Iron Mountain Incorporated (IRM) — Price History

As of 2026-08-07 — refreshed nightly from the Closelook data lake. Diary readings, not advice.

Daily prices

Date	Open	High	Low	Close	Chg %	Volume
2026-08-07	122.70	123.26	120.53	121.15	-0.66%	1,491,800
2026-08-06	127.26	127.59	121.40	121.96	-4.07%	2,882,900
2026-08-05	128.90	129.40	120.42	127.13	+1.29%	2,711,900
2026-08-04	123.05	126.37	121.89	125.51	+1.15%	2,511,100
2026-08-03	122.17	125.59	119.82	124.08	+1.44%	1,889,800
2026-07-31	126.27	126.27	122.13	122.32	-1.86%	2,939,400
2026-07-30	123.04	126.68	122.50	124.64	+3.22%	2,745,900
2026-07-29	124.61	125.12	120.51	120.75	-3.94%	1,802,600
2026-07-28	126.35	126.53	122.82	125.70	-1.02%	1,168,900
2026-07-27	129.64	132.53	124.71	126.99	-1.03%	1,455,000
2026-07-24	127.02	132.87	125.33	128.31	+3.02%	1,808,100
2026-07-23	122.81	126.18	122.14	124.55	+0.03%	1,660,700
2026-07-22	125.52	126.24	123.98	124.51	-0.84%	1,229,800
2026-07-21	125.23	128.26	124.97	125.56	+1.07%	1,537,300
2026-07-20	123.66	125.91	122.74	124.23	+0.33%	1,775,600
2026-07-17	120.74	125.11	119.12	123.82	+1.78%	2,105,100
2026-07-16	123.08	124.47	121.30	121.66	-1.51%	2,244,300
2026-07-15	122.98	123.69	118.66	123.52	+0.70%	2,946,900
2026-07-14	122.78	123.70	120.82	122.66	+0.24%	2,580,300
2026-07-13	120.78	123.96	120.72	122.37	+0.71%	2,813,900
2026-07-10	119.67	121.95	118.08	121.51	+1.70%	1,834,500
2026-07-09	116.00	119.53	115.28	119.48	+3.48%	1,802,600
2026-07-08	115.18	117.47	114.33	115.46	-0.25%	2,340,600
2026-07-07	116.67	117.30	114.65	115.75	-0.54%	2,791,400
2026-07-06	117.90	118.83	114.72	116.38	-0.67%	1,911,800
2026-07-02	121.81	122.81	115.68	117.16	-3.89%	2,957,700
2026-07-01	125.62	126.53	121.25	121.90	-3.49%	2,204,100
2026-06-30	128.45	129.19	124.52	126.31	-2.82%	1,782,700
2026-06-29	131.72	133.71	128.32	129.97	-1.86%	1,210,900
2026-06-26	130.47	132.62	129.49	132.44	+1.05%	2,134,000
2026-06-25	132.28	132.99	128.75	131.06	+0.36%	2,267,700
2026-06-24	134.10	134.68	129.66	130.59	-1.86%	2,322,500
2026-06-23	129.75	133.57	129.40	133.06	+0.91%	1,969,200
2026-06-22	128.90	132.99	127.95	131.86	+3.15%	1,732,800
2026-06-18	128.83	129.21	126.76	127.83	+1.91%	2,110,400
2026-06-17	128.27	129.50	125.42	125.44	-2.16%	1,304,200
2026-06-16	128.66	130.70	127.43	128.21	+1.53%	1,669,700
2026-06-15	128.79	128.82	125.69	126.28	-0.75%	1,257,000
2026-06-12	125.74	127.95	125.53	127.24	+1.65%	928,200
2026-06-11	124.16	125.79	122.72	125.17	+1.47%	1,239,400
2026-06-10	125.29	126.46	123.27	123.36	-2.20%	846,400
2026-06-09	125.27	126.17	122.39	126.14	+2.14%	1,368,900
2026-06-08	126.55	127.04	123.34	123.50	-0.93%	1,436,400
2026-06-05	129.04	129.32	124.18	124.66	-4.29%	1,706,500
2026-06-04	129.25	130.28	125.60	130.25	+1.80%	1,318,600
2026-06-03	128.01	130.74	127.72	127.95	-0.40%	1,205,200
2026-06-02	126.62	129.48	126.53	128.46	+1.65%	1,465,800
2026-06-01	126.70	129.87	125.43	126.38	-1.46%	1,508,200
2026-05-29	126.75	128.45	125.00	128.25	+1.12%	2,365,400
2026-05-28	127.00	128.57	125.71	126.83	-0.14%	1,026,000
2026-05-27	127.90	128.67	126.84	127.01	-1.08%	1,255,000
2026-05-26	127.88	129.47	126.96	128.40	+1.53%	1,003,700
2026-05-22	128.00	128.27	126.18	126.46	-0.68%	949,800
2026-05-21	125.50	127.46	124.81	127.33	+1.21%	1,342,200
2026-05-20	124.45	126.08	124.23	125.81	+1.85%	1,025,600
2026-05-19	123.12	124.76	122.05	123.52	-0.35%	964,700
2026-05-18	125.87	126.34	122.86	123.96	-0.89%	1,032,700
2026-05-15	126.88	126.88	123.50	125.07	-2.10%	1,249,400
2026-05-14	126.42	128.14	125.22	127.75	+1.29%	1,051,400
2026-05-13	126.10	127.17	123.29	126.12	-0.07%	1,742,000
2026-05-12	128.97	129.21	125.00	126.21	-2.89%	2,047,400
2026-05-11	129.98	131.55	129.11	129.96	+0.87%	1,358,900
2026-05-08	127.91	129.76	127.20	128.84	+1.60%	1,141,500
2026-05-07	132.00	132.69	125.30	126.81	-3.98%	2,182,400
2026-05-06	132.32	134.09	131.23	132.06	+0.27%	1,677,500
2026-05-05	129.80	131.83	128.40	131.70	+2.71%	2,242,100
2026-05-04	126.82	128.25	126.45	128.22	+0.81%	1,494,900
2026-05-01	126.85	127.94	124.64	127.19	+0.95%	2,399,900
2026-04-30	116.87	126.43	116.45	125.99	+10.02%	5,039,300
2026-04-29	112.01	114.90	111.20	114.52	+1.69%	1,848,600
2026-04-28	112.62	113.32	110.00	112.62	-0.12%	1,882,400
2026-04-27	116.07	116.99	112.55	112.75	-2.83%	1,712,600
2026-04-24	116.38	117.89	115.83	116.03	-0.08%	1,642,700
2026-04-23	117.71	118.03	115.89	116.12	-0.95%	1,390,400
2026-04-22	119.39	119.94	117.21	117.23	-0.51%	1,355,500
2026-04-21	120.71	121.00	117.74	117.83	-2.24%	1,526,800
2026-04-20	118.00	120.74	117.51	120.53	+2.08%	1,447,600
2026-04-17	118.55	119.15	116.96	118.07	+0.29%	1,938,900
2026-04-16	114.40	118.02	113.85	117.73	+3.68%	1,830,900
2026-04-15	113.91	114.14	112.79	113.55	-0.42%	998,100
2026-04-14	112.88	114.30	112.15	114.03	+1.92%	1,107,700
2026-04-13	109.30	111.92	108.31	111.88	+2.29%	1,085,500
2026-04-10	108.99	109.49	108.41	109.37	+0.63%	1,062,400
2026-04-09	107.00	109.64	106.83	108.69	+1.61%	1,185,600
2026-04-08	108.21	108.39	106.25	106.97	+2.14%	1,580,500
2026-04-07	103.64	105.10	102.47	104.73	+0.35%	831,400
2026-04-06	103.00	104.77	102.61	104.36	+1.03%	1,090,000
2026-04-02	99.90	103.53	99.17	103.30	+2.33%	1,113,900
2026-04-01	103.06	104.08	100.90	100.95	-1.17%	1,505,500
2026-03-31	99.05	103.24	98.50	102.14	+4.65%	2,005,000
2026-03-30	100.03	100.03	96.91	97.60	-0.71%	1,308,000
2026-03-27	99.24	100.27	97.83	98.30	-1.91%	1,367,700
2026-03-26	99.81	101.04	99.03	100.21	-0.32%	1,126,300
2026-03-25	102.08	102.23	100.03	100.53	-0.18%	1,443,800
2026-03-24	101.80	102.87	100.36	100.71	-1.21%	1,337,000
2026-03-23	102.52	103.78	101.03	101.94	+2.34%	1,566,700
2026-03-20	104.74	105.58	99.51	99.61	-5.08%	3,054,000
2026-03-19	104.43	105.70	103.57	104.94	-0.76%	1,484,500
2026-03-18	107.62	108.22	105.70	105.74	-2.06%	1,163,900
2026-03-17	108.25	109.19	107.15	107.96	+0.41%	1,279,600
2026-03-16	107.74	108.55	106.82	107.52	+0.64%	1,368,100
2026-03-13	108.94	109.61	106.61	106.84	-0.50%	1,319,300
2026-03-12	106.87	108.77	105.87	107.38	-0.20%	1,526,700
2026-03-11	107.29	108.75	106.35	107.59	-0.17%	1,432,500
2026-03-10	106.77	108.79	106.23	107.77	+0.59%	1,187,500
2026-03-09	104.22	107.66	102.52	107.14	+1.86%	1,292,200
2026-03-06	106.07	106.61	104.89	105.18	-1.98%	878,900
2026-03-05	105.61	107.56	104.62	107.30	-0.50%	1,592,800
2026-03-04	107.74	108.13	106.34	107.84	+0.06%	1,313,200
2026-03-03	107.60	108.25	104.68	107.78	-2.31%	1,419,500
2026-03-02	107.27	110.84	106.59	110.33	+1.85%	1,767,400
2026-02-27	108.26	110.73	107.72	108.33	-0.93%	3,133,200
2026-02-26	112.24	112.70	107.79	109.35	-2.17%	1,609,500
2026-02-25	113.63	115.24	111.04	111.78	-1.29%	2,297,800
2026-02-24	111.25	113.34	110.58	113.24	+1.84%	1,616,300
2026-02-23	109.84	111.46	109.37	111.19	+0.82%	1,843,300
2026-02-20	108.17	110.37	107.37	110.29	+1.98%	1,521,300
2026-02-19	106.20	108.45	105.25	108.15	+2.19%	1,700,000
2026-02-18	108.59	109.13	105.14	105.83	-2.72%	2,159,400
2026-02-17	110.98	111.63	108.02	108.79	-0.95%	2,501,200
2026-02-13	107.00	110.89	106.09	109.83	+3.61%	4,050,300
2026-02-12	103.61	110.91	103.39	106.00	+5.77%	5,864,300
2026-02-11	99.72	100.61	98.71	100.22	+0.92%	2,802,500
2026-02-10	97.30	100.23	96.41	99.31	+2.30%	1,891,400
2026-02-09	95.67	97.67	95.02	97.08	+1.36%	1,745,300
2026-02-06	90.83	96.44	89.58	95.78	+7.68%	2,458,500
2026-02-05	89.88	90.03	88.61	88.95	-1.24%	1,510,100
2026-02-04	88.77	91.64	87.90	90.07	+1.65%	2,076,600
2026-02-03	89.20	89.90	87.10	88.61	-0.91%	1,753,800
2026-02-02	91.54	92.45	89.18	89.42	-2.94%	1,827,800
2026-01-30	92.73	92.73	90.13	92.13	-0.97%	2,720,800
2026-01-29	93.00	93.64	91.54	93.03	+0.86%	1,186,900
2026-01-28	91.92	93.05	91.57	92.24	+0.57%	1,405,200
2026-01-27	93.80	93.80	90.74	91.72	-2.26%	2,438,200
2026-01-26	93.77	94.62	93.35	93.84	+0.27%	1,154,800
2026-01-23	93.90	94.23	92.66	93.59	-0.28%	1,197,300
2026-01-22	94.25	95.12	93.17	93.85	+0.04%	1,576,300
2026-01-21	93.01	93.89	91.62	93.81	+1.58%	1,888,000
2026-01-20	94.72	94.90	91.99	92.35	-3.73%	2,359,100
2026-01-16	92.55	96.50	92.30	95.93	+3.52%	3,151,500
2026-01-15	92.41	93.63	91.58	92.67	+1.23%	1,696,200
2026-01-14	91.90	92.25	89.68	91.54	-0.64%	2,115,400
2026-01-13	90.00	92.72	89.02	92.13	+2.94%	2,313,500
2026-01-12	88.84	89.63	88.25	89.50	+0.35%	1,411,400
2026-01-09	87.72	89.91	87.62	89.19	+2.14%	1,475,900
2026-01-08	86.67	88.02	86.00	87.32	+0.31%	2,162,000
2026-01-07	85.34	88.89	84.80	87.05	+2.56%	2,636,000
2026-01-06	83.70	86.72	83.44	84.88	+1.45%	2,020,400
2026-01-05	83.15	84.20	81.74	83.67	+0.52%	2,557,700
2026-01-02	83.00	83.77	82.34	83.24	+0.35%	1,900,100
2025-12-31	83.20	83.51	82.49	82.95	-0.49%	1,979,300
2025-12-30	82.63	83.50	82.29	83.36	+0.88%	1,288,500
2025-12-29	81.90	82.89	81.90	82.63	+0.78%	1,225,200
2025-12-26	81.38	82.14	80.72	81.99	+0.65%	858,100
2025-12-24	80.69	81.90	80.63	81.46	+0.82%	728,500
2025-12-23	80.96	81.05	79.50	80.80	-0.27%	1,476,500
2025-12-22	80.00	81.19	79.21	81.02	+1.16%	1,736,200
2025-12-19	78.89	80.37	78.23	80.09	+1.56%	6,057,700
2025-12-18	81.05	81.28	77.77	78.86	-0.67%	2,673,100
2025-12-17	81.05	82.49	79.05	79.39	-1.99%	3,152,100
2025-12-16	82.66	82.94	80.29	81.00	-1.75%	2,134,800
2025-12-15	83.11	83.83	82.00	82.44	-1.09%	2,697,200
2025-12-12	88.50	88.83	81.65	83.35	-5.32%	3,224,900
2025-12-11	85.73	88.50	83.90	88.03	+2.96%	2,311,200
2025-12-10	85.15	86.64	83.78	85.50	+0.47%	1,762,800
2025-12-09	84.46	85.64	84.46	85.10	+0.79%	1,446,600
2025-12-08	84.25	84.79	83.16	84.43	+0.14%	1,965,300
2025-12-05	84.76	85.44	83.92	84.31	-0.85%	1,476,400
2025-12-04	83.51	85.28	83.42	85.03	+0.89%	1,589,600
2025-12-03	82.94	84.36	82.00	84.28	+1.82%	1,466,400
2025-12-02	82.99	83.20	82.15	82.77	-0.07%	1,394,300
2025-12-01	84.50	85.00	82.72	82.83	-4.08%	1,945,500
2025-11-28	85.93	86.42	85.38	86.35	+0.15%	735,900
2025-11-26	85.53	86.93	85.25	86.22	+0.65%	1,494,200
2025-11-25	85.06	86.40	83.44	85.66	+1.10%	2,698,300
2025-11-24	85.35	85.66	82.38	84.73	-0.34%	3,691,200
2025-11-21	83.03	86.27	82.16	85.02	+2.43%	3,586,400
2025-11-20	88.00	89.48	82.89	83.00	-4.27%	3,687,800
2025-11-19	89.52	90.01	82.29	86.70	-2.89%	6,190,600
2025-11-18	88.66	90.18	86.97	89.28	+0.68%	3,577,200
2025-11-17	91.62	91.81	88.64	88.68	-2.94%	2,553,700
2025-11-14	90.44	93.03	89.00	91.37	+0.00%	2,427,200
2025-11-13	97.34	97.61	91.02	91.37	-6.85%	4,391,500
2025-11-12	101.34	101.64	98.08	98.09	-3.03%	1,705,200
2025-11-11	103.08	103.65	100.33	101.15	-1.15%	1,807,600
2025-11-10	104.12	104.67	102.19	102.33	-1.72%	1,776,500
2025-11-07	100.93	104.19	99.66	104.12	+3.23%	2,261,800
2025-11-06	100.04	101.86	99.21	100.86	+0.39%	1,494,600
2025-11-05	103.63	106.85	96.91	100.47	-2.76%	3,221,900
2025-11-04	102.68	103.86	102.00	103.32	-0.34%	1,618,400
2025-11-03	102.51	103.82	101.43	103.67	+0.70%	1,811,100
2025-10-31	100.82	103.94	100.35	102.95	+1.63%	1,604,100
2025-10-30	100.98	103.59	100.98	101.30	-0.04%	1,154,900
2025-10-29	103.84	103.87	101.09	101.34	-2.60%	1,032,800
2025-10-28	105.61	105.65	103.72	104.05	-2.26%	766,300
2025-10-27	105.84	106.67	104.65	106.46	+1.17%	876,800
2025-10-24	105.18	106.83	104.52	105.23	+1.25%	788,700
2025-10-23	103.96	104.33	102.54	103.93	-0.02%	756,900
2025-10-22	104.16	105.00	102.03	103.95	-0.44%	886,400
2025-10-21	105.44	106.06	102.79	104.41	-1.34%	863,200
2025-10-20	105.38	106.00	104.81	105.83	+1.20%	989,000
2025-10-17	105.11	105.90	103.32	104.58	-1.14%	1,219,000
2025-10-16	105.60	107.37	104.97	105.79	+0.03%	915,700
2025-10-15	104.30	108.15	103.82	105.76	+2.32%	1,847,400
2025-10-14	101.39	103.38	100.88	103.36	+1.16%	994,700
2025-10-13	103.14	103.75	102.17	102.17	+0.32%	1,610,800
2025-10-10	105.49	105.49	101.84	101.84	-2.96%	1,796,300
2025-10-09	105.64	106.12	104.51	104.95	-0.42%	1,076,700
2025-10-08	105.30	106.56	104.78	105.39	-0.47%	1,437,300
2025-10-07	106.69	106.83	105.15	105.89	-0.45%	1,161,600
2025-10-06	104.92	107.09	104.84	106.37	+1.50%	1,336,400
2025-10-03	103.77	106.35	103.42	104.80	+1.45%	1,766,000
2025-10-02	102.37	103.43	102.14	103.30	+1.02%	1,068,500
2025-10-01	101.76	103.26	101.16	102.26	+0.31%	1,375,500
2025-09-30	100.76	102.16	100.47	101.94	+1.58%	1,295,000
2025-09-29	101.57	101.79	99.71	100.35	-0.57%	1,961,000
2025-09-26	101.00	101.96	100.45	100.93	+0.13%	1,117,200
2025-09-25	100.58	102.13	100.38	100.80	-0.42%	1,287,500
2025-09-24	103.50	103.70	101.21	101.23	-2.75%	1,407,800
2025-09-23	103.96	104.74	103.36	104.09	-0.35%	1,611,300
2025-09-22	100.41	104.72	99.82	104.46	+4.58%	2,136,600
2025-09-19	99.34	100.66	98.49	99.89	+0.98%	3,124,200
2025-09-18	99.63	100.63	98.47	98.92	-0.56%	992,300
2025-09-17	100.63	101.64	99.39	99.48	-0.87%	1,489,200
2025-09-16	100.16	101.02	98.28	100.35	+0.53%	2,064,900
2025-09-15	96.27	100.49	96.07	99.82	+3.24%	1,870,800
2025-09-12	98.66	99.60	96.68	96.69	-2.17%	1,135,600
2025-09-11	97.60	99.14	97.52	98.83	+1.44%	1,812,200
2025-09-10	96.56	99.16	96.52	97.43	+0.79%	1,874,300
2025-09-09	92.24	96.80	92.12	96.67	+4.59%	1,857,800
2025-09-08	91.29	92.50	90.53	92.43	+0.27%	1,614,500
2025-09-05	92.27	93.53	91.31	92.18	+1.21%	1,071,100
2025-09-04	89.91	91.15	89.65	91.08	+1.41%	1,329,100
2025-09-03	88.94	90.00	87.80	89.81	+0.39%	2,038,800
2025-09-02	91.05	91.17	88.76	89.46	-3.11%	1,768,600
2025-08-29	92.04	92.43	91.50	92.33	+0.39%	1,108,800
2025-08-28	92.50	92.50	91.12	91.97	+0.11%	725,300
2025-08-27	91.71	92.35	91.45	91.87	+0.48%	868,300
2025-08-26	91.54	92.53	91.14	91.43	-0.39%	1,109,700
2025-08-25	93.85	94.00	91.76	91.79	-2.21%	999,100
2025-08-22	90.86	95.00	90.86	93.86	+3.66%	1,166,300
2025-08-21	90.84	91.29	89.74	90.55	-0.81%	921,900
2025-08-20	91.88	92.65	90.91	91.29	-0.29%	1,212,600
2025-08-19	90.90	91.96	90.51	91.56	+0.90%	1,270,200
2025-08-18	91.65	91.75	90.22	90.74	-0.82%	926,000
2025-08-15	91.67	92.14	91.18	91.49	+0.10%	1,159,800
2025-08-14	93.27	93.29	90.41	91.40	-2.73%	1,508,800
2025-08-13	92.47	94.45	92.38	93.97	+1.98%	1,783,100
2025-08-12	90.20	92.22	89.83	92.15	+2.90%	1,217,500
2025-08-11	89.76	90.48	89.10	89.55	-0.68%	1,306,800

Most recent 250 sessions, newest first.

Seasonal returns

Best month historically: Apr (+7.42%). Worst month: Dec (-3.89%). Based on 5 years of daily data (2022–2026).

Jan+3.98%
Feb+5.53%
Mar-3.11%
Apr+7.42%
May+2.02%
Jun+5.24%
Jul+4.83%
Aug+1.44%
Sep+4.24%
Oct+3.93%
Nov+0.27%
Dec-3.89%

FAQ · from the current price data · as of 2026-08-07

Quick answers

What is Iron Mountain Incorporated's (IRM) latest close?

121.15 on 2026-08-07, from the Closelook data lake's daily price record.

What is IRM's 52-week high and low?

134.68 high and 77.77 low over the trailing 52 weeks, as of 2026-08-07.

What is Iron Mountain Incorporated's strongest and weakest month historically?

Historically, IRM's strongest calendar month has been Apr (average +7.42%) and its weakest Dec (average -3.89%), based on 5 years of daily data (2022–2026).

How many years of seasonality does this cover?

5 years (2022–2026), computed from 965 daily bars in the Closelook data lake.