Alkermes plc (ALKS) NASDAQ

Currency In USD

ALKS Historical Return

If you invested $1000 in Alkermes plc (ALKS) 10 years ago, it would be worth $962.92 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 $1,488.18, while $1000 invested 1 year ago would be worth $1,704.49. This corresponds to total returns of -3.71%, 48.82%, 70.45%, respectively, with annualized returns of -0.38%, 8.28%, 70.45%.

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

ALKS Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
September 11, 2026	46.75	45.97	45.97	46.75	45.73	1.22M
September 10, 2026	44.98	46.11	46.11	46.11	44.75	1.19M
September 09, 2026	45.24	45.4	45.4	45.61	44.72	1.37M
September 08, 2026	45.2	45.49	45.49	46.53	44.63	1.35M
September 04, 2026	46.14	46.1	46.1	46.93	45.8	1.05M
September 03, 2026	48.01	46.88	46.88	48.29	46.71	898,117
September 02, 2026	47.7	47.72	47.72	48.74	46.68	1.42M
September 01, 2026	47	47.2	47.2	47.34	46.65	1.19M
August 31, 2026	47.25	46.99	46.99	47.56	46.46	1.43M
August 28, 2026	48.82	47.41	47.41	48.82	47.25	1.43M
August 27, 2026	48.72	48.9	48.9	49.33	48.1	2.05M
August 26, 2026	49.23	49.16	49.16	49.35	48.46	660,775
August 25, 2026	48.94	49.21	49.21	49.58	48.87	1.04M
August 24, 2026	48.05	48.87	48.87	49.03	47.64	1.3M
August 21, 2026	48.05	48.33	48.33	48.67	47.33	939,633
August 20, 2026	49.37	48.02	48.02	49.86	47.93	1.56M
August 19, 2026	51.26	50.18	50.18	51.29	50.08	1.54M
August 18, 2026	50.1	49.48	49.48	50.42	49.46	970,911
August 17, 2026	48.9	49.85	49.85	50.08	48.62	763,839
August 14, 2026	49.37	49.06	49.06	50.02	48.65	1.27M
August 13, 2026	51.66	49.45	49.45	51.66	49.21	1.55M
August 12, 2026	49.22	50.28	50.28	50.53	48.5	1.32M
August 11, 2026	49.92	49.21	49.21	50.14	48.97	1.37M
August 10, 2026	48.39	49.4	49.4	49.81	48.39	1.51M
August 07, 2026	49.05	49.17	49.17	49.9	48.67	972,985
August 06, 2026	49.61	48.37	48.37	50.4	48.21	1.57M
August 05, 2026	50.2	49.61	49.61	50.85	49.23	1.71M
August 04, 2026	49.73	49.67	49.67	50.36	49	1.34M
August 03, 2026	48.58	49.53	49.53	50.71	48.19	1.84M
July 31, 2026	49.63	48.99	48.99	49.83	48.52	1.62M
July 30, 2026	47.85	50.03	50.03	50.34	47.71	2.27M
July 29, 2026	50.5	48.34	48.34	50.72	47.66	4.15M
July 28, 2026	50.43	50.5	50.5	52.51	49.33	2.88M
July 27, 2026	52.87	52.73	52.73	53.85	52.48	1.4M
July 24, 2026	53.38	52.89	52.89	53.88	52.48	1.29M
July 23, 2026	52.13	52.97	52.97	53.54	51.69	1.49M
July 22, 2026	52.55	52.58	52.58	53.27	52.35	1.84M
July 21, 2026	51.58	52.85	52.85	53.04	51.25	1.18M
July 20, 2026	52.96	51.72	51.72	53.24	51.7	941,817
July 17, 2026	51.06	52.72	52.72	52.79	50.94	1.71M
July 16, 2026	51.77	51.94	51.94	53.52	51.55	1.84M
July 15, 2026	51.64	51.98	51.98	52.2	50.49	1.56M
July 14, 2026	51.98	51.6	51.6	52.17	50.66	1.78M
July 13, 2026	51.07	51.87	51.87	52	50.54	1.58M
July 10, 2026	53.36	51.94	51.94	53.38	51.86	1.69M
July 09, 2026	54.46	53.78	53.78	54.9	53.36	1.63M
July 08, 2026	54.37	54.29	54.29	54.69	53.68	1.71M
July 07, 2026	55.37	55.22	55.22	55.67	53.63	1.72M
July 06, 2026	54.03	55.14	55.14	55.37	53.41	1.74M
July 02, 2026	52.5	54.58	54.58	54.69	51.72	1.65M
July 01, 2026	52.33	51.72	51.72	52.7	50.96	1.64M
June 30, 2026	52.78	52.4	52.4	53.35	51.85	2.94M
June 29, 2026	53.94	52.53	52.53	54.45	52.23	2.94M
June 26, 2026	52.87	55.08	55.08	55.28	52.39	7.48M
June 25, 2026	50.7	52.83	52.83	53.69	50.01	3.25M
June 24, 2026	48.94	50.45	50.45	51.73	48.88	3.73M
June 23, 2026	46	48.07	48.07	48.32	45.47	2.45M
June 22, 2026	45.4	46.02	46.02	46.63	45.01	3.23M
June 18, 2026	45.25	44.99	44.99	45.76	43.98	7.73M
June 17, 2026	44.19	44.51	44.51	45.41	44.03	1.42M