Allegro MicroSystems, Inc. (ALGM)

NASDAQ: ALGM · Real-Time Price · USD

30.13

-1.58 (-4.98%)

At close: Nov 13, 2026, 4:00 PM EST

29.97

-0.16 (-0.53%)

After-hours: Nov 13, 2026, 7:30 PM EST

Allegro MicroSystems Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Nov 13, 2026	31.72	31.75	29.13	30.13	30.13	-4.98%	1,302,403
Nov 12, 2026	30.75	32.44	30.43	31.71	31.71	-1.25%	2,097,001
Nov 11, 2026	32.59	32.69	31.12	32.11	32.11	4.59%	2,009,457
Nov 10, 2026	30.53	31.78	29.97	30.70	30.70	-0.71%	2,255,088
Nov 9, 2026	28.97	31.29	28.60	30.92	30.92	9.76%	2,570,432
Nov 6, 2026	29.18	29.18	27.35	28.17	28.17	5.11%	2,557,210
Nov 5, 2026	29.65	29.86	25.95	26.80	26.80	-14.24%	6,885,239
Nov 4, 2026	33.50	33.85	30.48	31.25	31.25	-7.16%	3,357,638
Nov 3, 2026	33.27	34.85	32.98	33.66	33.66	4.70%	2,991,738
Nov 2, 2026	31.33	32.91	30.85	32.15	32.15	5.31%	3,564,705
Oct 30, 2026	30.71	31.65	30.01	30.53	30.53	-7.57%	5,001,966
Oct 29, 2026	33.55	34.00	31.03	33.03	33.03	-6.62%	5,976,175
Oct 28, 2026	34.12	35.62	33.46	35.37	35.37	4.09%	6,237,214
Oct 27, 2026	32.82	34.61	32.60	33.98	33.98	5.14%	3,486,630
Oct 26, 2026	31.85	32.69	31.04	32.32	32.32	2.67%	4,027,883
Oct 23, 2026	31.42	31.87	30.63	31.48	31.48	-0.66%	5,710,914
Oct 22, 2026	33.42	33.58	31.24	31.69	31.69	-8.17%	2,458,067
Oct 21, 2026	34.85	35.21	34.08	34.51	34.51	1.77%	2,539,446
Oct 20, 2026	32.46	34.33	32.12	33.91	33.91	2.23%	2,427,944
Oct 19, 2026	32.88	33.60	32.06	33.17	33.17	4.90%	2,783,493
Oct 16, 2026	31.80	32.96	31.43	31.62	31.62	-2.29%	2,595,595
Oct 15, 2026	31.08	32.54	30.51	32.36	32.36	0.43%	3,191,301
Oct 14, 2026	32.88	33.49	31.72	32.22	32.22	-4.25%	2,410,263
Oct 13, 2026	32.80	33.72	32.41	33.65	33.65	-0.41%	2,985,368
Oct 12, 2026	35.00	35.00	33.70	33.79	33.79	-5.00%	2,723,857
Oct 9, 2026	36.83	36.83	35.07	35.57	35.57	-1.93%	2,551,166
Oct 8, 2026	36.56	37.01	34.95	36.27	36.27	-2.05%	2,574,319
Oct 7, 2026	37.70	37.95	36.79	37.03	37.03	-4.46%	2,410,837
Oct 6, 2026	38.90	39.29	37.98	38.76	38.76	0.78%	3,286,400
Oct 5, 2026	39.44	39.71	37.85	38.46	38.46	-2.71%	3,483,630
Oct 2, 2026	38.15	40.03	38.15	39.53	39.53	8.66%	5,907,088
Oct 1, 2026	36.35	36.86	35.68	36.38	36.38	0.08%	2,794,366
Sep 30, 2026	36.64	37.05	36.15	36.35	36.35	-0.68%	2,098,851
Sep 29, 2026	37.86	38.00	36.21	36.60	36.60	-0.92%	2,414,532
Sep 28, 2026	36.74	37.45	35.74	36.94	36.94	0.49%	2,748,225
Sep 25, 2026	35.28	36.89	35.13	36.76	36.76	4.64%	2,555,484
Sep 24, 2026	34.32	35.20	33.95	35.13	35.13	0.06%	2,463,218
Sep 23, 2026	35.48	35.95	34.85	35.11	35.11	-1.13%	2,521,294
Sep 22, 2026	35.43	36.38	35.13	35.51	35.51	0.03%	4,595,169
Sep 21, 2026	35.01	35.89	33.85	35.50	35.50	4.11%	2,565,771
Sep 18, 2026	33.57	34.18	33.32	34.10	34.10	2.99%	3,178,236
Sep 17, 2026	34.44	34.53	33.00	33.11	33.11	0.27%	1,961,248
Sep 16, 2026	34.12	34.35	32.67	33.02	33.02	-0.72%	1,704,319
Sep 15, 2026	34.42	34.49	32.78	33.26	33.26	-1.74%	2,258,957
Sep 14, 2026	34.03	35.14	33.60	33.85	33.85	-6.77%	2,065,762
Sep 11, 2026	35.86	36.80	35.56	36.31	36.31	2.95%	1,849,049
Sep 10, 2026	34.72	35.83	34.55	35.27	35.27	-1.59%	1,592,903
Sep 9, 2026	35.99	36.89	35.76	35.84	35.84	-1.73%	1,868,359
Sep 8, 2026	37.54	37.68	36.25	36.47	36.47	-0.38%	2,618,464
Sep 4, 2026	36.18	37.28	35.98	36.61	36.61	2.95%	2,508,920