Ionis Pharmaceuticals, Inc. historical data

1M 3M 6M 1Y 5Y MAX Download CSV

Date	Open	High	Low	Close	Adj. close	Volume
2026-10-23	44.450	45.400	42.650	42.950	42.950	2,160
2026-10-22	45.400	45.890	43.610	43.820	43.820	508
2026-10-21	45.420	47.490	44.830	44.830	44.830	1,111
2026-10-20	43.610	45.330	43.610	45.020	45.020	734
2026-10-19	42.060	44.150	42.060	44.134	44.134	249
2026-10-16	44.400	44.890	42.970	43.120	43.120	496
2026-10-15	42.970	44.506	42.500	43.900	43.900	2,231
2026-10-14	42.050	43.530	42.050	42.900	42.900	1,122
2026-10-13	43.010	44.190	42.370	42.590	42.590	2,164
2026-10-12	44.970	46.000	43.940	44.140	44.140	660
2026-10-09	43.810	45.660	43.040	45.370	45.370	512
2026-10-08	43.010	44.490	42.830	43.576	43.576	1,376
2026-10-07	43.782	44.260	43.450	43.760	43.760	716
2026-10-06	44.100	44.700	43.010	43.980	43.980	2,779
2026-10-05	43.290	44.480	42.710	43.630	43.630	4,675
2026-10-02	44.990	44.990	43.310	43.310	43.310	1,650
2026-10-01	45.090	45.810	44.350	44.420	44.420	482
2026-09-30	47.000	47.250	45.261	45.579	45.579	986
2026-09-29	45.520	46.320	45.150	45.700	45.700	723
2026-09-28	44.980	46.530	43.860	46.460	46.460	2,345
2026-09-25	43.530	45.220	43.530	45.220	45.220	600
2026-09-24	44.170	44.571	43.240	43.980	43.980	4,409
2026-09-23	47.500	48.500	43.007	44.490	44.490	14,465
2026-09-22	44.980	48.000	44.510	45.650	45.650	2,684
2026-09-21	44.460	45.450	44.400	45.080	45.080	3,034
2026-09-18	47.500	47.500	44.670	44.950	44.950	5,552
2026-09-17	44.670	47.470	44.670	46.560	46.560	2,953
2026-09-16	47.500	47.900	45.340	45.340	45.340	3,112
2026-09-15	52.000	52.000	47.120	47.550	47.550	6,167
2026-09-14	53.000	55.506	52.175	52.650	52.650	842
2026-09-11	55.770	56.120	54.830	55.190	55.190	409
2026-09-10	55.500	55.750	55.000	55.310	55.310	431
2026-09-09	56.150	57.000	55.830	56.280	56.280	1,526
2026-09-08	53.460	57.230	49.590	56.320	56.320	12,414
2026-09-04	58.630	59.150	57.800	58.480	58.480	3,934
2026-09-03	61.120	61.120	57.570	57.990	57.990	2,006
2026-09-02	59.300	61.440	59.300	61.070	61.070	693
2026-09-01	59.130	61.150	59.130	60.350	60.350	2,981
2026-08-31	60.500	61.500	59.860	60.190	60.190	1,005
2026-08-28	62.040	62.040	60.000	61.110	61.110	1,630
2026-08-27	63.000	64.500	62.586	62.600	62.600	741
2026-08-26	64.630	65.000	62.540	63.370	63.370	2,626
2026-08-25	62.840	64.161	61.660	63.800	63.800	3,070
2026-08-24	60.730	61.270	59.760	61.260	61.260	2,319
2026-08-21	59.980	60.810	59.050	59.817	59.817	651
2026-08-20	59.800	61.490	58.870	58.960	58.960	563
2026-08-19	59.600	61.090	59.600	60.450	60.450	1,094
2026-08-18	58.050	60.090	58.000	59.099	59.099	1,454
2026-08-17	55.510	58.330	55.510	58.160	58.160	1,306
2026-08-14	57.200	57.200	55.120	56.970	56.970	1,720
2026-08-13	56.310	57.040	55.620	55.620	55.620	509
2026-08-12	55.400	56.956	55.010	56.720	56.720	909
2026-08-11	57.500	57.500	55.900	55.990	55.990	488
2026-08-10	57.060	57.640	56.100	57.242	57.242	2,907
2026-08-07	54.170	55.660	54.170	55.660	55.660	274
2026-08-06	54.290	55.350	54.000	54.670	54.670	464
2026-08-05	55.780	55.780	54.150	54.150	54.150	303
2026-08-04	55.790	55.790	53.955	54.980	54.980	1,702
2026-08-03	52.590	53.740	51.640	53.740	53.740	666
2026-07-31	54.000	54.000	51.290	51.730	51.730	577

Page 1 of 4 · 227 trading daysOlder →

Stock splits

No stock splits on record.

Dividends

No dividends on record.

Open, high, low and close are as traded (USD). Adjusted close accounts for splits and dividends. Educational only, not financial advice.