Ionis Pharmaceuticals, Inc. (IONS)
NASDAQ: IONS · Real-Time Price · USD
73.28
-0.54 (-0.74%)
At close: Jun 12, 2026, 4:00 PM EDT
73.75
+0.47 (0.65%)
After-hours: Jun 12, 2026, 6:39 PM EDT
Ionis Pharmaceuticals Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 12, 2026 | 73.82 | 74.35 | 72.57 | 73.28 | 73.28 | -0.74% | 1,964,856 |
| Jun 11, 2026 | 73.34 | 74.48 | 72.76 | 73.82 | 73.82 | 0.68% | 2,234,320 |
| 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% | 1,568,651 |
| Jun 8, 2026 | 74.33 | 74.43 | 73.14 | 73.54 | 73.54 | -1.26% | 1,620,587 |
| Jun 5, 2026 | 75.24 | 75.96 | 73.81 | 74.48 | 74.48 | -0.87% | 1,981,989 |
| Jun 4, 2026 | 74.01 | 75.88 | 73.82 | 75.13 | 75.13 | 1.77% | 1,240,811 |
| Jun 3, 2026 | 72.68 | 74.12 | 72.02 | 73.82 | 73.82 | 1.16% | 1,303,877 |
| Jun 2, 2026 | 74.85 | 75.23 | 72.56 | 72.97 | 72.97 | -3.20% | 2,080,908 |
| Jun 1, 2026 | 75.67 | 76.19 | 74.70 | 75.38 | 75.38 | -1.46% | 1,465,450 |
| May 29, 2026 | 77.54 | 78.10 | 76.39 | 76.50 | 76.50 | -1.07% | 1,673,212 |
| May 28, 2026 | 76.58 | 78.00 | 75.34 | 77.33 | 77.33 | 1.10% | 1,592,739 |
| May 27, 2026 | 76.24 | 77.40 | 76.23 | 76.49 | 76.49 | 0.55% | 1,341,291 |
| May 26, 2026 | 76.00 | 76.74 | 74.73 | 76.07 | 76.07 | 0.67% | 895,721 |
| May 22, 2026 | 75.71 | 76.80 | 75.00 | 75.56 | 75.56 | -0.29% | 1,569,270 |
| May 21, 2026 | 74.76 | 76.48 | 74.21 | 75.78 | 75.78 | 0.96% | 2,264,442 |
| May 20, 2026 | 74.67 | 75.69 | 73.97 | 75.06 | 75.06 | 1.65% | 2,002,545 |
| May 19, 2026 | 72.76 | 74.15 | 72.00 | 73.84 | 73.84 | 1.82% | 1,501,368 |
| May 18, 2026 | 74.58 | 74.79 | 71.93 | 72.52 | 72.52 | -2.30% | 2,211,402 |
| May 15, 2026 | 75.89 | 75.93 | 73.32 | 74.23 | 74.23 | -1.92% | 2,119,183 |
| May 14, 2026 | 79.00 | 79.19 | 75.31 | 75.68 | 75.68 | -2.47% | 1,798,305 |
| May 13, 2026 | 75.67 | 78.03 | 75.08 | 77.60 | 77.60 | 2.33% | 1,360,373 |
| May 12, 2026 | 76.03 | 77.13 | 75.38 | 75.83 | 75.83 | 0.60% | 1,408,887 |
| May 11, 2026 | 76.03 | 77.01 | 74.85 | 75.38 | 75.38 | -0.44% | 1,533,667 |
| May 8, 2026 | 76.45 | 77.40 | 75.24 | 75.71 | 75.71 | -0.41% | 1,656,234 |
| May 7, 2026 | 76.56 | 76.56 | 74.87 | 76.02 | 76.02 | -1.08% | 1,885,704 |
| May 6, 2026 | 75.62 | 77.42 | 75.29 | 76.85 | 76.85 | 2.13% | 1,799,880 |
| May 5, 2026 | 75.84 | 76.96 | 74.82 | 75.25 | 75.25 | -0.27% | 850,248 |
| May 4, 2026 | 75.28 | 76.00 | 74.47 | 75.45 | 75.45 | 0.23% | 1,689,516 |
| May 1, 2026 | 74.86 | 76.17 | 72.94 | 75.28 | 75.28 | 0.70% | 1,821,465 |
| Apr 30, 2026 | 74.91 | 77.76 | 73.81 | 74.76 | 74.76 | -0.09% | 2,430,344 |
| Apr 29, 2026 | 72.06 | 74.96 | 71.30 | 74.83 | 74.83 | 4.25% | 3,675,234 |
| Apr 28, 2026 | 72.71 | 73.10 | 71.18 | 71.78 | 71.78 | -0.62% | 2,396,291 |
| Apr 27, 2026 | 74.04 | 75.10 | 72.21 | 72.23 | 72.23 | -1.42% | 2,311,634 |
| Apr 24, 2026 | 74.09 | 74.51 | 72.33 | 73.27 | 73.27 | -1.11% | 1,817,367 |
| Apr 23, 2026 | 74.96 | 76.06 | 73.23 | 74.09 | 74.09 | -0.99% | 1,377,408 |
| Apr 22, 2026 | 75.22 | 75.44 | 74.00 | 74.83 | 74.83 | 0.07% | 2,024,007 |
| Apr 21, 2026 | 75.87 | 75.96 | 73.80 | 74.78 | 74.78 | -0.12% | 1,818,784 |
| Apr 20, 2026 | 75.50 | 75.62 | 74.58 | 74.87 | 74.87 | -1.11% | 1,106,829 |
| Apr 17, 2026 | 75.66 | 76.33 | 74.95 | 75.71 | 75.71 | 0.60% | 1,719,446 |
| Apr 16, 2026 | 76.42 | 76.53 | 73.91 | 75.26 | 75.26 | -2.03% | 1,873,899 |
| Apr 15, 2026 | 77.10 | 77.18 | 75.77 | 76.82 | 76.82 | 0.08% | 1,288,372 |
| Apr 14, 2026 | 74.88 | 77.38 | 74.88 | 76.76 | 76.76 | 2.41% | 1,595,277 |
| Apr 13, 2026 | 75.17 | 77.17 | 74.56 | 74.95 | 74.95 | -0.29% | 1,650,871 |
| Apr 10, 2026 | 77.02 | 77.15 | 74.53 | 75.17 | 75.17 | -1.65% | 1,581,578 |
| Apr 9, 2026 | 74.98 | 76.97 | 74.62 | 76.43 | 76.43 | 1.93% | 1,200,978 |
| Apr 8, 2026 | 76.07 | 76.48 | 74.30 | 74.98 | 74.98 | 1.48% | 1,266,771 |
| Apr 7, 2026 | 74.05 | 74.27 | 72.42 | 73.89 | 73.89 | -0.59% | 1,118,312 |
| Apr 6, 2026 | 74.54 | 75.48 | 73.56 | 74.33 | 74.33 | -0.62% | 1,440,939 |
| Apr 2, 2026 | 73.74 | 75.13 | 73.35 | 74.79 | 74.79 | -0.45% | 1,791,632 |