Ionis Pharmaceuticals Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Dec 19, 2025	77.60	77.60	77.60	77.60	-	-0.36%	40
Dec 18, 2025	77.08	77.88	77.00	77.88	77.88	-0.82%	90
Dec 17, 2025	78.77	79.18	77.99	78.52	78.52	0.99%	12
Dec 16, 2025	79.11	79.36	77.35	77.75	77.75	-3.07%	521
Dec 15, 2025	79.36	80.79	79.36	80.21	80.21	0.34%	57
Dec 12, 2025	79.19	79.94	78.65	79.94	79.94	0.56%	208
Dec 11, 2025	78.62	79.62	78.13	79.49	79.49	0.67%	23
Dec 10, 2025	79.35	79.38	77.96	78.96	78.96	-0.44%	182
Dec 9, 2025	80.12	80.99	78.97	79.31	79.31	-3.32%	206
Dec 8, 2025	82.47	82.90	81.58	82.03	82.03	0.47%	239
Dec 5, 2025	82.02	82.51	80.86	81.65	81.65	-1.14%	272
Dec 4, 2025	82.25	82.59	81.51	82.59	82.59	0.13%	74
Dec 3, 2025	81.93	83.00	81.66	82.49	82.49	0.85%	323
Dec 2, 2025	82.01	82.84	80.41	81.79	81.79	0.36%	635
Dec 1, 2025	82.44	82.44	80.51	81.50	81.50	-1.27%	599
Nov 28, 2025	81.82	82.99	81.82	82.55	82.55	0.03%	163
Nov 26, 2025	81.43	82.63	80.69	82.52	82.52	2.61%	285
Nov 25, 2025	79.11	80.61	78.20	80.42	80.42	3.97%	769
Nov 24, 2025	76.12	78.59	76.12	77.35	77.35	1.92%	952
Nov 21, 2025	73.05	75.89	72.50	75.89	75.89	1.80%	114
Nov 20, 2025	74.86	75.42	73.95	74.55	74.55	3.14%	688
Nov 19, 2025	74.54	75.00	71.99	72.28	72.28	-1.78%	115
Nov 18, 2025	72.96	73.59	72.53	73.59	73.59	-0.15%	8
Nov 17, 2025	71.00	73.70	70.70	73.70	73.70	3.81%	418
Nov 14, 2025	70.00	71.97	68.80	70.99	70.99	0.43%	204
Nov 13, 2025	72.36	72.70	68.85	70.69	70.69	-2.08%	1,740
Nov 12, 2025	71.19	73.13	71.19	72.19	72.19	0.21%	247
Nov 11, 2025	69.32	72.50	68.92	72.04	72.04	2.32%	228
Nov 10, 2025	64.94	71.01	64.94	70.41	70.41	-3.50%	1,877
Nov 7, 2025	73.45	74.05	72.49	72.96	72.96	-2.14%	228
Nov 6, 2025	74.68	76.57	74.56	74.56	74.56	0.85%	884
Nov 5, 2025	72.14	74.63	71.50	73.93	73.93	-	5,607
Nov 4, 2025	71.50	74.02	71.50	73.93	73.93	0.79%	349
Nov 3, 2025	74.43	75.24	72.19	73.35	73.35	-2.08%	1,085
Oct 31, 2025	74.26	75.20	74.26	74.91	74.91	0.51%	847
Oct 30, 2025	72.00	74.53	71.61	74.53	74.53	3.95%	397
Oct 29, 2025	72.37	73.17	71.25	71.70	71.70	-1.55%	2,309
Oct 28, 2025	72.99	73.74	72.56	72.83	72.83	-0.19%	2,212
Oct 27, 2025	74.00	74.00	70.82	72.97	72.97	3.29%	412
Oct 24, 2025	72.45	72.73	70.36	70.65	70.65	-1.49%	594
Oct 23, 2025	71.50	71.94	71.10	71.71	71.71	0.50%	187
Oct 22, 2025	71.75	71.75	70.71	71.35	71.35	-0.15%	688
Oct 21, 2025	72.50	73.43	70.48	71.46	71.46	-2.78%	10,767
Oct 20, 2025	73.54	73.54	72.40	73.50	73.50	0.49%	10
Oct 17, 2025	72.69	73.68	72.45	73.14	73.14	0.88%	351
Oct 16, 2025	73.95	74.20	72.50	72.50	72.50	-0.67%	206
Oct 15, 2025	71.48	73.32	71.05	72.99	72.99	1.64%	2,687
Oct 14, 2025	70.59	71.81	70.58	71.81	71.81	1.01%	73
Oct 13, 2025	70.57	71.23	69.51	71.09	71.09	1.90%	58
Oct 10, 2025	70.93	70.93	69.30	69.77	69.77	-1.11%	229