Ionis Pharmaceuticals, Inc. (IONS)
NASDAQ: IONS · Real-Time Price · USD
74.65
+0.60 (0.82%)
Mar 9, 2026, 2:42 PM EDT - Market open
Ionis Pharmaceuticals Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Mar 9, 2026 | 73.50 | 75.63 | 73.45 | 75.26 | - | 1.65% | 1,665,121 |
| Mar 6, 2026 | 73.97 | 75.16 | 73.15 | 74.04 | 74.04 | -1.49% | 1,856,692 |
| Mar 5, 2026 | 78.16 | 79.04 | 74.27 | 75.16 | 75.16 | -5.40% | 2,969,443 |
| Mar 4, 2026 | 79.16 | 80.07 | 77.67 | 79.45 | 79.45 | 1.00% | 2,493,981 |
| Mar 3, 2026 | 80.42 | 81.40 | 78.50 | 78.66 | 78.66 | -4.03% | 2,032,704 |
| Mar 2, 2026 | 79.27 | 82.75 | 79.27 | 81.96 | 81.96 | 1.00% | 3,039,935 |
| Feb 27, 2026 | 80.59 | 82.10 | 80.06 | 81.15 | 81.15 | 0.68% | 2,758,328 |
| Feb 26, 2026 | 80.32 | 82.44 | 78.92 | 80.60 | 80.60 | -0.41% | 3,315,282 |
| Feb 25, 2026 | 81.75 | 85.12 | 80.47 | 80.93 | 80.93 | -5.29% | 3,159,711 |
| Feb 24, 2026 | 84.66 | 85.47 | 83.45 | 85.45 | 85.45 | 1.00% | 2,139,683 |
| Feb 23, 2026 | 82.71 | 84.96 | 82.71 | 84.60 | 84.60 | 1.74% | 1,714,165 |
| Feb 20, 2026 | 82.85 | 83.63 | 81.64 | 83.15 | 83.15 | 0.01% | 2,806,529 |
| Feb 19, 2026 | 81.50 | 83.34 | 80.39 | 83.15 | 83.15 | 1.13% | 1,987,861 |
| Feb 18, 2026 | 81.26 | 83.06 | 80.98 | 82.22 | 82.22 | 1.06% | 1,949,753 |
| Feb 17, 2026 | 80.30 | 82.53 | 80.23 | 81.36 | 81.36 | 0.94% | 1,889,517 |
| Feb 13, 2026 | 81.18 | 82.56 | 79.78 | 80.60 | 80.60 | -1.44% | 1,887,352 |
| Feb 12, 2026 | 84.20 | 84.91 | 81.20 | 81.78 | 81.78 | -3.05% | 1,700,962 |
| Feb 11, 2026 | 84.19 | 84.96 | 82.00 | 84.35 | 84.35 | 0.07% | 1,104,153 |
| Feb 10, 2026 | 84.49 | 84.81 | 83.57 | 84.29 | 84.29 | -0.59% | 1,381,597 |
| Feb 9, 2026 | 86.13 | 86.49 | 84.61 | 84.79 | 84.79 | -1.98% | 1,737,903 |
| Feb 6, 2026 | 84.85 | 86.59 | 84.18 | 86.50 | 86.50 | 3.62% | 1,835,775 |
| Feb 5, 2026 | 84.51 | 86.74 | 82.89 | 83.48 | 83.48 | -1.78% | 2,677,707 |
| Feb 4, 2026 | 85.72 | 85.95 | 82.55 | 84.99 | 84.99 | 0.47% | 3,010,014 |
| Feb 3, 2026 | 83.00 | 85.45 | 83.00 | 84.59 | 84.59 | 1.83% | 1,453,042 |
| Feb 2, 2026 | 82.54 | 83.35 | 81.90 | 83.07 | 83.07 | 0.48% | 1,783,020 |
| Jan 30, 2026 | 83.48 | 83.70 | 82.21 | 82.67 | 82.67 | -1.44% | 2,518,439 |
| Jan 29, 2026 | 82.38 | 84.30 | 81.90 | 83.88 | 83.88 | 2.39% | 1,596,390 |
| Jan 28, 2026 | 81.92 | 82.63 | 81.63 | 81.92 | 81.92 | -0.27% | 1,626,297 |
| Jan 27, 2026 | 81.01 | 82.52 | 81.01 | 82.14 | 82.14 | 1.41% | 2,259,730 |
| Jan 26, 2026 | 79.49 | 81.28 | 79.24 | 81.00 | 81.00 | 0.89% | 1,690,116 |
| Jan 23, 2026 | 81.71 | 82.20 | 79.11 | 80.29 | 80.29 | -1.84% | 2,128,921 |
| Jan 22, 2026 | 79.62 | 82.19 | 78.89 | 81.79 | 81.79 | 2.96% | 3,695,674 |
| Jan 21, 2026 | 77.09 | 79.54 | 77.01 | 79.44 | 79.44 | 2.46% | 3,298,663 |
| Jan 20, 2026 | 75.03 | 77.99 | 74.20 | 77.53 | 77.53 | 1.57% | 4,894,345 |
| Jan 16, 2026 | 77.15 | 78.00 | 74.49 | 76.33 | 76.33 | -1.14% | 3,000,587 |
| Jan 15, 2026 | 79.25 | 79.75 | 77.15 | 77.21 | 77.21 | -2.10% | 1,409,021 |
| Jan 14, 2026 | 79.04 | 79.57 | 77.69 | 78.87 | 78.87 | -0.77% | 2,121,498 |
| Jan 13, 2026 | 82.24 | 82.57 | 78.61 | 79.48 | 79.48 | -2.67% | 1,885,179 |
| Jan 12, 2026 | 80.50 | 82.21 | 78.88 | 81.66 | 81.66 | 1.69% | 1,570,607 |
| Jan 9, 2026 | 82.17 | 83.23 | 79.30 | 80.30 | 80.30 | -1.52% | 2,668,760 |
| Jan 8, 2026 | 83.17 | 83.79 | 79.95 | 81.54 | 81.54 | -1.96% | 2,051,548 |
| Jan 7, 2026 | 82.50 | 86.15 | 82.40 | 83.17 | 83.17 | 2.06% | 3,889,646 |
| Jan 6, 2026 | 78.89 | 81.54 | 78.00 | 81.49 | 81.49 | 3.77% | 2,651,738 |
| Jan 5, 2026 | 79.18 | 79.42 | 76.08 | 78.53 | 78.53 | -1.43% | 1,448,687 |
| Jan 2, 2026 | 79.88 | 80.21 | 78.02 | 79.67 | 79.67 | 0.71% | 1,400,448 |
| Dec 31, 2025 | 78.78 | 79.84 | 78.63 | 79.11 | 79.11 | 0.18% | 1,096,900 |
| Dec 30, 2025 | 79.50 | 79.99 | 78.52 | 78.97 | 78.97 | -1.26% | 1,146,166 |
| Dec 29, 2025 | 79.73 | 80.04 | 78.74 | 79.98 | 79.98 | 0.06% | 1,077,894 |
| Dec 26, 2025 | 80.15 | 80.42 | 79.18 | 79.93 | 79.93 | -0.89% | 725,281 |
| Dec 24, 2025 | 80.33 | 81.02 | 80.33 | 80.65 | 80.65 | 0.40% | 480,227 |
| Dec 23, 2025 | 80.61 | 81.84 | 79.63 | 80.33 | 80.33 | -1.24% | 1,229,924 |
| Dec 22, 2025 | 79.26 | 82.09 | 79.09 | 81.34 | 81.34 | 2.22% | 2,257,844 |
| Dec 19, 2025 | 77.80 | 79.83 | 77.63 | 79.57 | 79.57 | 2.50% | 3,557,484 |
| Dec 18, 2025 | 77.39 | 78.16 | 76.70 | 77.63 | 77.63 | 0.71% | 1,765,565 |
| Dec 17, 2025 | 78.77 | 79.49 | 77.07 | 77.08 | 77.08 | -1.65% | 2,146,201 |
| Dec 16, 2025 | 79.41 | 79.56 | 77.16 | 78.37 | 78.37 | -1.74% | 1,959,742 |
| Dec 15, 2025 | 80.35 | 81.00 | 79.31 | 79.76 | 79.76 | -1.31% | 1,977,626 |
| Dec 12, 2025 | 79.19 | 80.92 | 78.51 | 80.82 | 80.82 | 2.12% | 1,468,893 |
| Dec 11, 2025 | 78.63 | 79.86 | 78.05 | 79.14 | 79.14 | 0.65% | 2,052,200 |
| Dec 10, 2025 | 79.38 | 79.71 | 77.79 | 78.63 | 78.63 | -0.29% | 2,659,323 |
| Dec 9, 2025 | 80.55 | 81.23 | 78.32 | 78.86 | 78.86 | -3.25% | 1,866,337 |
| Dec 8, 2025 | 82.12 | 82.86 | 81.18 | 81.51 | 81.51 | -0.21% | 1,553,583 |
| Dec 5, 2025 | 82.19 | 82.44 | 80.64 | 81.68 | 81.68 | -0.16% | 1,714,986 |
| Dec 4, 2025 | 81.90 | 83.61 | 81.45 | 81.81 | 81.81 | -0.04% | 2,317,827 |
| Dec 3, 2025 | 81.70 | 83.09 | 80.98 | 81.84 | 81.84 | 0.65% | 2,531,161 |
| Dec 2, 2025 | 82.38 | 82.69 | 80.00 | 81.31 | 81.31 | -0.83% | 2,454,566 |
| Dec 1, 2025 | 82.03 | 82.27 | 80.11 | 81.99 | 81.99 | -0.89% | 1,865,505 |
| Nov 28, 2025 | 82.59 | 82.95 | 81.67 | 82.73 | 82.73 | 0.04% | 852,943 |
| Nov 26, 2025 | 81.15 | 82.91 | 80.75 | 82.70 | 82.70 | 2.19% | 2,955,547 |
| Nov 25, 2025 | 78.52 | 81.20 | 78.33 | 80.93 | 80.93 | 3.07% | 2,543,172 |
| Nov 24, 2025 | 76.34 | 78.79 | 76.16 | 78.52 | 78.52 | 3.19% | 3,217,036 |
| Nov 21, 2025 | 73.00 | 76.31 | 73.00 | 76.09 | 76.09 | 4.06% | 2,076,032 |
| Nov 20, 2025 | 74.17 | 75.40 | 72.50 | 73.12 | 73.12 | -1.19% | 3,208,760 |
| Nov 19, 2025 | 74.55 | 75.00 | 71.83 | 74.00 | 74.00 | -0.67% | 3,620,815 |
| Nov 18, 2025 | 72.81 | 74.52 | 71.99 | 74.50 | 74.50 | 1.69% | 2,056,681 |
| Nov 17, 2025 | 70.70 | 74.42 | 70.70 | 73.26 | 73.26 | 2.39% | 3,504,705 |
| Nov 14, 2025 | 69.66 | 72.54 | 68.90 | 71.55 | 71.55 | 2.45% | 3,372,265 |
| Nov 13, 2025 | 72.56 | 73.05 | 68.22 | 69.84 | 69.84 | -3.89% | 11,502,846 |
| Nov 12, 2025 | 71.19 | 74.50 | 70.40 | 72.67 | 72.67 | 0.30% | 5,067,958 |
| Nov 11, 2025 | 69.32 | 72.79 | 68.55 | 72.45 | 72.45 | 4.18% | 2,268,649 |
| Nov 10, 2025 | 70.05 | 71.49 | 66.66 | 69.54 | 69.54 | -5.45% | 4,399,684 |
| Nov 7, 2025 | 73.58 | 75.00 | 72.36 | 73.55 | 73.55 | -0.74% | 2,332,419 |
| Nov 6, 2025 | 74.58 | 76.78 | 73.91 | 74.10 | 74.10 | -0.78% | 2,424,206 |
| Nov 5, 2025 | 72.14 | 75.08 | 71.48 | 74.68 | 74.68 | 2.47% | 2,259,305 |
| Nov 4, 2025 | 72.40 | 74.21 | 72.40 | 72.88 | 72.88 | -1.05% | 1,726,391 |
| Nov 3, 2025 | 74.77 | 75.25 | 71.95 | 73.65 | 73.65 | -0.87% | 2,576,035 |
| Oct 31, 2025 | 74.50 | 75.49 | 74.02 | 74.30 | 74.30 | 0.18% | 2,395,612 |
| Oct 30, 2025 | 71.91 | 74.70 | 71.66 | 74.17 | 74.17 | 3.19% | 2,177,727 |
| Oct 29, 2025 | 72.37 | 74.05 | 71.14 | 71.88 | 71.88 | -2.30% | 2,164,198 |
| Oct 28, 2025 | 72.99 | 74.04 | 72.50 | 73.57 | 73.57 | 0.79% | 2,559,568 |
| Oct 27, 2025 | 72.03 | 73.27 | 71.46 | 72.99 | 72.99 | 3.01% | 1,842,613 |
| Oct 24, 2025 | 72.39 | 72.44 | 70.22 | 70.86 | 70.86 | -0.90% | 1,990,370 |
| Oct 23, 2025 | 71.69 | 72.44 | 71.05 | 71.50 | 71.50 | - | 1,605,852 |
| Oct 22, 2025 | 71.23 | 71.98 | 70.60 | 71.50 | 71.50 | -0.20% | 1,508,356 |
| Oct 21, 2025 | 72.94 | 73.20 | 70.47 | 71.64 | 71.64 | -2.60% | 2,529,928 |
| Oct 20, 2025 | 73.55 | 73.69 | 72.30 | 73.55 | 73.55 | 0.63% | 1,395,624 |
| Oct 17, 2025 | 72.96 | 74.02 | 72.32 | 73.09 | 73.09 | 0.03% | 1,310,772 |
| Oct 16, 2025 | 73.12 | 74.42 | 72.07 | 73.07 | 73.07 | 0.94% | 1,739,636 |
| Oct 15, 2025 | 71.42 | 73.92 | 71.24 | 72.39 | 72.39 | 1.43% | 3,234,234 |
| Oct 14, 2025 | 70.59 | 72.15 | 70.08 | 71.37 | 71.37 | 1.10% | 1,264,896 |