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 $766.98 as of October 22, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,409.4, while $1000 invested 1 year ago would be worth $1,398.52. This corresponds to total returns of -23.3%, 40.94%, 39.85%, respectively, with annualized returns of -2.62%, 7.1%, 39.85%.

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
October 21, 2026	44.12	43.48	43.48	44.58	43.44	1.78M
October 20, 2026	43.38	44.11	44.11	45.2	43.21	2.15M
October 19, 2026	41.46	42.97	42.97	43.64	41.35	2.71M
October 16, 2026	40.18	41.22	41.22	41.57	39.71	3.26M
October 15, 2026	39.74	40.1	40.1	40.74	39.42	1.94M
October 14, 2026	39.59	39.08	39.08	40.65	38.98	1.55M
October 13, 2026	40.26	39.73	39.73	40.35	39.67	1.07M
October 12, 2026	40.67	40.26	40.26	40.87	40	2.24M
October 09, 2026	40.18	40.61	40.61	40.87	39.99	1.63M
October 08, 2026	41.1	40.11	40.11	41.26	39.1	3.24M
October 07, 2026	41.28	41.45	41.45	42.06	41.17	1.76M
October 06, 2026	42.64	41.65	41.65	42.71	41.24	1.52M
October 05, 2026	42.07	42.76	42.76	43.22	41.67	2.97M
October 02, 2026	41.03	41.75	41.75	41.96	40.32	2.25M
October 01, 2026	40	40.54	40.54	41.41	39.99	2.28M
September 30, 2026	40.94	40.52	40.52	40.94	39.92	2.08M
September 29, 2026	39.84	40.8	40.8	40.9	39.84	2.67M
September 28, 2026	40.71	40.15	40.15	40.97	40.04	2.08M
September 25, 2026	40.94	40.85	40.85	41.12	40.49	2.29M
September 24, 2026	42.55	40.79	40.79	42.55	40.59	2.84M
September 23, 2026	43.2	42.13	42.13	43.62	41.23	2.42M
September 22, 2026	44.39	43.29	43.29	44.53	43.08	2.29M
September 21, 2026	44.27	44.18	44.18	44.79	43.11	3.56M
September 18, 2026	46.51	43.39	43.39	46.53	43.27	6.74M
September 17, 2026	47.1	46.71	46.71	47.4	46.41	1.4M
September 16, 2026	46.64	46.07	46.07	47.26	45.79	1.74M
September 15, 2026	45.73	46.03	46.03	46.14	44.63	1.93M
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