Allegro MicroSystems, Inc. (ALGM) NASDAQ

Currency In USD

ALGM Historical Return

If you invested $1000 in Allegro MicroSystems, Inc. (ALGM) since IPO date, it would be worth $2,051.41 as of September 12, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,090.72, while $1000 invested 1 year ago would be worth $1,218.46. This corresponds to total returns of 105.14%, 9.07%, 21.85%, respectively, with annualized returns of 13.01%, 1.75%, 21.85%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

ALGM Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
September 11, 2026	35.86	36.31	36.31	36.8	35.56	1.85M
September 10, 2026	34.72	35.27	35.27	35.83	34.55	1.59M
September 09, 2026	35.99	35.84	35.84	36.89	35.76	1.87M
September 08, 2026	37.54	36.47	36.47	37.67	36.25	2.62M
September 04, 2026	36.18	36.61	36.61	37.28	35.98	2.51M
September 03, 2026	34.9	35.56	35.56	35.77	34.02	2.46M
September 02, 2026	35.67	35.47	35.47	36.41	35.03	1.61M
September 01, 2026	35.39	35.47	35.47	35.76	34.5	1.68M
August 31, 2026	36	36.25	36.25	36.5	35.41	2.28M
August 28, 2026	37.51	35.77	35.77	37.51	35.56	2.14M
August 27, 2026	37.8	37.59	37.59	38.26	36.85	1.68M
August 26, 2026	37.51	36.89	36.89	38.15	36.5	1.87M
August 25, 2026	36.83	37.44	37.44	37.45	36.44	2.78M
August 24, 2026	36.15	35.63	35.63	36.59	35.34	2.13M
August 21, 2026	37.63	37.16	37.16	37.98	36.49	2.34M
August 20, 2026	38.21	37.19	37.19	38.79	36.61	2.22M
August 19, 2026	40	38.35	38.35	40.3	37.49	2.5M
August 18, 2026	42.54	39.39	39.39	43.05	39.34	2.57M
August 17, 2026	45.32	44.25	44.25	46.58	44.03	1.53M
August 14, 2026	44.06	44.39	44.39	45.01	43.53	981,143
August 13, 2026	42.78	44.13	44.13	45.67	42.59	2.16M
August 12, 2026	44.57	42.47	42.47	44.57	42.36	1.09M
August 11, 2026	43.47	42.52	42.52	44.05	42.31	1.13M
August 10, 2026	44.39	42.46	42.46	44.87	42.37	1.73M
August 07, 2026	43.8	43.77	43.77	44.5	42.72	1.61M
August 06, 2026	40.84	42.46	42.46	44.05	40.2	1.83M
August 05, 2026	42.02	41.8	41.8	43.56	41.61	1.73M
August 04, 2026	44	42.85	42.85	44.49	42.19	2.73M
August 03, 2026	39.69	41.52	41.52	42.1	38.6	2.51M
July 31, 2026	42.27	41.5	41.5	43.35	40.76	3.76M
July 30, 2026	42.31	41.45	41.45	42.92	38.15	6.15M
July 29, 2026	43.7	42.21	42.21	44.94	41.77	3.31M
July 28, 2026	43.5	44.52	44.52	44.73	42.01	2.32M
July 27, 2026	46.96	46.8	46.8	47.62	44.01	2.38M
July 23, 2026	49.12	50.07	50.07	51.88	49.02	3.11M
July 22, 2026	47.84	49.87	49.87	50.65	47.84	1.19M
July 21, 2026	49.25	49.35	49.35	49.96	47.7	1.29M
July 20, 2026	46.29	46.36	46.36	48.5	46	1.93M
July 17, 2026	44.28	46.48	46.48	48.07	44.13	1.59M
July 16, 2026	48	47.12	47.12	48.86	46.46	1.99M
July 15, 2026	53.1	50.03	50.03	53.35	47.96	2.02M
July 14, 2026	54.21	52.32	52.32	54.4	51.19	1.84M
July 13, 2026	52.21	50.86	50.86	52.63	50.16	1.56M
July 10, 2026	55.99	54.87	54.87	56	53.48	2.29M
July 09, 2026	54.4	57.38	57.38	58.48	54.4	4.39M
July 08, 2026	51.06	51.47	51.47	52.52	49.61	3.43M
July 07, 2026	52.97	51.55	51.55	53.76	50.47	3.84M
July 06, 2026	57.07	56.56	56.56	62	56	4.5M
July 02, 2026	63.38	55.49	55.49	63.78	52.88	4.68M
July 01, 2026	66.85	63.2	63.2	67.9	63.16	3.79M
June 30, 2026	66.1	69.62	69.62	71.77	64.8	4.3M
June 29, 2026	58.02	66.37	66.37	67.41	57.3	6.95M
June 26, 2026	57.34	57.89	57.89	60.39	56.5	12.07M
June 25, 2026	58.41	60.16	60.16	60.8	55.65	3.6M
June 24, 2026	55.73	55.42	55.42	56.79	54.18	2.61M
June 23, 2026	56.8	55.52	55.52	58.46	55.49	3.41M
June 22, 2026	61.68	61.58	61.58	61.68	58.13	3.46M
June 18, 2026	57.2	59	59	59.56	56.29	4.7M
June 17, 2026	55.44	53.98	53.98	57.88	53.25	4.04M
June 16, 2026	54.91	53.29	53.29	58.13	53.26	3.52M