug 31, 2026$116.35$117.13$110.77$116.86-0.46%10,504,454
Aug 24, 2026$121.69$125.40$116.19$117.40-3.79%6,282,839
Aug 17, 2026$129.20$130.05$120.20$122.02-5.73%6,113,114
Aug 10, 2026$120.48$129.85$120.30$129.43+6.83%6,724,212
Aug 3, 2026$122.17$129.40$119.82$121.15-0.96%11,488,099
Jul 27, 2026$129.64$132.53$120.51$122.32-4.67%10,113,009
Jul 20, 2026$123.66$132.87$122.14$128.31+3.63%8,011,642
Jul 13, 2026$120.78$125.11$118.66$123.82+1.90%12,691,081
Jul 6, 2026$117.90$121.95$114.33$121.51+3.71%10,680,988
Jun 29, 2026$131.72$133.71$115.68$117.16-11.54%8,156,069
Jun 22, 2026$128.90$134.68$127.95$132.44+3.61%10,426,734
Jun 15, 2026$128.79$130.70$125.42$127.83+0.46%6,341,438
Jun 8, 2026$126.55$127.95$122.39$127.24+2.07%5,819,596
Jun 1, 2026$126.70$130.74$124.18$124.66-2.80%7,204,655
May 26, 2026$127.88$129.47$125.00$128.25+1.42%5,650,720
May 18, 2026$125.87$128.27$122.05$126.46+1.11%5,315,249
May 11, 2026$129.98$131.55$123.29$125.07-2.93%7,449,588
May 4, 2026$126.82$134.09$125.30$128.84+1.30%8,738,836
Apr 27, 2026$116.07$127.94$110.00$127.19+9.62%12,883,246
Apr 20, 2026$118.00$121.00$115.83$116.03-1.73%7,363,366
Apr 13, 2026$109.30$119.15$108.31$118.07+7.95%6,961,223
Apr 6, 2026$103.00$109.64$102.47$109.37+5.88%5,750,320
Mar 30, 2026$100.03$104.08$96.91$103.30+5.09%5,933,000
Mar 23, 2026$102.52$103.78$97.83$98.30-1.32%6,841,568
Mar 16, 2026$107.74$109.19$99.51$99.61-6.77%8,350,136
Mar 9, 2026$104.22$109.61$102.52$106.84+1.58%6,758,701
Mar 2, 2026$107.27$110.84$104.62$105.18-2.91%6,972,086
Feb 23, 2026$109.84$115.24$107.72$108.33-1.78%10,500,554
Feb 17, 2026$110.98$111.63$105.14$110.29+0.42%7,882,343
Feb 9, 2026$95.67$110.91$95.02$109.83+14.67%16,354,527
Feb 2, 2026$91.54$96.44$87.10$95.78+3.96%9,626,853
Jan 26, 2026$93.77$94.62$90.13$92.13-1.56%8,906,060
Jan 20, 2026$94.72$95.12$91.62$93.59-2.44%7,020,789
Jan 12, 2026$88.84$96.50$88.25$95.93+7.56%10,688,469
Jan 5, 2026$83.15$89.91$81.74$89.19+7.15%10,852,473
Dec 29, 2025$81.90$83.77$81.90$83.24+1.52%6,393,229
Dec 22, 2025$80.00$82.14$79.21$81.99+2.37%4,799,446
Dec 15, 2025$83.11$83.83$77.77$80.09-3.91%16,715,269
Dec 8, 2025$84.25$88.83$81.65$83.35-1.14%10,711,293
Dec 1, 2025$84.50$85.44$82.00$84.31-2.36%7,872,384
Nov 24, 2025$85.35$86.93$82.38$86.35+1.56%8,619,806
Nov 17, 2025$91.62$91.81$82.16$85.02-6.95%19,595,931
Nov 10, 2025$104.12$104.67$89.00$91.37-12.25%12,108,049
Nov 3, 2025$102.51$106.85$96.91$104.12+1.14%10,408,336

Seasonality

IRM return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average3.3%1.6%0.3%2.8%2.1%2.8%2.6%4.7%-2.3%1.8%1.9%0.4%
Months up5 of 105 of 106 of 106 of 107 of 106 of 106 of 108 of 104 of 107 of 105 of 94 of 9
202611.1%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%
20239.5%-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%
202114.2%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%
201914.8%-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%
201710.2%1.5%-0.3%-2.6%0.5%-0.0%6.0%8.2%0.1%2.8%2.2%-6.2%