Ionis Pharmaceuticals Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Nov 26, 2025	81.15	82.91	80.75	82.70	82.70	2.19%	2,955,187
Nov 25, 2025	78.52	81.20	78.33	80.93	80.93	3.07%	2,542,985
Nov 24, 2025	76.34	78.79	76.16	78.52	78.52	3.19%	3,046,617
Nov 21, 2025	73.00	76.31	73.00	76.09	76.09	4.06%	2,075,268
Nov 20, 2025	74.17	75.40	72.50	73.12	73.12	-1.19%	3,158,820
Nov 19, 2025	74.55	75.00	71.83	74.00	74.00	-0.67%	3,620,815
Nov 18, 2025	72.81	74.52	71.99	74.50	74.50	1.69%	2,056,681
Nov 17, 2025	70.70	74.42	70.70	73.26	73.26	2.39%	3,504,705
Nov 14, 2025	69.66	72.54	68.90	71.55	71.55	2.45%	3,372,265
Nov 13, 2025	72.56	73.05	68.22	69.84	69.84	-3.89%	11,502,846
Nov 12, 2025	71.19	74.50	70.40	72.67	72.67	0.30%	5,067,958
Nov 11, 2025	69.32	72.79	68.55	72.45	72.45	4.18%	2,268,649
Nov 10, 2025	70.05	71.49	66.66	69.54	69.54	-5.45%	4,399,684
Nov 7, 2025	73.58	75.00	72.36	73.55	73.55	-0.74%	2,332,419
Nov 6, 2025	74.58	76.78	73.91	74.10	74.10	-0.78%	2,424,206
Nov 5, 2025	72.14	75.08	71.48	74.68	74.68	2.47%	2,259,305
Nov 4, 2025	72.40	74.21	72.40	72.88	72.88	-1.05%	1,726,391
Nov 3, 2025	74.77	75.25	71.95	73.65	73.65	-0.87%	2,576,035
Oct 31, 2025	74.50	75.49	74.02	74.30	74.30	0.18%	2,395,612
Oct 30, 2025	71.91	74.70	71.66	74.17	74.17	3.19%	2,177,727
Oct 29, 2025	72.37	74.05	71.14	71.88	71.88	-2.30%	2,164,198
Oct 28, 2025	72.99	74.04	72.50	73.57	73.57	0.79%	2,559,568
Oct 27, 2025	72.03	73.27	71.46	72.99	72.99	3.01%	1,842,613
Oct 24, 2025	72.39	72.44	70.22	70.86	70.86	-0.90%	1,990,370
Oct 23, 2025	71.69	72.44	71.05	71.50	71.50	-	1,605,852
Oct 22, 2025	71.23	71.98	70.60	71.50	71.50	-0.20%	1,508,356
Oct 21, 2025	72.94	73.20	70.47	71.64	71.64	-2.60%	2,529,928
Oct 20, 2025	73.55	73.69	72.30	73.55	73.55	0.63%	1,395,624
Oct 17, 2025	72.96	74.02	72.32	73.09	73.09	0.03%	1,310,772
Oct 16, 2025	73.12	74.42	72.07	73.07	73.07	0.94%	1,739,636
Oct 15, 2025	71.42	73.92	71.24	72.39	72.39	1.43%	3,234,234
Oct 14, 2025	70.59	72.15	70.08	71.37	71.37	1.10%	1,264,896
Oct 13, 2025	70.16	71.50	69.84	70.59	70.59	0.89%	2,624,101
Oct 10, 2025	70.00	70.49	69.40	69.97	69.97	-0.43%	1,697,166
Oct 9, 2025	70.21	70.89	69.68	70.27	70.27	0.44%	1,959,024
Oct 8, 2025	70.49	71.87	69.60	69.96	69.96	1.48%	3,102,776
Oct 7, 2025	69.00	69.77	67.95	68.94	68.94	-0.12%	1,903,691
Oct 6, 2025	69.15	70.14	68.85	69.02	69.02	-0.19%	1,824,037
Oct 3, 2025	68.33	69.25	67.64	69.15	69.15	1.10%	2,579,755
Oct 2, 2025	66.21	68.41	65.97	68.40	68.40	3.95%	2,999,333
Oct 1, 2025	65.35	66.25	64.93	65.80	65.80	0.58%	2,222,143
Sep 30, 2025	63.90	65.55	63.66	65.42	65.42	1.98%	2,140,270
Sep 29, 2025	63.76	64.70	63.36	64.15	64.15	0.09%	1,454,533
Sep 26, 2025	64.03	64.49	63.05	64.09	64.09	1.78%	1,522,295
Sep 25, 2025	63.47	64.07	62.72	62.97	62.97	-1.52%	2,314,520
Sep 24, 2025	62.65	63.99	62.19	63.94	63.94	2.19%	1,592,919
Sep 23, 2025	61.51	63.13	61.03	62.57	62.57	1.97%	2,066,238
Sep 22, 2025	63.18	63.18	61.05	61.36	61.36	0.57%	2,682,881
Sep 19, 2025	61.91	62.00	60.41	61.01	61.01	-1.18%	3,305,122
Sep 18, 2025	62.15	62.52	61.21	61.74	61.74	0.93%	1,644,660