Ionis Pharmaceuticals Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Aug 12, 2026	55.01	56.79	54.91	56.60	-	2.13%	611,189
Aug 11, 2026	56.79	57.16	55.37	55.42	55.42	-2.67%	2,364,290
Aug 10, 2026	56.10	57.66	56.10	56.94	56.94	0.67%	2,175,625
Aug 7, 2026	54.73	56.60	54.40	56.56	56.56	3.80%	1,817,508
Aug 6, 2026	54.59	55.42	54.02	54.49	54.49	0.55%	2,579,853
Aug 5, 2026	55.17	55.36	53.58	54.19	54.19	-1.60%	2,087,419
Aug 4, 2026	54.85	55.22	53.87	55.07	55.07	1.06%	2,503,514
Aug 3, 2026	52.66	54.54	52.17	54.49	54.49	5.25%	3,210,676
Jul 31, 2026	53.33	53.33	51.28	51.77	51.77	-2.83%	2,554,898
Jul 30, 2026	53.92	54.04	52.65	53.28	53.28	-1.41%	2,875,163
Jul 29, 2026	55.09	55.36	53.50	54.04	54.04	-2.28%	3,129,432
Jul 28, 2026	56.56	56.56	54.00	55.30	55.30	-1.18%	2,805,274
Jul 27, 2026	56.93	57.09	55.79	55.96	55.96	-1.04%	2,584,895
Jul 24, 2026	56.32	57.36	56.19	56.55	56.55	1.22%	3,094,731
Jul 23, 2026	53.71	57.48	53.35	55.87	55.87	3.44%	3,834,344
Jul 22, 2026	51.16	54.06	50.01	54.01	54.01	1.16%	8,732,966
Jul 21, 2026	52.75	54.13	52.26	53.39	53.39	0.83%	3,074,069
Jul 20, 2026	54.47	54.80	52.82	52.95	52.95	-2.65%	2,167,064
Jul 17, 2026	54.10	54.69	53.76	54.39	54.39	-0.48%	2,572,809
Jul 16, 2026	53.95	55.98	53.38	54.65	54.65	-0.15%	3,805,259
Jul 15, 2026	54.48	54.89	53.51	54.73	54.73	-0.36%	3,577,545
Jul 14, 2026	55.80	56.46	54.53	54.93	54.93	-3.21%	4,700,265
Jul 13, 2026	57.91	57.91	56.11	56.75	56.75	-2.58%	5,097,949
Jul 10, 2026	64.27	64.44	58.20	58.25	58.25	-9.37%	11,444,106
Jul 9, 2026	67.78	70.35	64.10	64.27	64.27	-23.90%	20,447,626
Jul 8, 2026	85.56	86.74	83.92	84.46	84.46	-2.17%	2,280,833
Jul 7, 2026	84.42	86.67	82.95	86.33	86.33	3.79%	2,646,707
Jul 6, 2026	82.11	84.01	81.19	83.18	83.18	1.69%	1,847,437
Jul 2, 2026	79.53	81.99	79.11	81.80	81.80	3.30%	2,301,899
Jul 1, 2026	79.13	79.48	77.95	79.19	79.19	-0.13%	1,442,398
Jun 30, 2026	81.17	81.24	79.21	79.29	79.29	-1.74%	2,380,302
Jun 29, 2026	81.00	82.53	79.95	80.69	80.69	-0.60%	2,806,623
Jun 26, 2026	78.80	82.63	78.80	81.18	81.18	3.63%	3,828,331
Jun 25, 2026	76.69	79.55	76.25	78.34	78.34	2.38%	2,583,536
Jun 24, 2026	76.40	79.00	76.04	76.52	76.52	0.70%	2,485,706
Jun 23, 2026	75.89	77.31	75.77	75.99	75.99	0.13%	1,405,415
Jun 22, 2026	74.85	76.56	74.12	75.89	75.89	2.39%	1,956,125
Jun 18, 2026	75.00	75.66	73.50	74.12	74.12	-0.26%	2,984,374
Jun 17, 2026	73.09	75.12	72.55	74.31	74.31	1.67%	1,788,351
Jun 16, 2026	73.93	73.96	72.30	73.09	73.09	-1.18%	1,801,390
Jun 15, 2026	73.49	74.27	72.88	73.96	73.96	0.93%	1,506,352
Jun 12, 2026	73.82	74.35	72.57	73.28	73.28	-0.74%	1,964,868
Jun 11, 2026	73.34	74.48	72.76	73.82	73.82	0.68%	2,234,438
Jun 10, 2026	74.43	75.85	72.83	73.32	73.32	-1.69%	1,595,746
Jun 9, 2026	74.77	75.79	73.53	74.58	74.58	1.41%	1,568,661
Jun 8, 2026	74.33	74.43	73.14	73.54	73.54	-1.26%	1,620,750
Jun 5, 2026	75.24	75.96	73.81	74.48	74.48	-0.87%	1,982,003
Jun 4, 2026	74.01	75.88	73.82	75.13	75.13	1.77%	1,241,131
Jun 3, 2026	72.68	74.12	72.02	73.82	73.82	1.16%	1,303,889
Jun 2, 2026	74.85	75.23	72.56	72.97	72.97	-3.20%	2,086,205