Allegro MicroSystems, Inc. (ALGM)

NASDAQ: ALGM · Real-Time Price · USD

49.35

+2.99 (6.45%)

At close: Jul 21, 2026, 4:00 PM EDT

48.00

-1.35 (-2.74%)

Pre-market: Jul 22, 2026, 4:24 AM EDT

Allegro MicroSystems Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
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
Jun 25, 2026	58.41	60.80	55.65	60.16	60.16	8.55%	3,606,003
Jun 24, 2026	55.73	56.79	54.18	55.42	55.42	-0.18%	2,614,879
Jun 23, 2026	56.80	58.46	55.49	55.52	55.52	-9.84%	3,406,711
Jun 22, 2026	61.68	61.68	58.13	61.58	61.58	4.37%	3,463,977
Jun 18, 2026	57.20	59.56	56.29	59.00	59.00	9.30%	4,705,453
Jun 17, 2026	55.44	57.88	53.25	53.98	53.98	1.29%	4,039,724
Jun 16, 2026	54.91	58.13	53.26	53.29	53.29	-3.11%	3,534,583
Jun 15, 2026	52.81	55.45	52.53	55.00	55.00	9.12%	2,663,057
Jun 12, 2026	47.96	50.46	47.47	50.41	50.41	5.10%	1,621,894
Jun 11, 2026	45.88	47.98	45.45	47.96	47.96	7.68%	1,424,764
Jun 10, 2026	45.68	47.05	44.00	44.54	44.54	-4.48%	1,598,880
Jun 9, 2026	49.22	50.00	43.27	46.63	46.63	-3.24%	1,810,984
Jun 8, 2026	47.87	48.24	46.43	48.19	48.19	3.88%	2,070,514
Jun 5, 2026	51.50	51.75	46.10	46.39	46.39	-13.48%	2,137,386
Jun 4, 2026	51.02	54.40	50.00	53.62	53.62	0.96%	2,090,763
Jun 3, 2026	50.33	54.10	49.02	53.11	53.11	5.52%	2,881,801
Jun 2, 2026	48.64	50.74	48.40	50.33	50.33	6.79%	2,339,427
Jun 1, 2026	47.23	47.59	46.01	47.13	47.13	-1.55%	2,144,396
May 29, 2026	51.26	52.80	47.36	47.87	47.87	-6.32%	3,650,881
May 28, 2026	49.57	51.23	47.78	51.10	51.10	4.29%	2,037,904
May 27, 2026	51.59	51.66	48.75	49.00	49.00	-3.47%	1,994,599
May 26, 2026	47.80	51.35	47.15	50.76	50.76	10.47%	3,013,857
May 22, 2026	45.38	46.15	45.11	45.95	45.95	2.80%	1,943,925
May 21, 2026	43.74	45.14	43.60	44.70	44.70	0.83%	1,786,186
May 20, 2026	42.27	44.57	41.25	44.33	44.33	6.43%	2,462,241
May 19, 2026	40.10	41.84	39.57	41.65	41.65	0.73%	2,005,342
May 18, 2026	42.85	43.75	40.67	41.35	41.35	-4.06%	2,378,607
May 15, 2026	43.58	43.79	42.34	43.10	43.10	-4.16%	3,526,125
May 14, 2026	46.06	46.14	44.84	44.97	44.97	-2.18%	1,989,024
May 13, 2026	47.66	47.73	45.44	45.97	45.97	0.22%	2,104,970
May 12, 2026	47.26	47.62	43.38	45.87	45.87	-5.21%	3,507,461
May 11, 2026	48.87	49.02	46.15	48.39	48.39	-1.14%	3,466,848
May 8, 2026	49.17	49.17	47.26	48.95	48.95	2.13%	2,540,502