American Superconductor Corporation (AMSC) NASDAQ

Currency In USD

AMSC Historical Return

If you invested $1000 in American Superconductor Corporation (AMSC) 10 years ago, it would be worth $3,781.28 as of July 12, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $2,229.39, while $1000 invested 1 year ago would be worth $883.32. This corresponds to total returns of 278.13%, 122.94%, -11.67%, respectively, with annualized returns of 14.22%, 17.38%, -11.67%.

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

AMSC Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
July 10, 2026	37.17	35.96	35.96	37.72	35.76	561,274
July 09, 2026	37.66	37.17	37.17	37.81	36.49	667,086
July 08, 2026	34.62	36	36	36.17	34.18	829,541
July 07, 2026	37.02	35.55	35.55	37.2	34.5	734,335
July 06, 2026	37.61	38.13	38.13	39.11	37.34	845,812
July 02, 2026	40.1	37.11	37.11	40.45	36.28	877,106
July 01, 2026	40.64	39.92	39.92	41.49	39.6	708,674
June 30, 2026	39.89	41.51	41.51	41.67	39.51	704,817
June 29, 2026	40.24	39.83	39.83	41.4	37.81	815,199
June 26, 2026	38.96	39.73	39.73	41.19	38.02	2.16M
June 25, 2026	41.93	40.28	40.28	42.84	40.07	960,794
June 24, 2026	42.13	40.85	40.85	42.24	39.6	843,281
June 23, 2026	42.04	41.63	41.63	44.11	41.6	765,998
June 22, 2026	43.72	45.33	45.33	45.43	42.99	1.03M
June 18, 2026	41.49	43.4	43.4	43.49	40.44	1.12M
June 17, 2026	40.57	40.13	40.13	42.18	40.07	797,152
June 16, 2026	41.07	40.46	40.46	42.36	40.35	1.12M
June 15, 2026	42.06	41.07	41.07	42.98	40.52	923,046
June 12, 2026	39.51	40.02	40.02	40.62	38.71	805,860
June 11, 2026	37.44	39.51	39.51	39.54	36.71	1.83M
June 10, 2026	40.28	36.78	36.78	40.96	36.72	2.39M
June 09, 2026	43.66	40.53	40.53	44.76	38.92	1.55M
June 08, 2026	42.86	43.34	43.34	44.39	40.76	1.58M
June 05, 2026	45.34	42.34	42.34	45.95	41.2	1.81M
June 04, 2026	45.64	46.4	46.4	47.24	45.19	1.26M
June 03, 2026	51.08	46.67	46.67	51.25	46.26	1.46M
June 02, 2026	51.46	51.17	51.17	52.55	48.87	1.28M
June 01, 2026	49.47	51.15	51.15	51.99	48.77	1.13M
May 29, 2026	51.19	50.94	50.94	53.37	48.52	1.31M
May 28, 2026	50	51.33	51.33	51.37	45.46	3.43M
May 27, 2026	53.6	52.68	52.68	55.09	51.55	1.76M
May 26, 2026	54	53.12	53.12	54.4	51.28	1.17M
May 22, 2026	50.28	51.84	51.84	52.48	48.86	742,953
May 21, 2026	48.64	49.42	49.42	50.66	48.39	632,906
May 20, 2026	48.46	49.22	49.22	50.1	47.22	930,437
May 19, 2026	48.1	47.09	47.09	48.62	45.72	1.17M
May 18, 2026	54.86	50.15	50.15	55.11	48.52	1.26M
May 15, 2026	51.53	55.06	55.06	55.24	50.32	1.05M
May 14, 2026	55.73	54.7	54.7	55.78	52.58	1.2M
May 13, 2026	55.31	55.73	55.73	56.25	53	962,856
May 12, 2026	57.04	54.51	54.51	57.05	51.32	1.31M
May 11, 2026	55.1	58.72	58.72	60.18	54.81	1.74M
May 08, 2026	54.37	55.19	55.19	55.68	53.47	740,240
May 07, 2026	56.09	53.22	53.22	56.9	52.66	1.17M
May 06, 2026	55.59	57.07	57.07	57.18	53.71	1.07M
May 05, 2026	50.99	55.01	55.01	55.7	50.99	1.38M
May 04, 2026	52.51	50.3	50.3	53	48.53	1.07M
May 01, 2026	53.22	52.51	52.51	54.2	51.42	1.28M
April 30, 2026	49.23	53.54	53.54	53.65	48	1.85M
April 29, 2026	47.79	47.7	47.7	48.6	45.69	1.27M
April 28, 2026	47.91	47.5	47.5	49.49	45.57	1.76M
April 27, 2026	52.39	49.64	49.64	52.39	46.01	2.51M
April 24, 2026	48.14	49.48	49.48	50.78	45.5	2.3M
April 23, 2026	51.25	46.15	46.15	51.47	44.47	2.63M
April 22, 2026	43.4	48.15	48.15	48.23	43.4	2.38M
April 21, 2026	41.36	41.93	41.93	42.93	40.75	1.55M
April 20, 2026	39.37	40.73	40.73	40.84	38.81	690,083
April 17, 2026	39	39.72	39.72	40.75	38.13	1.05M
April 16, 2026	37.86	37.97	37.97	38.59	36.89	915,575
April 15, 2026	40	37.74	37.74	40.04	37.21	1.28M