Ionis Pharmaceuticals Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Mar 18, 2026	72.30	72.30	71.50	71.73	71.73	-1.18%	85
Mar 17, 2026	73.90	73.90	71.82	72.59	72.59	0.33%	7
Mar 16, 2026	71.85	72.67	71.15	72.35	72.35	1.35%	61
Mar 13, 2026	72.05	74.61	70.53	71.39	71.39	-1.61%	422
Mar 12, 2026	73.48	75.46	72.11	72.56	72.56	-3.45%	36
Mar 11, 2026	75.50	75.50	75.15	75.15	75.15	-1.79%	1
Mar 10, 2026	76.00	76.52	74.70	76.52	76.52	2.80%	211
Mar 9, 2026	74.04	75.10	73.02	74.43	74.43	0.84%	449
Mar 6, 2026	75.05	75.16	73.07	73.81	73.81	-2.54%	508
Mar 5, 2026	79.45	79.45	74.87	75.73	75.73	-3.34%	426
Mar 4, 2026	78.74	80.00	78.16	78.34	78.34	-2.00%	4,404
Mar 3, 2026	82.54	82.54	78.82	79.94	79.94	-2.44%	159
Mar 2, 2026	76.94	82.26	76.94	81.94	81.94	1.02%	1,162
Feb 27, 2026	79.27	81.87	79.27	81.11	81.11	0.56%	65
Feb 26, 2026	82.00	82.00	79.01	80.66	80.66	-0.30%	861
Feb 25, 2026	85.00	86.08	79.50	80.90	80.90	-4.85%	890
Feb 24, 2026	83.80	85.02	83.80	85.02	85.02	0.61%	245
Feb 23, 2026	83.18	84.63	82.71	84.50	84.50	2.96%	75
Feb 20, 2026	83.15	83.15	81.92	82.07	82.07	-0.67%	15
Feb 19, 2026	81.09	82.88	80.52	82.63	82.63	0.41%	123
Feb 18, 2026	80.60	82.75	80.60	82.29	82.29	1.26%	119
Feb 17, 2026	82.57	82.57	80.25	81.27	81.27	-0.16%	62
Feb 13, 2026	80.01	83.19	80.01	81.40	81.40	-1.25%	331
Feb 12, 2026	84.51	84.97	81.32	82.43	82.43	-1.03%	3,419
Feb 11, 2026	85.00	85.00	82.03	83.29	83.29	-0.72%	296
Feb 10, 2026	86.03	86.03	83.52	83.89	83.89	-1.33%	426
Feb 9, 2026	86.50	86.50	84.92	85.02	85.02	-1.13%	118
Feb 6, 2026	85.00	86.14	84.50	86.00	86.00	1.16%	801
Feb 5, 2026	82.75	86.72	82.75	85.01	85.01	0.85%	1,177
Feb 4, 2026	85.85	85.95	82.85	84.29	84.29	0.21%	1,281
Feb 3, 2026	83.65	85.12	83.00	84.11	84.11	1.42%	1,022
Feb 2, 2026	82.67	83.40	81.80	82.93	82.93	0.24%	408
Jan 30, 2026	82.12	84.44	82.12	82.73	82.73	-0.82%	149
Jan 29, 2026	81.42	83.88	81.42	83.41	83.41	1.39%	640
Jan 28, 2026	81.81	82.57	81.58	82.27	82.27	0.04%	336
Jan 27, 2026	81.40	82.69	81.26	82.24	82.24	2.41%	819
Jan 26, 2026	79.49	81.24	79.21	80.30	80.30	0.60%	31
Jan 23, 2026	81.88	81.88	79.58	79.82	79.82	-2.07%	258
Jan 22, 2026	79.75	81.51	79.00	81.51	81.51	3.72%	3
Jan 21, 2026	77.09	78.79	77.09	78.59	78.59	2.77%	105
Jan 20, 2026	75.27	76.47	74.20	76.47	76.47	1.77%	113
Jan 16, 2026	76.73	77.99	74.52	75.14	75.14	-3.45%	2,995
Jan 15, 2026	78.49	79.32	77.80	77.82	77.82	-1.23%	1,112
Jan 14, 2026	79.04	79.84	77.75	78.79	78.79	-0.61%	304
Jan 13, 2026	82.00	82.50	79.27	79.27	79.27	-2.33%	952
Jan 12, 2026	78.00	81.17	78.00	81.17	81.17	2.27%	353
Jan 9, 2026	82.53	82.97	79.36	79.36	79.36	-1.81%	3,028
Jan 8, 2026	83.98	83.98	80.83	80.83	80.83	-3.46%	4,519
Jan 7, 2026	81.78	86.07	81.77	83.73	83.73	3.82%	1,739
Jan 6, 2026	79.92	80.84	78.13	80.65	80.65	5.02%	8,332