Ionis Pharmaceuticals, Inc. (IONS)
NASDAQ: IONS · Real-Time Price · USD
81.18
+2.84 (3.63%)
At close: Jun 26, 2026, 4:00 PM EDT
82.01
+0.83 (1.02%)
After-hours: Jun 26, 2026, 7:36 PM EDT
Ionis Pharmaceuticals Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Jun 26, 2026 | 78.80 | 82.63 | 78.80 | 81.18 | 81.18 | 3.63% | 3,828,250 |
| Jun 25, 2026 | 76.69 | 79.55 | 76.25 | 78.34 | 78.34 | 2.38% | 2,583,536 |
| Jun 24, 2026 | 76.40 | 79.00 | 76.04 | 76.52 | 76.52 | 0.70% | 2,485,706 |
| Jun 23, 2026 | 75.89 | 77.31 | 75.77 | 75.99 | 75.99 | 0.13% | 1,405,415 |
| Jun 22, 2026 | 74.85 | 76.56 | 74.12 | 75.89 | 75.89 | 2.39% | 1,956,125 |
| Jun 18, 2026 | 75.00 | 75.66 | 73.50 | 74.12 | 74.12 | -0.26% | 2,984,374 |
| Jun 17, 2026 | 73.09 | 75.12 | 72.55 | 74.31 | 74.31 | 1.67% | 1,788,351 |
| Jun 16, 2026 | 73.93 | 73.96 | 72.30 | 73.09 | 73.09 | -1.18% | 1,801,390 |
| Jun 15, 2026 | 73.49 | 74.27 | 72.88 | 73.96 | 73.96 | 0.93% | 1,506,352 |
| Jun 12, 2026 | 73.82 | 74.35 | 72.57 | 73.28 | 73.28 | -0.74% | 1,964,868 |
| Jun 11, 2026 | 73.34 | 74.48 | 72.76 | 73.82 | 73.82 | 0.68% | 2,234,438 |
| 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% | 1,568,661 |
| Jun 8, 2026 | 74.33 | 74.43 | 73.14 | 73.54 | 73.54 | -1.26% | 1,620,750 |
| Jun 5, 2026 | 75.24 | 75.96 | 73.81 | 74.48 | 74.48 | -0.87% | 1,982,003 |
| Jun 4, 2026 | 74.01 | 75.88 | 73.82 | 75.13 | 75.13 | 1.77% | 1,241,131 |
| Jun 3, 2026 | 72.68 | 74.12 | 72.02 | 73.82 | 73.82 | 1.16% | 1,303,889 |
| Jun 2, 2026 | 74.85 | 75.23 | 72.56 | 72.97 | 72.97 | -3.20% | 2,086,205 |
| Jun 1, 2026 | 75.67 | 76.19 | 74.70 | 75.38 | 75.38 | -1.46% | 1,467,682 |
| May 29, 2026 | 77.54 | 78.10 | 76.39 | 76.50 | 76.50 | -1.07% | 1,675,660 |
| May 28, 2026 | 76.58 | 78.00 | 75.34 | 77.33 | 77.33 | 1.10% | 1,603,088 |
| May 27, 2026 | 76.24 | 77.40 | 76.23 | 76.49 | 76.49 | 0.55% | 1,341,369 |
| May 26, 2026 | 76.00 | 76.74 | 74.73 | 76.07 | 76.07 | 0.67% | 1,279,224 |
| May 22, 2026 | 75.71 | 76.80 | 75.00 | 75.56 | 75.56 | -0.29% | 1,579,206 |
| May 21, 2026 | 74.76 | 76.48 | 74.21 | 75.78 | 75.78 | 0.96% | 2,295,157 |
| May 20, 2026 | 74.67 | 75.69 | 73.97 | 75.06 | 75.06 | 1.65% | 2,005,309 |
| May 19, 2026 | 72.76 | 74.15 | 72.00 | 73.84 | 73.84 | 1.82% | 1,519,490 |
| May 18, 2026 | 74.58 | 74.79 | 71.93 | 72.52 | 72.52 | -2.30% | 2,211,491 |
| 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 |
| Apr 1, 2026 | 75.70 | 76.48 | 74.80 | 75.13 | 75.13 | 0.05% | 1,664,978 |
| Mar 31, 2026 | 73.64 | 75.92 | 73.45 | 75.09 | 75.09 | 3.54% | 1,852,352 |
| Mar 30, 2026 | 73.12 | 73.21 | 71.48 | 72.52 | 72.52 | 0.51% | 2,045,479 |
| Mar 27, 2026 | 74.00 | 74.05 | 71.87 | 72.15 | 72.15 | -2.82% | 1,948,364 |
| Mar 26, 2026 | 72.25 | 75.63 | 70.50 | 74.24 | 74.24 | 2.12% | 3,884,070 |
| Mar 25, 2026 | 70.68 | 73.61 | 70.68 | 72.70 | 72.70 | 4.33% | 2,994,308 |
| Mar 24, 2026 | 70.27 | 70.64 | 68.90 | 69.68 | 69.68 | -1.57% | 1,844,404 |
| Mar 23, 2026 | 72.25 | 73.15 | 70.67 | 70.79 | 70.79 | -0.28% | 2,198,127 |
| Mar 20, 2026 | 71.51 | 72.59 | 70.50 | 70.99 | 70.99 | -0.46% | 2,920,652 |
| Mar 19, 2026 | 71.40 | 71.94 | 70.51 | 71.32 | 71.32 | -0.49% | 2,247,918 |
| Mar 18, 2026 | 71.84 | 72.30 | 70.92 | 71.67 | 71.67 | -0.91% | 2,180,298 |
| Mar 17, 2026 | 72.35 | 73.30 | 71.92 | 72.33 | 72.33 | -0.01% | 1,985,030 |
| Mar 16, 2026 | 71.58 | 72.88 | 71.29 | 72.34 | 72.34 | 1.62% | 3,231,515 |
| Mar 13, 2026 | 73.21 | 74.16 | 70.42 | 71.19 | 71.19 | -1.59% | 1,972,137 |
| Mar 12, 2026 | 74.30 | 74.30 | 72.01 | 72.34 | 72.34 | -3.28% | 2,461,797 |
| Mar 11, 2026 | 75.15 | 76.00 | 74.54 | 74.79 | 74.79 | -1.15% | 1,895,367 |
| Mar 10, 2026 | 75.36 | 77.03 | 74.51 | 75.66 | 75.66 | 0.40% | 2,785,714 |
| Mar 9, 2026 | 73.50 | 75.63 | 73.45 | 75.36 | 75.36 | 1.78% | 3,215,157 |
| Mar 6, 2026 | 73.97 | 75.16 | 73.15 | 74.04 | 74.04 | -1.49% | 1,904,239 |
| Mar 5, 2026 | 78.16 | 79.04 | 74.27 | 75.16 | 75.16 | -5.40% | 2,969,830 |
| Mar 4, 2026 | 79.16 | 80.07 | 77.67 | 79.45 | 79.45 | 1.00% | 2,503,118 |
| Mar 3, 2026 | 80.42 | 81.40 | 78.50 | 78.66 | 78.66 | -4.03% | 2,045,143 |
| Mar 2, 2026 | 79.27 | 82.75 | 79.27 | 81.96 | 81.96 | 1.00% | 3,098,359 |
| Feb 27, 2026 | 80.59 | 82.10 | 80.06 | 81.15 | 81.15 | 0.68% | 2,773,689 |
| Feb 26, 2026 | 80.32 | 82.44 | 78.92 | 80.60 | 80.60 | -0.41% | 3,330,043 |
| Feb 25, 2026 | 81.75 | 85.12 | 80.47 | 80.93 | 80.93 | -5.29% | 3,188,709 |
| Feb 24, 2026 | 84.66 | 85.47 | 83.45 | 85.45 | 85.45 | 1.00% | 2,384,832 |
| Feb 23, 2026 | 82.71 | 84.96 | 82.71 | 84.60 | 84.60 | 1.74% | 1,724,186 |
| Feb 20, 2026 | 82.85 | 83.63 | 81.64 | 83.15 | 83.15 | 0.01% | 2,832,477 |
| Feb 19, 2026 | 81.50 | 83.34 | 80.39 | 83.15 | 83.15 | 1.13% | 2,023,972 |
| Feb 18, 2026 | 81.26 | 83.06 | 80.98 | 82.22 | 82.22 | 1.06% | 1,950,099 |
| Feb 17, 2026 | 80.30 | 82.53 | 80.23 | 81.36 | 81.36 | 0.94% | 1,889,525 |
| Feb 13, 2026 | 81.18 | 82.56 | 79.78 | 80.60 | 80.60 | -1.44% | 1,931,201 |
| Feb 12, 2026 | 84.20 | 84.91 | 81.20 | 81.78 | 81.78 | -3.05% | 1,734,659 |
| Feb 11, 2026 | 84.19 | 84.96 | 82.00 | 84.35 | 84.35 | 0.07% | 1,104,176 |
| Feb 10, 2026 | 84.49 | 84.81 | 83.57 | 84.29 | 84.29 | -0.59% | 1,382,673 |
| Feb 9, 2026 | 86.13 | 86.49 | 84.61 | 84.79 | 84.79 | -1.98% | 1,738,204 |
| Feb 6, 2026 | 84.85 | 86.59 | 84.18 | 86.50 | 86.50 | 3.62% | 1,996,521 |
| Feb 5, 2026 | 84.51 | 86.74 | 82.89 | 83.48 | 83.48 | -1.78% | 2,677,732 |
| 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% | 1,461,130 |