Ionis Pharmaceuticals, Inc. - IONS - Stock Historical Data & Price

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
August 15, 2025	42.86	43.78	43.78	43.82	42.8	1.6M
August 14, 2025	43	42.85	42.85	43.4	42.44	1.58M
August 13, 2025	41.54	43.1	43.1	43.22	41.54	3.02M
August 12, 2025	40.87	41.41	41.41	41.42	40.37	1.5M
August 11, 2025	41.51	40.84	40.84	41.93	40.79	1.8M
August 08, 2025	40.89	41.64	41.64	41.76	40.86	1.74M
August 07, 2025	40.34	41.05	41.05	41.13	40.03	2.74M
August 06, 2025	42.65	40.69	40.69	42.87	40.66	2.47M
August 05, 2025	43.15	43.05	43.05	43.52	42.51	2.82M
August 04, 2025	43.15	43.45	43.45	43.74	42.26	2.31M
August 01, 2025	42.65	43.03	43.03	43.4	42.28	2.33M
July 31, 2025	44.37	42.98	42.98	44.98	42.33	3.54M
July 30, 2025	44.97	43.37	43.37	45.66	42.95	4.18M
July 29, 2025	41.59	41.48	41.48	41.65	40.81	1.5M
July 28, 2025	42.43	41.17	41.17	42.49	41.15	1.64M
July 25, 2025	42.34	42.25	42.25	42.55	41.6	887,900
July 24, 2025	42.35	42.15	42.15	42.81	42.12	879,300
July 23, 2025	42.27	42.38	42.38	42.77	41.7	1.44M
July 22, 2025	41.51	41.95	41.95	42.22	41.25	1.46M
July 21, 2025	41.97	41.55	41.55	42.58	41.49	1.42M
July 18, 2025	42.15	41.76	41.76	42.57	41.25	1.27M
July 17, 2025	42.9	42.17	42.17	43.3	42.12	2M
July 16, 2025	42.09	42.77	42.77	42.91	41.79	1.38M
July 15, 2025	42.78	42	42	42.99	41.62	1.8M
July 14, 2025	41.38	42.55	42.55	43.64	41.28	2.44M
July 11, 2025	42	41.73	41.73	42.19	41.45	1.55M
July 10, 2025	42.92	42.38	42.38	42.92	41.67	1.95M
July 09, 2025	41.65	42.83	42.83	42.95	41.44	1.69M
July 08, 2025	41.52	41.34	41.34	42.13	41.22	1.75M
July 07, 2025	42.68	41.78	41.78	42.68	41.43	2.24M
July 03, 2025	43.35	43	43	43.66	42.44	1.34M
July 02, 2025	39.97	43.59	43.59	43.71	39.86	4.22M
July 01, 2025	40.25	39.94	39.94	40.82	39.72	3.31M
June 30, 2025	39.95	39.51	39.51	40.23	39.37	1.6M
June 27, 2025	39.77	39.8	39.8	40.1	39.55	2.48M
June 26, 2025	40.39	39.78	39.78	40.61	39.73	1.81M
June 25, 2025	39.67	40	40	40.15	38.99	1.99M
June 24, 2025	37.87	39.64	39.64	39.94	37.32	2.84M
June 23, 2025	37.37	37.67	37.67	38.07	36.93	1.44M
June 20, 2025	37.3	37.41	37.41	37.52	36.45	2.29M
June 18, 2025	36.31	37.01	37.01	37.54	36.11	1.96M
June 17, 2025	35.7	36.15	36.15	36.33	34.84	1.62M
June 16, 2025	35.72	35.24	35.24	35.85	34.78	1.72M
June 13, 2025	35.05	35.59	35.59	35.67	35.05	1.48M
June 12, 2025	35.76	35.62	35.62	36.16	35.3	1.68M
June 11, 2025	36.84	36.19	36.18	36.97	36.09	1.55M
June 10, 2025	36.78	36.84	36.84	37.6	36.44	1.6M
June 09, 2025	35.89	36.76	36.76	36.95	35.49	2.03M
June 06, 2025	35.59	35.29	35.29	35.88	35	1.2M
June 05, 2025	35.02	35.24	35.24	35.56	34.79	835,100
June 04, 2025	34.87	35.11	35.11	35.84	34.72	1.2M
June 03, 2025	34.15	34.76	34.76	35.03	33.95	1.5M
June 02, 2025	33.84	34.11	34.11	34.36	33.43	1.4M
May 30, 2025	33.18	33.51	33.51	33.88	32.55	1.65M
May 29, 2025	32.58	33.46	33.46	33.71	32	2.02M
May 28, 2025	33.33	32.43	32.43	33.62	32.33	2.86M
May 27, 2025	33.61	33.32	33.32	33.65	33.04	1.92M
May 23, 2025	32.69	32.98	32.98	33.2	32.6	963,527
May 22, 2025	33.25	33.26	33.26	33.48	32.92	943,400
May 21, 2025	34.13	33.5	33.5	34.61	33.23	1.09M

Ionis Pharmaceuticals, Inc. (IONS) NASDAQ