Allegro MicroSystems, Inc. (ALGM)

NASDAQ: ALGM · Real-Time Price · USD

36.61

+1.05 (2.95%)

At close: Sep 4, 2026, 4:00 PM EDT

35.12

-1.49 (-4.07%)

After-hours: Sep 4, 2026, 7:41 PM EDT

Allegro MicroSystems Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Sep 4, 2026	36.18	37.28	35.98	36.61	36.61	2.95%	2,508,348
Sep 3, 2026	34.90	35.77	34.02	35.56	35.56	0.25%	2,463,303
Sep 2, 2026	35.67	36.41	35.03	35.47	35.47	-	1,606,884
Sep 1, 2026	35.39	35.76	34.50	35.47	35.47	-2.15%	1,624,743
Aug 31, 2026	36.00	36.50	35.41	36.25	36.25	1.34%	2,280,504
Aug 28, 2026	37.51	37.51	35.56	35.77	35.77	-4.84%	2,144,080
Aug 27, 2026	37.80	38.26	36.85	37.59	37.59	1.90%	1,678,099
Aug 26, 2026	37.51	38.15	36.50	36.89	36.89	-1.47%	1,865,248
Aug 25, 2026	36.83	37.45	36.44	37.44	37.44	5.08%	2,336,727
Aug 24, 2026	36.15	36.59	35.34	35.63	35.63	-4.12%	2,126,637
Aug 21, 2026	37.63	37.98	36.49	37.16	37.16	-0.08%	2,341,394
Aug 20, 2026	38.21	38.79	36.61	37.19	37.19	-3.02%	2,217,154
Aug 19, 2026	40.00	40.30	37.49	38.35	38.35	-2.64%	2,493,149
Aug 18, 2026	42.54	43.05	39.34	39.39	39.39	-10.98%	2,544,844
Aug 17, 2026	45.32	46.58	44.03	44.25	44.25	-0.32%	1,530,595
Aug 14, 2026	44.06	45.01	43.53	44.39	44.39	0.59%	981,059
Aug 13, 2026	42.78	45.67	42.59	44.13	44.13	3.91%	2,163,221
Aug 12, 2026	44.57	44.57	42.36	42.47	42.47	-0.12%	1,087,593
Aug 11, 2026	43.47	44.05	42.31	42.52	42.52	0.14%	1,126,203
Aug 10, 2026	44.39	44.87	42.37	42.46	42.46	-2.99%	1,731,555
Aug 7, 2026	43.80	44.50	42.72	43.77	43.77	3.10%	1,602,846
Aug 6, 2026	40.84	44.05	40.20	42.46	42.46	1.57%	1,827,801
Aug 5, 2026	42.02	43.56	41.61	41.80	41.80	-2.45%	1,726,734
Aug 4, 2026	44.00	44.49	42.19	42.85	42.85	3.20%	2,725,149
Aug 3, 2026	39.69	42.10	38.60	41.52	41.52	0.05%	2,505,214
Jul 31, 2026	42.27	43.35	40.76	41.50	41.50	0.12%	3,762,579
Jul 30, 2026	42.31	42.92	38.15	41.45	41.45	-1.80%	6,150,972
Jul 29, 2026	43.70	44.94	41.77	42.21	42.21	-5.19%	3,308,374
Jul 28, 2026	43.50	44.73	42.01	44.52	44.52	-4.87%	2,318,274
Jul 27, 2026	46.96	47.62	44.01	46.80	46.80	1.67%	2,383,211
Jul 24, 2026	50.00	50.00	45.57	46.03	46.03	-8.07%	1,573,765
Jul 23, 2026	49.12	51.88	49.02	50.07	50.07	0.40%	3,113,708
Jul 22, 2026	47.84	50.65	47.84	49.87	49.87	1.05%	1,187,660
Jul 21, 2026	49.25	49.96	47.70	49.35	49.35	6.45%	1,291,773
Jul 20, 2026	46.29	48.50	46.00	46.36	46.36	-0.26%	1,927,595
Jul 17, 2026	44.28	48.07	44.13	46.48	46.48	-1.36%	1,587,987
Jul 16, 2026	48.00	48.86	46.46	47.12	47.12	-5.82%	1,989,817
Jul 15, 2026	53.10	53.35	47.96	50.03	50.03	-4.38%	2,014,420
Jul 14, 2026	54.21	54.40	51.19	52.32	52.32	2.88%	1,837,292
Jul 13, 2026	52.21	52.63	50.16	50.86	50.86	-7.32%	1,558,758
Jul 10, 2026	55.99	56.00	53.48	54.87	54.87	-4.37%	2,285,606
Jul 9, 2026	54.40	58.48	54.40	57.38	57.38	11.49%	4,391,712
Jul 8, 2026	51.06	52.52	49.61	51.47	51.47	-0.16%	3,427,741
Jul 7, 2026	52.97	53.76	50.47	51.55	51.55	-8.86%	3,846,176
Jul 6, 2026	57.07	62.00	56.00	56.56	56.56	1.94%	4,571,607
Jul 2, 2026	63.38	63.78	52.88	55.49	55.49	-12.21%	4,702,925
Jul 1, 2026	66.85	67.90	63.16	63.20	63.20	-9.22%	3,843,550
Jun 30, 2026	66.10	71.77	64.80	69.62	69.62	4.90%	4,379,516
Jun 29, 2026	58.02	67.41	57.30	66.37	66.37	14.65%	6,986,540
Jun 26, 2026	57.34	60.39	56.50	57.89	57.89	-3.77%	12,165,472