Ionis Pharmaceuticals, Inc. historical data
| Date | Open | High | Low | Close | Adj. close | Volume |
|---|---|---|---|---|---|---|
| 2026-02-09 | 86.500 | 86.500 | 84.920 | 85.021 | 85.021 | 118 |
| 2026-02-06 | 85.000 | 86.140 | 84.500 | 85.995 | 85.995 | 801 |
| 2026-02-05 | 82.750 | 86.720 | 82.750 | 85.010 | 85.010 | 1,177 |
| 2026-02-04 | 85.850 | 85.950 | 82.850 | 84.290 | 84.290 | 1,281 |
| 2026-02-03 | 83.645 | 85.119 | 83.000 | 84.110 | 84.110 | 1,022 |
| 2026-02-02 | 82.670 | 83.400 | 81.800 | 82.930 | 82.930 | 408 |
| 2026-01-30 | 82.120 | 84.440 | 82.120 | 82.730 | 82.730 | 149 |
| 2026-01-29 | 81.420 | 83.880 | 81.420 | 83.410 | 83.410 | 640 |
| 2026-01-28 | 81.810 | 82.570 | 81.580 | 82.270 | 82.270 | 336 |
| 2026-01-27 | 81.400 | 82.690 | 81.260 | 82.240 | 82.240 | 819 |
| 2026-01-26 | 79.490 | 81.240 | 79.210 | 80.303 | 80.303 | 31 |
| 2026-01-23 | 81.875 | 81.875 | 79.580 | 79.823 | 79.823 | 258 |
| 2026-01-22 | 79.750 | 81.513 | 79.000 | 81.513 | 81.513 | 3 |
| 2026-01-21 | 77.090 | 78.790 | 77.090 | 78.590 | 78.590 | 105 |
| 2026-01-20 | 75.270 | 76.470 | 74.200 | 76.470 | 76.470 | 113 |
| 2026-01-19 | 75.140 | 75.140 | 75.140 | 75.140 | 75.140 | 0 |
| 2026-01-16 | 76.730 | 77.994 | 74.523 | 75.140 | 75.140 | 2,995 |
| 2026-01-15 | 78.486 | 79.320 | 77.800 | 77.824 | 77.824 | 1,112 |
| 2026-01-14 | 79.040 | 79.840 | 77.750 | 78.790 | 78.790 | 304 |
| 2026-01-13 | 82.000 | 82.500 | 79.270 | 79.270 | 79.270 | 952 |
| 2026-01-12 | 78.000 | 81.165 | 78.000 | 81.165 | 81.165 | 353 |
| 2026-01-09 | 82.530 | 82.970 | 79.364 | 79.364 | 79.364 | 3,028 |
| 2026-01-08 | 83.980 | 83.980 | 80.825 | 80.825 | 80.825 | 4,519 |
| 2026-01-07 | 81.780 | 86.074 | 81.770 | 83.725 | 83.725 | 1,739 |
| 2026-01-06 | 79.920 | 80.840 | 78.130 | 80.645 | 80.645 | 8,332 |
| 2026-01-05 | 79.610 | 79.610 | 76.502 | 76.790 | 76.790 | 519 |
| 2026-01-02 | 79.750 | 80.000 | 78.302 | 78.937 | 78.937 | 1,402 |
| 2025-12-31 | 79.970 | 79.970 | 79.160 | 79.471 | 79.471 | 36 |
| 2025-12-30 | 79.850 | 79.850 | 78.750 | 78.780 | 78.780 | 340 |
| 2025-12-29 | 79.425 | 79.970 | 79.180 | 79.970 | 79.970 | 433 |
| 2025-12-24 | 81.000 | 81.000 | 80.460 | 80.840 | 80.840 | 43 |
| 2025-12-23 | 80.610 | 81.820 | 79.790 | 79.790 | 79.790 | 73 |
| 2025-12-22 | 79.070 | 81.770 | 79.070 | 81.737 | 81.737 | 225 |
| 2025-12-19 | 77.600 | 79.240 | 77.600 | 79.240 | 79.240 | 50 |
| 2025-12-18 | 77.080 | 77.880 | 77.000 | 77.880 | 77.880 | 90 |
| 2025-12-17 | 78.770 | 79.180 | 77.990 | 78.520 | 78.520 | 12 |
| 2025-12-16 | 79.110 | 79.356 | 77.350 | 77.751 | 77.751 | 521 |
| 2025-12-15 | 79.360 | 80.790 | 79.360 | 80.210 | 80.210 | 57 |
| 2025-12-12 | 79.190 | 79.939 | 78.650 | 79.939 | 79.939 | 208 |
| 2025-12-11 | 78.620 | 79.620 | 78.130 | 79.490 | 79.490 | 23 |
| 2025-12-10 | 79.350 | 79.380 | 77.960 | 78.960 | 78.960 | 182 |
| 2025-12-09 | 80.120 | 80.990 | 78.970 | 79.310 | 79.310 | 206 |
| 2025-12-08 | 82.470 | 82.900 | 81.575 | 82.030 | 82.030 | 239 |
| 2025-12-05 | 82.020 | 82.510 | 80.860 | 81.650 | 81.650 | 272 |
| 2025-12-04 | 82.250 | 82.590 | 81.510 | 82.590 | 82.590 | 74 |
| 2025-12-03 | 81.930 | 83.000 | 81.660 | 82.486 | 82.486 | 323 |
| 2025-12-02 | 82.010 | 82.840 | 80.410 | 81.790 | 81.790 | 635 |
← NewerPage 4 of 4 · 227 trading days
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.