Alkermes Plc (ALKS) — Price History

As of 2026-09-02 — refreshed nightly from the Closelook data lake. Diary readings, not advice.

Daily prices

Date	Open	High	Low	Close	Chg %	Volume
2026-09-02	47.70	48.73	46.68	47.72	+1.10%	1,417,728
2026-09-01	47.00	47.34	46.65	47.20	+0.45%	1,351,261
2026-08-31	47.25	47.56	46.46	46.99	-0.89%	1,440,889
2026-08-28	48.82	48.82	47.25	47.41	-3.05%	1,429,292
2026-08-27	48.72	49.33	48.10	48.90	-0.53%	2,119,400
2026-08-26	49.23	49.35	48.46	49.16	-0.10%	660,900
2026-08-25	48.94	49.58	48.87	49.21	+0.70%	1,127,442
2026-08-24	48.05	49.03	47.64	48.87	+1.12%	1,296,669
2026-08-21	48.05	48.67	47.33	48.33	+0.65%	939,600
2026-08-20	49.37	49.86	47.93	48.02	-4.30%	1,635,200
2026-08-19	51.26	51.29	50.08	50.18	+1.41%	1,544,200
2026-08-18	50.10	50.42	49.46	49.48	-0.74%	970,900
2026-08-17	48.90	50.08	48.62	49.85	+1.61%	763,800
2026-08-14	49.37	50.02	48.65	49.06	-0.79%	1,267,800
2026-08-13	51.66	51.66	49.21	49.45	-1.65%	1,546,600
2026-08-12	49.22	50.53	48.50	50.28	+2.17%	1,315,600
2026-08-11	49.92	50.14	48.97	49.21	-0.38%	1,373,600
2026-08-10	48.39	49.81	48.39	49.40	+0.47%	1,511,300
2026-08-07	49.05	49.90	48.67	49.17	+1.65%	1,111,000
2026-08-06	49.61	50.40	48.21	48.37	-2.50%	1,569,100
2026-08-05	50.20	50.85	49.23	49.61	-0.12%	1,706,800
2026-08-04	49.73	50.36	49.00	49.67	+0.28%	1,430,800
2026-08-03	48.58	50.71	48.19	49.53	+1.10%	1,835,700
2026-07-31	49.63	49.83	48.52	48.99	-2.08%	1,624,500
2026-07-30	47.85	50.34	47.71	50.03	+3.50%	2,303,300
2026-07-29	50.50	50.72	47.66	48.34	-4.28%	4,149,600
2026-07-28	50.43	52.51	49.33	50.50	-4.23%	2,875,900
2026-07-27	52.87	53.85	52.48	52.73	-0.30%	1,402,700
2026-07-24	53.38	53.88	52.48	52.89	-0.15%	1,288,500
2026-07-23	52.13	53.54	51.69	52.97	+0.74%	1,488,300
2026-07-22	52.55	53.27	52.35	52.58	-0.51%	1,837,100
2026-07-21	51.58	53.04	51.25	52.85	+2.18%	1,179,200
2026-07-20	52.96	53.24	51.70	51.72	-1.90%	941,800
2026-07-17	51.06	52.79	50.94	52.72	+1.50%	1,713,700
2026-07-16	51.77	53.52	51.55	51.94	-0.08%	1,843,700
2026-07-15	51.64	52.20	50.49	51.98	+0.74%	1,556,300
2026-07-14	51.98	52.17	50.66	51.60	-0.52%	1,776,600
2026-07-13	51.07	52.00	50.54	51.87	-0.13%	1,583,800
2026-07-10	53.36	53.38	51.86	51.94	-3.42%	1,691,400
2026-07-09	54.46	54.90	53.36	53.78	-0.94%	1,630,500
2026-07-08	54.37	54.69	53.68	54.29	-1.68%	1,706,000
2026-07-07	55.37	55.67	53.63	55.22	+0.15%	1,719,300
2026-07-06	54.03	55.37	53.41	55.14	+1.03%	1,747,200
2026-07-02	52.50	54.69	51.72	54.58	+5.53%	1,653,700
2026-07-01	52.33	52.70	50.96	51.72	-1.30%	1,638,400
2026-06-30	52.78	53.35	51.85	52.40	-0.25%	2,958,500
2026-06-29	53.94	54.45	52.23	52.53	-4.63%	2,940,700
2026-06-26	52.87	55.28	52.39	55.08	+4.26%	7,563,400
2026-06-25	50.70	53.69	50.01	52.83	+4.72%	3,249,300
2026-06-24	48.94	51.73	48.88	50.45	+4.95%	3,726,600
2026-06-23	46.00	48.32	45.47	48.07	+4.45%	2,451,700
2026-06-22	45.40	46.63	45.01	46.02	+2.29%	3,227,500
2026-06-18	45.25	45.76	43.98	44.99	+1.08%	7,751,300
2026-06-17	44.19	45.41	44.03	44.51	+0.95%	1,417,800
2026-06-16	44.58	44.76	43.43	44.09	-0.61%	1,420,900
2026-06-15	43.87	44.41	43.34	44.36	+0.18%	1,822,100
2026-06-12	45.10	45.71	44.22	44.28	-1.42%	1,523,000
2026-06-11	44.09	45.76	44.02	44.92	+2.46%	2,261,100
2026-06-10	44.37	45.38	43.79	43.84	-1.02%	1,659,600
2026-06-09	43.35	44.93	43.03	44.29	+4.33%	2,533,300
2026-06-08	42.77	43.78	42.19	42.45	-0.82%	1,292,000
2026-06-05	43.38	43.69	42.55	42.80	-1.34%	1,312,000
2026-06-04	43.05	44.57	43.05	43.38	+1.45%	2,307,200
2026-06-03	41.32	42.87	40.62	42.76	+3.48%	2,000,500
2026-06-02	41.61	41.94	40.83	41.32	-2.25%	2,146,000
2026-06-01	42.19	42.81	41.37	42.27	+0.19%	2,406,100
2026-05-29	40.00	42.83	39.64	42.19	+5.63%	4,269,400
2026-05-28	38.00	40.79	37.80	39.94	+4.86%	2,913,200
2026-05-27	37.26	38.12	37.26	38.09	+1.98%	2,246,900
2026-05-26	36.80	37.50	36.49	37.35	+1.49%	1,122,900
2026-05-22	36.91	37.26	36.58	36.80	-0.41%	907,800
2026-05-21	36.64	37.50	36.25	36.95	-0.08%	1,692,600
2026-05-20	37.21	37.94	36.88	36.98	-0.05%	1,817,900
2026-05-19	37.06	37.35	36.31	37.00	-0.51%	2,154,200
2026-05-18	38.02	38.02	36.98	37.19	-0.77%	1,571,900
2026-05-15	38.25	38.58	37.36	37.48	-2.29%	1,315,700
2026-05-14	38.85	39.12	38.21	38.36	-1.41%	1,740,000
2026-05-13	38.50	39.56	38.01	38.91	+1.62%	3,250,700
2026-05-12	36.00	38.46	35.51	38.29	+7.95%	4,026,500
2026-05-11	35.22	35.90	35.21	35.47	+1.37%	2,323,500
2026-05-08	35.77	35.93	34.87	34.99	-1.16%	2,616,400
2026-05-07	35.32	36.32	35.25	35.40	+0.23%	2,094,200
2026-05-06	36.31	36.60	34.93	35.32	-2.57%	2,960,700
2026-05-05	35.25	36.56	34.07	36.25	+6.09%	2,614,300
2026-05-04	33.20	34.49	33.20	34.17	+2.37%	2,860,300
2026-05-01	33.42	33.90	33.12	33.38	-0.98%	1,193,200
2026-04-30	33.89	34.40	33.58	33.71	+0.00%	1,652,300
2026-04-29	33.76	34.30	33.50	33.71	-1.26%	2,732,100
2026-04-28	33.98	34.45	33.72	34.14	+1.22%	1,734,800
2026-04-27	33.31	34.29	32.84	33.73	+1.26%	1,746,000
2026-04-24	34.03	34.33	33.30	33.31	-1.77%	912,300
2026-04-23	33.74	34.16	33.65	33.91	+0.50%	1,109,400
2026-04-22	33.52	33.80	33.22	33.74	+0.66%	1,350,000
2026-04-21	34.43	34.43	33.46	33.52	-2.07%	1,259,400
2026-04-20	34.49	34.87	34.12	34.23	-0.87%	1,124,400
2026-04-17	34.52	34.72	34.11	34.53	+2.25%	2,228,900
2026-04-16	33.06	34.00	33.06	33.77	+1.66%	1,602,000
2026-04-15	33.92	34.26	32.96	33.22	-1.92%	1,640,400
2026-04-14	33.73	34.23	33.64	33.87	+0.36%	1,837,500
2026-04-13	32.78	33.80	32.76	33.75	+1.17%	2,182,800
2026-04-10	35.19	35.52	33.34	33.36	-4.47%	2,036,600
2026-04-09	35.00	35.45	34.44	34.92	+0.43%	2,049,900
2026-04-08	33.74	34.79	33.68	34.77	+5.30%	3,228,900
2026-04-07	33.86	33.96	32.47	33.02	-3.11%	2,140,400
2026-04-06	34.57	34.99	33.93	34.08	-2.18%	2,022,200
2026-04-02	34.58	35.32	34.31	34.84	-0.60%	2,485,600
2026-04-01	35.81	36.48	34.21	35.05	-0.88%	4,768,200
2026-03-31	32.96	36.22	32.54	35.36	+17.28%	12,031,500
2026-03-30	29.39	30.39	29.15	30.15	+2.59%	2,518,900
2026-03-27	29.90	30.05	29.20	29.39	-1.77%	2,073,100
2026-03-26	29.16	30.17	29.07	29.92	+1.87%	3,419,100
2026-03-25	28.70	29.69	28.66	29.37	+3.42%	1,383,100
2026-03-24	27.39	28.53	27.31	28.40	+2.49%	2,999,200
2026-03-23	28.48	28.74	27.66	27.71	-1.56%	2,320,700
2026-03-20	28.42	28.89	27.94	28.15	-0.88%	4,918,300
2026-03-19	27.00	28.49	27.00	28.40	+4.41%	2,977,700
2026-03-18	27.41	27.52	27.00	27.20	-1.63%	1,632,200
2026-03-17	28.20	28.51	27.65	27.65	-1.25%	1,314,900
2026-03-16	27.96	28.13	27.54	28.00	+0.86%	1,640,500
2026-03-13	27.88	28.34	27.41	27.76	+0.43%	2,896,700
2026-03-12	27.43	28.02	27.03	27.64	-0.47%	2,597,600
2026-03-11	27.58	27.79	27.20	27.77	+0.11%	1,637,700
2026-03-10	28.46	28.56	27.66	27.74	-2.50%	2,471,531
2026-03-09	28.51	28.89	27.96	28.45	-0.63%	2,027,184
2026-03-06	27.91	28.75	27.42	28.63	+0.99%	1,924,200
2026-03-05	29.00	29.18	28.17	28.35	-3.18%	2,233,600
2026-03-04	29.28	29.52	28.86	29.28	+0.27%	1,807,800
2026-03-03	29.76	30.34	28.91	29.20	-3.47%	2,708,600
2026-03-02	29.29	30.35	29.11	30.25	+0.50%	2,047,300
2026-02-27	30.35	30.49	29.91	30.10	-2.05%	2,489,800
2026-02-26	31.06	31.44	29.81	30.73	-1.00%	2,871,800
2026-02-25	32.50	32.78	30.54	31.04	-7.04%	3,899,400
2026-02-24	32.91	33.88	32.55	33.39	+3.73%	2,161,300
2026-02-23	31.64	32.35	31.48	32.19	+0.88%	1,943,700
2026-02-20	31.80	31.99	31.40	31.91	-0.28%	1,823,700
2026-02-19	31.84	32.33	31.77	32.00	-0.06%	1,650,200
2026-02-18	32.87	33.03	31.87	32.02	-2.67%	1,568,500
2026-02-17	32.81	33.74	32.60	32.90	-0.78%	1,582,000
2026-02-13	33.52	34.27	33.09	33.16	-0.39%	989,100
2026-02-12	33.33	34.22	33.04	33.29	-4.64%	1,838,500
2026-02-11	34.89	35.15	33.91	34.91	+0.55%	1,352,700
2026-02-10	34.93	35.34	34.66	34.72	-0.34%	1,520,300
2026-02-09	34.62	34.89	34.36	34.84	-0.20%	1,415,800
2026-02-06	34.38	35.02	34.11	34.91	+4.05%	1,938,900
2026-02-05	34.10	34.73	33.35	33.55	-1.70%	1,572,400
2026-02-04	34.56	34.93	34.03	34.13	-0.99%	1,467,400
2026-02-03	34.64	35.12	34.26	34.47	-1.40%	1,492,300
2026-02-02	33.54	35.30	33.43	34.96	+3.16%	1,826,100
2026-01-30	34.58	34.96	33.75	33.89	-2.84%	2,388,400
2026-01-29	34.12	35.29	34.00	34.88	+2.89%	2,817,300
2026-01-28	33.92	34.40	33.55	33.90	+1.13%	1,727,800
2026-01-27	33.11	33.58	32.49	33.52	+1.24%	1,557,700
2026-01-26	33.38	33.99	32.78	33.11	-1.49%	2,462,300
2026-01-23	33.95	34.27	33.17	33.61	-1.00%	3,010,200
2026-01-22	33.85	34.67	33.51	33.95	+0.30%	2,755,500
2026-01-21	31.79	33.96	31.78	33.85	+6.61%	3,269,200
2026-01-20	31.42	32.10	31.09	31.75	+0.38%	2,167,000
2026-01-16	31.38	31.87	31.15	31.63	+1.31%	2,418,300
2026-01-15	30.51	31.96	30.46	31.22	+1.96%	2,897,300
2026-01-14	29.26	30.77	29.16	30.62	+5.04%	1,860,800
2026-01-13	29.53	29.75	28.93	29.15	-1.59%	2,082,300
2026-01-12	29.58	29.92	29.00	29.62	-0.13%	1,675,500
2026-01-09	29.73	30.47	29.58	29.66	+0.20%	2,820,800
2026-01-08	29.06	30.08	29.06	29.60	+0.82%	2,311,400
2026-01-07	29.00	29.78	28.95	29.36	+2.02%	2,299,600
2026-01-06	28.01	28.92	27.50	28.78	+2.79%	2,033,000
2026-01-05	28.09	28.32	27.70	28.00	-0.92%	1,627,000
2026-01-02	28.01	28.63	27.56	28.26	+1.00%	1,323,300
2025-12-31	27.95	28.17	27.68	27.98	+0.61%	1,206,600
2025-12-30	27.86	28.15	27.66	27.81	-0.71%	1,230,900
2025-12-29	28.61	28.61	27.85	28.01	-1.68%	923,300
2025-12-26	28.41	28.53	28.32	28.49	-0.11%	760,100
2025-12-24	28.46	28.75	28.39	28.52	+0.11%	962,400
2025-12-23	28.67	28.87	28.43	28.49	-0.49%	957,600
2025-12-22	28.38	28.98	28.02	28.63	+0.63%	1,366,000
2025-12-19	27.91	28.65	27.82	28.45	+2.30%	4,281,500
2025-12-18	28.23	28.50	27.69	27.81	-0.82%	1,502,200
2025-12-17	28.22	28.53	27.85	28.04	-0.07%	1,929,900
2025-12-16	28.10	28.27	27.53	28.06	-0.39%	1,696,500
2025-12-15	28.72	28.79	28.00	28.17	-1.16%	1,992,000
2025-12-12	29.26	29.35	28.42	28.50	-2.30%	1,620,200
2025-12-11	28.73	29.34	28.56	29.17	+1.92%	1,567,400
2025-12-10	28.52	28.77	27.81	28.62	+0.63%	2,209,100
2025-12-09	29.41	29.68	28.42	28.44	-3.30%	2,089,000
2025-12-08	29.55	29.80	29.12	29.41	-0.37%	1,709,000
2025-12-05	29.16	29.59	28.97	29.52	+0.75%	1,810,100
2025-12-04	29.53	29.66	28.96	29.30	-0.78%	1,376,100
2025-12-03	29.21	30.10	28.97	29.53	+1.93%	1,454,400
2025-12-02	29.27	29.49	28.52	28.97	+0.24%	1,837,800
2025-12-01	29.30	29.47	28.85	28.90	-2.30%	1,539,800
2025-11-28	29.85	30.23	29.24	29.58	-0.47%	1,120,400
2025-11-26	28.93	30.05	28.67	29.72	+2.52%	2,530,300
2025-11-25	28.38	29.06	28.19	28.99	+2.80%	1,601,900
2025-11-24	28.55	28.63	27.90	28.20	-1.43%	2,490,200
2025-11-21	28.10	28.87	28.06	28.61	+1.49%	2,039,000
2025-11-20	28.86	29.24	28.12	28.19	-1.74%	1,433,100
2025-11-19	29.02	29.28	28.50	28.69	-1.95%	1,725,400
2025-11-18	29.57	29.86	28.84	29.26	-0.24%	3,103,500
2025-11-17	29.36	30.27	29.12	29.33	+1.00%	2,869,200
2025-11-14	30.22	30.37	28.67	29.04	-6.35%	5,749,500
2025-11-13	30.60	31.74	30.60	31.01	-1.27%	3,354,200
2025-11-12	27.97	31.63	27.49	31.41	-7.10%	8,561,600
2025-11-11	33.08	34.46	32.51	33.81	+3.55%	1,888,000
2025-11-10	32.89	33.47	32.23	32.65	-0.73%	1,748,700
2025-11-07	31.89	32.95	31.41	32.89	+3.82%	1,990,400
2025-11-06	31.03	32.49	30.66	31.68	+1.96%	2,124,200
2025-11-05	32.01	36.32	31.00	31.07	+2.24%	6,993,100
2025-11-04	30.00	30.63	29.77	30.39	+0.73%	2,317,200
2025-11-03	30.34	30.69	29.70	30.17	-1.73%	2,452,700
2025-10-31	30.70	31.00	30.35	30.70	-0.39%	2,020,600
2025-10-30	31.29	32.13	30.73	30.82	-2.00%	2,269,000
2025-10-29	31.00	31.90	30.66	31.45	+1.45%	2,348,000
2025-10-28	30.25	31.48	28.41	31.00	+4.31%	4,965,600
2025-10-27	30.05	30.40	29.45	29.72	-0.27%	2,928,200
2025-10-24	30.30	30.51	29.53	29.80	-0.80%	2,079,700
2025-10-23	31.22	31.22	29.93	30.04	-3.38%	4,317,100
2025-10-22	30.00	32.02	29.93	31.09	-1.14%	4,325,800
2025-10-21	30.98	31.91	30.78	31.45	+1.52%	1,633,300
2025-10-20	30.52	31.27	30.07	30.98	+2.38%	1,649,000
2025-10-17	30.68	31.18	30.00	30.26	-1.75%	2,042,400
2025-10-16	32.11	32.29	30.40	30.80	-4.44%	2,284,600
2025-10-15	31.51	32.40	31.42	32.23	+0.91%	1,315,900
2025-10-14	32.00	32.21	31.59	31.94	-0.71%	2,977,600
2025-10-13	31.39	32.31	31.25	32.17	+3.08%	1,691,700
2025-10-10	31.38	31.52	30.77	31.21	-0.54%	2,759,200
2025-10-09	31.63	32.02	31.29	31.38	-0.41%	1,562,700
2025-10-08	31.15	31.82	30.81	31.51	+1.81%	1,084,300
2025-10-07	31.09	31.10	30.70	30.95	-0.13%	1,054,700
2025-10-06	30.87	31.30	30.74	30.99	-0.23%	1,619,200
2025-10-03	31.17	31.68	30.98	31.06	-0.64%	1,687,500
2025-10-02	30.53	31.32	30.50	31.26	+1.99%	1,593,900
2025-10-01	30.07	30.74	29.85	30.65	+2.17%	1,592,400
2025-09-30	28.95	30.17	28.95	30.00	+3.31%	2,299,100
2025-09-29	27.74	29.14	27.60	29.04	+4.12%	2,745,800
2025-09-26	28.20	28.55	27.57	27.89	+2.80%	2,340,100
2025-09-25	27.79	27.79	26.99	27.13	-2.45%	1,086,500
2025-09-24	27.74	28.25	27.56	27.81	+0.22%	1,120,300
2025-09-23	27.49	28.03	27.47	27.75	+0.43%	1,740,300
2025-09-22	27.87	28.16	27.52	27.63	-0.58%	2,002,600
2025-09-19	28.36	28.45	27.70	27.79	-2.66%	3,309,700
2025-09-18	28.18	28.64	28.00	28.55	+2.44%	1,368,700
2025-09-17	27.52	28.28	27.38	27.87	+1.75%	2,246,100
2025-09-16	26.50	27.45	26.50	27.39	+3.28%	2,141,600
2025-09-15	26.91	26.93	26.40	26.52	-1.67%	1,960,300
2025-09-12	27.44	27.68	26.93	26.97	-2.67%	2,480,900
2025-09-11	27.05	27.75	27.02	27.71	+2.90%	1,655,500
2025-09-10	27.91	28.00	26.70	26.93	-3.30%	2,651,000
2025-09-09	28.56	28.65	27.63	27.85	-2.11%	3,692,400
2025-09-08	28.30	28.56	25.17	28.45	-4.98%	5,511,400
2025-09-05	28.89	30.24	28.70	29.94	+3.53%	2,502,200

Most recent 250 sessions, newest first.

Seasonal returns

Best month historically: Jan (+14.80%). Worst month: Apr (-7.69%). Based on 2 years of daily data (2025–2026).

Jan+14.80%
Feb-1.15%
Mar+6.85%
Apr-7.69%
May+13.25%
Jun+7.70%
Jul-6.95%
Aug+1.99%
Sep+2.04%
Oct+0.16%
Nov-1.96%
Dec-3.18%

FAQ · from the current price data · as of 2026-09-02

Quick answers

What is Alkermes Plc's (ALKS) latest close?

47.72 on 2026-09-02, from the Closelook data lake's daily price record.

What is ALKS's 52-week high and low?

55.67 high and 25.17 low over the trailing 52 weeks, as of 2026-09-02.

What is Alkermes Plc's strongest and weakest month historically?

Historically, ALKS's strongest calendar month has been Jan (average +14.80%) and its weakest Apr (average -7.69%), based on 2 years of daily data (2025–2026).

How many years of seasonality does this cover?

2 years (2025–2026), computed from 418 daily bars in the Closelook data lake.