Ionis Pharmaceuticals Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Jan 9, 2026	69.48	69.48	69.48	69.48	69.48	-3.07%	-
Jan 8, 2026	70.64	71.68	70.64	71.68	71.68	2.31%	22
Jan 7, 2026	69.28	70.06	69.28	70.06	70.06	5.54%	100
Jan 6, 2026	66.38	66.38	66.38	66.38	66.38	0.58%	-
Jan 5, 2026	67.20	67.20	66.00	66.00	66.00	-2.94%	150
Jan 2, 2026	66.92	68.00	66.92	68.00	68.00	1.01%	91
Dec 30, 2025	67.32	67.32	67.32	67.32	67.32	-0.15%	-
Dec 29, 2025	67.42	67.42	67.42	67.42	67.42	-2.15%	-
Dec 23, 2025	68.52	68.90	68.52	68.90	68.90	2.23%	500
Dec 22, 2025	67.40	67.40	67.40	67.40	67.40	-0.12%	-
Dec 19, 2025	65.86	67.48	65.86	67.48	67.48	3.56%	7
Dec 18, 2025	65.16	65.16	65.16	65.16	65.16	-2.02%	-
Dec 17, 2025	66.50	66.50	66.50	66.50	66.50	-1.31%	-
Dec 16, 2025	67.38	67.38	67.38	67.38	67.38	-1.46%	-
Dec 15, 2025	68.38	68.38	68.38	68.38	68.38	2.21%	-
Dec 12, 2025	66.90	66.90	66.90	66.90	66.90	-0.09%	-
Dec 11, 2025	66.96	66.96	66.96	66.96	66.96	-0.42%	-
Dec 10, 2025	67.24	67.24	67.24	67.24	67.24	-3.20%	-
Dec 9, 2025	69.46	69.46	69.46	69.46	69.46	-	-
Dec 8, 2025	69.46	69.46	69.46	69.46	69.46	-1.89%	-
Dec 5, 2025	69.64	70.80	69.64	70.80	70.80	1.40%	10
Dec 4, 2025	69.82	69.82	69.82	69.82	69.82	-0.17%	-
Dec 3, 2025	69.40	70.34	69.40	69.94	69.94	-2.26%	289
Dec 2, 2025	70.10	71.62	70.10	71.56	71.56	0.85%	185
Dec 1, 2025	70.96	70.96	70.96	70.96	70.96	0.17%	-
Nov 28, 2025	70.96	70.96	70.84	70.84	70.84	0.25%	50
Nov 27, 2025	70.66	70.66	70.66	70.66	70.66	1.93%	-
Nov 26, 2025	69.32	69.32	69.32	69.32	69.32	2.42%	-
Nov 25, 2025	67.68	67.68	67.68	67.68	67.68	2.86%	-
Nov 24, 2025	65.80	65.80	65.80	65.80	65.80	4.25%	-
Nov 21, 2025	63.12	63.12	63.12	63.12	63.12	-1.03%	-
Nov 20, 2025	63.78	63.78	63.78	63.78	63.78	0.03%	-
Nov 19, 2025	63.76	63.76	63.76	63.76	63.76	2.41%	-
Nov 18, 2025	62.26	62.26	62.26	62.26	62.26	1.80%	-
Nov 17, 2025	61.16	61.16	61.16	61.16	61.16	2.72%	-
Nov 14, 2025	59.68	59.68	59.54	59.54	59.54	0.27%	75
Nov 13, 2025	62.30	62.30	59.38	59.38	59.38	-4.41%	30
Nov 12, 2025	62.12	62.12	62.12	62.12	62.12	3.95%	-
Nov 11, 2025	59.76	59.76	59.76	59.76	59.76	6.33%	-
Nov 10, 2025	65.54	65.54	55.00	56.20	56.20	-12.11%	231
Nov 7, 2025	63.94	63.94	63.94	63.94	63.94	-1.81%	-
Nov 6, 2025	64.78	65.12	64.78	65.12	65.12	3.40%	4
Nov 5, 2025	62.98	62.98	62.98	62.98	62.98	0.13%	-
Nov 4, 2025	62.90	62.90	62.90	62.90	62.90	-1.63%	-
Nov 3, 2025	63.94	63.94	63.94	63.94	63.94	0.13%	-
Oct 31, 2025	63.86	63.86	63.86	63.86	63.86	3.64%	-
Oct 30, 2025	61.62	61.62	61.62	61.62	61.62	-1.50%	-
Oct 29, 2025	62.56	62.56	62.56	62.56	62.56	-0.16%	-
Oct 28, 2025	62.34	62.66	62.34	62.66	62.66	2.96%	500
Oct 27, 2025	60.86	60.86	60.86	60.86	60.86	-1.27%	-