IONS Historical Prices
Ionis Pharmaceuticals, Inc. Common Stock · daily open, high, low, close & volume
Trading days
249
Period high
86.74
Period low
38.30
Period change
-43.31%
| Date | Open | High | Low | Close | Change | Volume |
|---|---|---|---|---|---|---|
| Nov 6, 2026 | 39.02 | 40.00 | 38.53 | 39.42 | +1.60% | 2,911,841 |
| Nov 5, 2026 | 40.31 | 40.50 | 38.30 | 38.80 | -3.36% | 2,977,599 |
| Nov 4, 2026 | 41.38 | 41.52 | 39.33 | 40.15 | -0.67% | 4,101,901 |
| Nov 3, 2026 | 41.26 | 41.83 | 40.26 | 40.42 | -1.99% | 4,012,031 |
| Nov 2, 2026 | 43.66 | 43.91 | 41.19 | 41.24 | -5.24% | 2,562,691 |
| Oct 30, 2026 | 44.69 | 45.12 | 43.27 | 43.52 | -1.96% | 1,522,193 |
| Oct 29, 2026 | 45.57 | 45.84 | 44.04 | 44.39 | -1.14% | 1,833,850 |
| Oct 28, 2026 | 43.16 | 44.95 | 43.05 | 44.90 | +2.14% | 1,724,241 |
| Oct 27, 2026 | 43.23 | 44.10 | 43.02 | 43.96 | +1.24% | 2,376,843 |
| Oct 26, 2026 | 43.00 | 43.92 | 42.76 | 43.42 | +1.14% | 4,013,215 |
| Oct 23, 2026 | 43.80 | 43.80 | 42.58 | 42.93 | -2.23% | 3,015,009 |
| Oct 22, 2026 | 45.02 | 45.15 | 43.41 | 43.91 | -0.81% | 5,012,020 |
| Oct 21, 2026 | 45.55 | 45.76 | 44.26 | 44.27 | -2.49% | 2,268,541 |
| Oct 20, 2026 | 44.45 | 45.48 | 44.01 | 45.40 | +2.30% | 2,487,411 |
| Oct 19, 2026 | 43.33 | 44.54 | 43.00 | 44.38 | +3.35% | 3,109,987 |
| Oct 16, 2026 | 44.53 | 44.65 | 42.80 | 42.94 | -2.67% | 1,674,885 |
| Oct 15, 2026 | 43.58 | 44.71 | 43.42 | 44.12 | +3.33% | 2,529,701 |
| Oct 14, 2026 | 42.22 | 43.47 | 42.08 | 42.70 | +0.76% | 2,027,744 |
| Oct 13, 2026 | 43.55 | 43.58 | 42.36 | 42.38 | -2.95% | 2,983,580 |
| Oct 12, 2026 | 45.37 | 45.45 | 43.62 | 43.67 | -3.56% | 1,950,360 |
| Oct 9, 2026 | 43.21 | 45.72 | 43.12 | 45.28 | +4.57% | 4,862,321 |
| Oct 8, 2026 | 43.76 | 44.19 | 42.79 | 43.30 | -1.95% | 3,349,331 |
| Oct 7, 2026 | 43.75 | 44.26 | 43.53 | 44.16 | +0.36% | 2,943,621 |
| Oct 6, 2026 | 44.19 | 44.66 | 43.17 | 44.00 | +1.15% | 2,242,334 |
| Oct 5, 2026 | 43.75 | 43.96 | 42.63 | 43.50 | -0.09% | 2,871,833 |
| Oct 2, 2026 | 44.17 | 44.17 | 43.24 | 43.54 | -1.05% | 2,321,245 |
| Oct 1, 2026 | 44.63 | 45.95 | 43.96 | 44.00 | -1.46% | 2,030,330 |
| Sep 30, 2026 | 46.07 | 46.24 | 44.60 | 44.65 | -2.70% | 2,630,198 |
| Sep 29, 2026 | 45.53 | 46.46 | 45.39 | 45.89 | +0.70% | 3,885,843 |
| Sep 28, 2026 | 44.56 | 46.95 | 44.06 | 45.57 | +2.40% | 3,742,303 |
| Sep 25, 2026 | 44.24 | 45.28 | 43.62 | 44.50 | +1.57% | 6,202,420 |
| Sep 24, 2026 | 43.77 | 44.60 | 43.25 | 43.81 | -0.27% | 6,448,796 |
| Sep 23, 2026 | 46.23 | 46.41 | 43.01 | 43.93 | -3.98% | 3,535,787 |
| Sep 22, 2026 | 44.96 | 46.13 | 44.44 | 45.75 | +1.89% | 4,236,217 |
| Sep 21, 2026 | 44.95 | 45.25 | 44.20 | 44.90 | +1.04% | 4,521,359 |
| Sep 18, 2026 | 46.75 | 46.75 | 44.27 | 44.44 | -4.94% | 7,369,359 |
| Sep 17, 2026 | 46.68 | 47.42 | 45.75 | 46.75 | +4.26% | 4,079,573 |
| Sep 16, 2026 | 47.38 | 47.59 | 44.66 | 44.84 | -5.10% | 7,958,201 |
| Sep 15, 2026 | 51.37 | 51.37 | 46.72 | 47.25 | -8.15% | 6,812,467 |
| Sep 14, 2026 | 54.88 | 55.50 | 51.31 | 51.44 | -5.11% | 6,153,038 |
| Sep 11, 2026 | 55.94 | 56.16 | 54.16 | 54.21 | -2.59% | 2,183,677 |
| Sep 10, 2026 | 55.75 | 55.77 | 54.91 | 55.65 | -0.66% | 3,057,162 |
| Sep 9, 2026 | 56.38 | 56.96 | 55.70 | 56.02 | -1.22% | 3,037,758 |
| Sep 8, 2026 | 52.15 | 57.43 | 52.15 | 56.71 | -2.38% | 9,175,666 |
| Sep 4, 2026 | 58.36 | 58.96 | 57.78 | 58.09 | -0.07% | 2,671,093 |
| Sep 3, 2026 | 60.42 | 60.42 | 57.47 | 58.13 | -5.22% | 4,347,909 |
| Sep 2, 2026 | 60.25 | 61.77 | 59.77 | 61.33 | +1.61% | 1,845,868 |
| Aug 31, 2026 | 61.06 | 61.06 | 59.70 | 60.36 | -1.13% | 2,017,174 |
| Aug 28, 2026 | 60.62 | 61.69 | 60.35 | 61.05 | -2.21% | 1,850,853 |
| Aug 27, 2026 | 63.48 | 63.48 | 62.34 | 62.43 | -1.47% | 1,625,582 |
| Aug 26, 2026 | 63.50 | 63.55 | 62.44 | 63.36 | -0.33% | 2,152,849 |
| Aug 25, 2026 | 62.53 | 64.19 | 62.19 | 63.57 | +2.47% | 2,435,241 |
| Aug 24, 2026 | 60.53 | 62.07 | 59.70 | 62.04 | +3.85% | 2,207,102 |
| Aug 21, 2026 | 59.64 | 60.91 | 59.06 | 59.74 | +1.67% | 2,723,907 |
| Aug 20, 2026 | 60.02 | 60.41 | 58.60 | 58.76 | -3.36% | 2,124,845 |
| Aug 19, 2026 | 60.11 | 61.35 | 59.61 | 60.80 | +1.98% | 3,137,536 |
| Aug 18, 2026 | 58.41 | 60.19 | 58.02 | 59.62 | +1.69% | 3,192,622 |
| Aug 17, 2026 | 57.11 | 58.74 | 56.41 | 58.63 | +2.43% | 2,000,183 |
| Aug 14, 2026 | 55.16 | 57.24 | 55.16 | 57.24 | +2.45% | 1,353,738 |
| Aug 13, 2026 | 56.50 | 56.81 | 55.56 | 55.87 | -1.17% | 1,220,461 |
| Aug 12, 2026 | 55.01 | 57.06 | 54.91 | 56.53 | +2.00% | 2,011,029 |
| Aug 11, 2026 | 56.79 | 57.16 | 55.37 | 55.42 | -2.67% | 2,407,129 |
| Aug 10, 2026 | 56.10 | 57.66 | 56.10 | 56.94 | +0.67% | 2,399,799 |
| Aug 7, 2026 | 54.73 | 56.60 | 54.40 | 56.56 | +3.80% | 2,009,278 |
| Aug 6, 2026 | 54.59 | 55.42 | 54.02 | 54.49 | +0.55% | 2,592,318 |
| Aug 5, 2026 | 55.17 | 55.36 | 53.58 | 54.19 | -1.60% | 2,122,261 |
| Aug 4, 2026 | 54.85 | 55.22 | 53.87 | 55.07 | +1.06% | 2,688,218 |
| Aug 3, 2026 | 52.66 | 54.54 | 52.16 | 54.49 | +5.25% | 3,205,252 |
| Jul 31, 2026 | 53.33 | 53.33 | 51.28 | 51.77 | -2.83% | 2,568,027 |
| Jul 30, 2026 | 53.92 | 54.04 | 52.65 | 53.28 | -1.41% | 2,875,353 |
| Jul 29, 2026 | 55.09 | 55.35 | 53.50 | 54.04 | -2.28% | 3,129,418 |
| Jul 28, 2026 | 56.56 | 56.56 | 54.00 | 55.30 | -1.18% | 2,805,275 |
| Jul 27, 2026 | 56.92 | 57.09 | 55.79 | 55.96 | -1.04% | 2,584,896 |
| Jul 24, 2026 | 56.32 | 57.36 | 56.19 | 56.55 | +1.22% | 3,094,732 |
| Jul 23, 2026 | 53.71 | 57.48 | 53.35 | 55.87 | +3.44% | 3,837,435 |
| Jul 22, 2026 | 51.16 | 54.06 | 50.01 | 54.01 | +1.16% | 8,748,267 |
| Jul 21, 2026 | 52.75 | 54.13 | 52.26 | 53.39 | +0.83% | 3,074,071 |
| Jul 20, 2026 | 54.47 | 54.80 | 52.82 | 52.95 | -2.65% | 2,195,065 |
| Jul 17, 2026 | 54.10 | 54.69 | 53.76 | 54.39 | -0.48% | 2,572,710 |
| Jul 16, 2026 | 53.95 | 55.98 | 53.38 | 54.65 | -0.15% | 3,805,260 |
| Jul 15, 2026 | 54.48 | 54.88 | 53.51 | 54.73 | -0.36% | 3,605,438 |
| Jul 14, 2026 | 55.80 | 56.45 | 54.53 | 54.93 | -3.21% | 4,650,288 |
| Jul 13, 2026 | 57.91 | 57.91 | 56.11 | 56.75 | -2.58% | 5,097,950 |
| Jul 10, 2026 | 64.27 | 64.44 | 58.20 | 58.25 | -9.37% | 11,607,907 |
| Jul 9, 2026 | 67.78 | 70.35 | 64.10 | 64.27 | -23.90% | 20,447,628 |
| Jul 8, 2026 | 85.56 | 86.74 | 83.92 | 84.46 | -2.17% | 2,280,835 |
| Jul 7, 2026 | 84.42 | 86.67 | 82.95 | 86.33 | +3.79% | 2,646,709 |
| Jul 6, 2026 | 82.11 | 84.01 | 81.19 | 83.18 | +1.69% | 1,847,439 |
| Jul 2, 2026 | 79.53 | 81.99 | 79.11 | 81.80 | +3.30% | 2,301,900 |
| Jul 1, 2026 | 79.13 | 79.48 | 77.95 | 79.19 | -0.13% | 1,442,194 |
| Jun 30, 2026 | 81.17 | 81.24 | 79.21 | 79.29 | -1.74% | 2,380,303 |
| Jun 29, 2026 | 81.00 | 82.53 | 79.95 | 80.69 | -0.60% | 2,806,624 |
| Jun 26, 2026 | 78.80 | 82.63 | 78.80 | 81.18 | +3.63% | 3,828,331 |
| Jun 25, 2026 | 76.69 | 79.55 | 76.25 | 78.34 | +2.38% | 2,583,539 |
| Jun 24, 2026 | 76.40 | 79.00 | 76.03 | 76.52 | +0.70% | 2,485,708 |
| Jun 23, 2026 | 75.89 | 77.31 | 75.77 | 75.99 | +0.13% | 1,405,417 |
| Jun 22, 2026 | 74.85 | 76.56 | 74.12 | 75.89 | +2.39% | 1,956,126 |
| Jun 18, 2026 | 75.00 | 75.66 | 73.50 | 74.12 | -0.26% | 2,984,376 |
| Jun 17, 2026 | 73.09 | 75.12 | 72.55 | 74.31 | +1.67% | 1,788,352 |
| Jun 16, 2026 | 73.93 | 73.95 | 72.30 | 73.09 | -1.18% | 1,801,391 |
| Jun 15, 2026 | 73.49 | 74.27 | 72.88 | 73.96 | +0.93% | 1,506,353 |
| Jun 12, 2026 | 73.82 | 74.35 | 72.57 | 73.28 | -0.74% | 1,964,868 |
| Jun 11, 2026 | 73.34 | 74.47 | 72.76 | 73.82 | +0.68% | 2,234,439 |
| Jun 10, 2026 | 74.43 | 75.85 | 72.83 | 73.32 | -1.69% | 1,595,746 |
| Jun 9, 2026 | 74.77 | 75.79 | 73.53 | 74.58 | +1.41% | 1,568,662 |
| Jun 8, 2026 | 74.33 | 74.43 | 73.14 | 73.54 | -1.26% | 1,620,750 |
| Jun 5, 2026 | 75.24 | 75.96 | 73.81 | 74.48 | -0.87% | 1,982,004 |
| Jun 4, 2026 | 74.01 | 75.88 | 73.82 | 75.13 | +1.77% | 1,241,132 |
| Jun 3, 2026 | 72.68 | 74.12 | 72.02 | 73.82 | +1.16% | 1,303,889 |
| Jun 2, 2026 | 74.85 | 75.22 | 72.56 | 72.97 | -3.20% | 2,086,206 |
| Jun 1, 2026 | 75.67 | 76.19 | 74.70 | 75.38 | -1.46% | 1,467,683 |
| May 29, 2026 | 77.54 | 78.10 | 76.39 | 76.50 | -1.07% | 1,675,661 |
| May 28, 2026 | 76.58 | 78.00 | 75.34 | 77.33 | +1.10% | 1,603,089 |
| May 27, 2026 | 76.24 | 77.40 | 76.23 | 76.49 | +0.55% | 1,458,671 |
| May 26, 2026 | 76.00 | 76.74 | 74.73 | 76.07 | +0.67% | 1,279,225 |
| May 22, 2026 | 75.71 | 76.80 | 75.00 | 75.56 | -0.29% | 1,579,206 |
| May 21, 2026 | 74.76 | 76.48 | 74.21 | 75.78 | +0.96% | 2,295,135 |
| May 20, 2026 | 74.67 | 75.69 | 73.97 | 75.06 | +1.65% | 2,005,310 |
| May 19, 2026 | 72.76 | 74.15 | 72.00 | 73.84 | +1.82% | 1,519,492 |
| May 18, 2026 | 74.58 | 74.78 | 71.93 | 72.52 | -2.30% | 2,211,491 |
| May 15, 2026 | 75.89 | 75.93 | 73.32 | 74.23 | -1.92% | 2,119,183 |
| May 14, 2026 | 79.00 | 79.19 | 75.31 | 75.68 | -2.47% | 1,798,306 |
| May 13, 2026 | 75.67 | 78.03 | 75.08 | 77.60 | +2.33% | 1,360,373 |
| May 12, 2026 | 76.03 | 77.13 | 75.38 | 75.83 | +0.60% | 1,408,888 |
| May 11, 2026 | 76.03 | 77.01 | 74.85 | 75.38 | -0.44% | 1,533,667 |
| May 8, 2026 | 76.45 | 77.40 | 75.24 | 75.71 | -0.41% | 1,656,234 |
| May 7, 2026 | 76.56 | 76.56 | 74.87 | 76.02 | -1.08% | 1,885,704 |
| May 6, 2026 | 75.62 | 77.42 | 75.29 | 76.85 | +2.13% | 1,799,881 |
| May 5, 2026 | 75.84 | 76.96 | 74.82 | 75.25 | -0.27% | 850,248 |
| May 4, 2026 | 75.28 | 76.00 | 74.47 | 75.45 | +0.23% | 1,689,518 |
| May 1, 2026 | 74.86 | 76.17 | 72.94 | 75.28 | +0.70% | 1,821,465 |
| Apr 30, 2026 | 74.91 | 77.76 | 73.81 | 74.76 | -0.09% | 2,430,345 |
| Apr 29, 2026 | 72.06 | 74.95 | 71.30 | 74.83 | +4.25% | 3,675,236 |
| Apr 28, 2026 | 72.71 | 73.10 | 71.17 | 71.78 | -0.62% | 2,396,263 |
| Apr 27, 2026 | 74.04 | 75.10 | 72.21 | 72.23 | -1.42% | 2,311,612 |
| Apr 24, 2026 | 74.09 | 74.51 | 72.33 | 73.27 | -1.11% | 1,817,368 |
| Apr 23, 2026 | 74.96 | 76.06 | 73.23 | 74.09 | -0.99% | 1,377,409 |
| Apr 22, 2026 | 75.22 | 75.44 | 74.00 | 74.83 | +0.07% | 2,024,007 |
| Apr 21, 2026 | 75.87 | 75.96 | 73.80 | 74.78 | -0.12% | 1,818,669 |
| Apr 20, 2026 | 75.50 | 75.62 | 74.58 | 74.87 | -1.11% | 1,106,829 |
| Apr 17, 2026 | 75.66 | 76.33 | 74.95 | 75.71 | +0.60% | 1,719,446 |
| Apr 16, 2026 | 76.42 | 76.53 | 73.91 | 75.26 | -2.03% | 1,873,900 |
| Apr 15, 2026 | 77.10 | 77.18 | 75.77 | 76.82 | +0.08% | 1,288,372 |
| Apr 14, 2026 | 74.88 | 77.38 | 74.88 | 76.76 | +2.41% | 1,595,278 |
| Apr 13, 2026 | 75.17 | 77.17 | 74.56 | 74.95 | -0.29% | 1,650,872 |
| Apr 10, 2026 | 77.02 | 77.14 | 74.53 | 75.17 | -1.65% | 1,581,559 |
| Apr 9, 2026 | 74.98 | 76.97 | 74.62 | 76.43 | +1.93% | 1,200,959 |
| Apr 8, 2026 | 76.07 | 76.48 | 74.30 | 74.98 | +1.48% | 1,266,771 |
| Apr 7, 2026 | 74.05 | 74.27 | 72.42 | 73.89 | -0.59% | 1,118,312 |
| Apr 6, 2026 | 74.54 | 75.47 | 73.56 | 74.33 | -0.62% | 1,440,940 |
| Apr 2, 2026 | 73.74 | 75.13 | 73.35 | 74.79 | -0.45% | 1,791,633 |
| Apr 1, 2026 | 75.70 | 76.48 | 74.79 | 75.13 | +0.05% | 1,664,978 |
| Mar 31, 2026 | 73.64 | 75.92 | 73.45 | 75.09 | +3.54% | 1,852,353 |
| Mar 30, 2026 | 73.12 | 73.21 | 71.48 | 72.52 | +0.51% | 2,045,480 |
| Mar 27, 2026 | 74.00 | 74.05 | 71.86 | 72.15 | -2.82% | 1,948,365 |
| Mar 26, 2026 | 72.25 | 75.63 | 70.50 | 74.24 | +2.12% | 3,884,071 |
| Mar 25, 2026 | 70.68 | 73.61 | 70.68 | 72.70 | +4.33% | 2,994,309 |
| Mar 24, 2026 | 70.27 | 70.64 | 68.90 | 69.68 | -1.57% | 1,844,404 |
| Mar 23, 2026 | 72.25 | 73.15 | 70.67 | 70.79 | -0.28% | 2,198,127 |
| Mar 20, 2026 | 71.51 | 72.59 | 70.50 | 70.99 | -0.46% | 2,919,281 |
| Mar 19, 2026 | 71.40 | 71.94 | 70.51 | 71.32 | -0.49% | 2,247,918 |
| Mar 18, 2026 | 71.84 | 72.30 | 70.92 | 71.67 | -0.91% | 2,180,298 |
| Mar 17, 2026 | 72.35 | 73.30 | 71.92 | 72.33 | -0.01% | 1,984,932 |
| Mar 16, 2026 | 71.58 | 72.88 | 71.29 | 72.34 | +1.62% | 3,231,516 |
| Mar 13, 2026 | 73.21 | 74.16 | 70.42 | 71.19 | -1.59% | 1,972,137 |
| Mar 12, 2026 | 74.30 | 74.30 | 72.01 | 72.34 | -3.28% | 2,461,798 |
| Mar 11, 2026 | 75.15 | 76.00 | 74.54 | 74.79 | -1.15% | 1,895,368 |
| Mar 10, 2026 | 75.36 | 77.03 | 74.51 | 75.66 | +0.40% | 2,785,714 |
| Mar 9, 2026 | 73.50 | 75.63 | 73.45 | 75.36 | +1.78% | 3,215,157 |
| Mar 6, 2026 | 73.97 | 75.16 | 73.15 | 74.04 | -1.49% | 1,904,239 |
| Mar 5, 2026 | 78.16 | 79.04 | 74.27 | 75.16 | -5.40% | 2,969,831 |
| Mar 4, 2026 | 79.16 | 80.06 | 77.67 | 79.45 | +1.00% | 2,503,119 |
| Mar 3, 2026 | 80.42 | 81.40 | 78.50 | 78.66 | -4.03% | 2,045,143 |
| Mar 2, 2026 | 79.27 | 82.75 | 79.27 | 81.96 | +1.00% | 3,098,359 |
| Feb 27, 2026 | 80.59 | 82.10 | 80.06 | 81.15 | +0.68% | 2,773,689 |
| Feb 26, 2026 | 80.32 | 82.44 | 78.92 | 80.60 | -0.41% | 3,330,044 |
| Feb 25, 2026 | 81.75 | 85.11 | 80.47 | 80.93 | -5.29% | 3,188,709 |
| Feb 24, 2026 | 84.66 | 85.47 | 83.45 | 85.45 | +1.00% | 2,384,832 |
| Feb 23, 2026 | 82.71 | 84.96 | 82.71 | 84.60 | +1.74% | 1,724,186 |
| Feb 20, 2026 | 82.85 | 83.63 | 81.64 | 83.15 | +0.01% | 2,832,477 |
| Feb 19, 2026 | 81.50 | 83.33 | 80.39 | 83.14 | +1.13% | 2,023,972 |
| Feb 18, 2026 | 81.26 | 83.06 | 80.98 | 82.22 | +1.06% | 1,950,099 |
| Feb 17, 2026 | 80.30 | 82.53 | 80.23 | 81.36 | +0.94% | 1,889,525 |
| Feb 13, 2026 | 81.18 | 82.56 | 79.78 | 80.60 | -1.44% | 1,931,201 |
| Feb 12, 2026 | 84.20 | 84.91 | 81.20 | 81.78 | -3.05% | 1,734,659 |
| Feb 11, 2026 | 84.19 | 84.96 | 82.00 | 84.35 | +0.07% | 1,104,176 |
| Feb 10, 2026 | 84.49 | 84.81 | 83.57 | 84.29 | -0.59% | 1,382,673 |
| Feb 9, 2026 | 86.13 | 86.49 | 84.61 | 84.79 | -1.98% | 1,738,204 |
| Feb 6, 2026 | 84.85 | 86.59 | 84.17 | 86.50 | +3.62% | 1,996,521 |
| Feb 5, 2026 | 84.51 | 86.74 | 82.89 | 83.48 | -1.78% | 2,677,732 |
| Feb 4, 2026 | 85.72 | 85.95 | 82.55 | 84.99 | +0.47% | 3,010,014 |
| Feb 3, 2026 | 83.00 | 85.45 | 83.00 | 84.59 | +1.83% | 1,461,130 |
| Feb 2, 2026 | 82.54 | 83.35 | 81.90 | 83.07 | +0.48% | 1,788,931 |
| Jan 30, 2026 | 83.48 | 83.70 | 82.21 | 82.67 | -1.44% | 2,518,439 |
| Jan 29, 2026 | 82.38 | 84.30 | 81.89 | 83.88 | +2.39% | 1,646,754 |
| Jan 28, 2026 | 81.92 | 82.63 | 81.63 | 81.92 | -0.27% | 1,732,406 |
| Jan 27, 2026 | 81.01 | 82.52 | 81.01 | 82.14 | +1.41% | 2,338,625 |
| Jan 26, 2026 | 79.49 | 81.28 | 79.24 | 81.00 | +0.89% | 1,700,602 |
| Jan 23, 2026 | 81.71 | 82.20 | 79.11 | 80.28 | -1.84% | 2,128,921 |
| Jan 22, 2026 | 79.62 | 82.19 | 78.89 | 81.79 | +2.96% | 3,695,674 |
| Jan 21, 2026 | 77.09 | 79.54 | 77.01 | 79.44 | +2.46% | 3,298,663 |
| Jan 20, 2026 | 75.03 | 77.99 | 74.20 | 77.53 | +1.57% | 4,894,345 |
| Jan 16, 2026 | 77.14 | 78.00 | 74.49 | 76.33 | -1.14% | 3,000,587 |
| Jan 15, 2026 | 79.25 | 79.75 | 77.15 | 77.21 | -2.10% | 1,409,021 |
| Jan 14, 2026 | 79.04 | 79.57 | 77.69 | 78.87 | -0.77% | 2,121,498 |
| Jan 13, 2026 | 82.24 | 82.57 | 78.61 | 79.48 | -2.67% | 1,885,179 |
| Jan 12, 2026 | 80.50 | 82.21 | 78.88 | 81.66 | +1.69% | 1,570,607 |
| Jan 9, 2026 | 82.17 | 83.23 | 79.30 | 80.30 | -1.52% | 2,668,760 |
| Jan 8, 2026 | 83.17 | 83.79 | 79.94 | 81.54 | -1.96% | 2,051,548 |
| Jan 7, 2026 | 82.50 | 86.15 | 82.40 | 83.17 | +2.06% | 3,889,646 |
| Jan 6, 2026 | 78.89 | 81.54 | 78.00 | 81.49 | +3.77% | 2,651,738 |
| Jan 5, 2026 | 79.18 | 79.42 | 76.08 | 78.53 | -1.43% | 1,448,687 |
| Jan 2, 2026 | 79.88 | 80.21 | 78.02 | 79.67 | +0.71% | 1,400,448 |
| Dec 31, 2025 | 78.78 | 79.84 | 78.63 | 79.11 | +0.18% | 1,096,900 |
| Dec 30, 2025 | 79.50 | 79.99 | 78.52 | 78.97 | -1.26% | 1,146,166 |
| Dec 29, 2025 | 79.73 | 80.04 | 78.74 | 79.98 | +0.06% | 1,077,894 |
| Dec 26, 2025 | 80.15 | 80.42 | 79.18 | 79.93 | -0.89% | 725,281 |
| Dec 24, 2025 | 80.33 | 81.02 | 80.33 | 80.65 | +0.40% | 480,227 |
| Dec 23, 2025 | 80.61 | 81.84 | 79.63 | 80.33 | -1.24% | 1,229,924 |
| Dec 22, 2025 | 79.26 | 82.09 | 79.09 | 81.34 | +2.22% | 2,257,844 |
| Dec 19, 2025 | 77.80 | 79.83 | 77.63 | 79.57 | +2.50% | 3,557,484 |
| Dec 18, 2025 | 77.39 | 78.16 | 76.69 | 77.63 | +0.71% | 1,765,565 |
| Dec 17, 2025 | 78.77 | 79.49 | 77.07 | 77.08 | -1.65% | 2,146,201 |
| Dec 16, 2025 | 79.41 | 79.56 | 77.16 | 78.37 | -1.74% | 1,959,742 |
| Dec 15, 2025 | 80.35 | 81.00 | 79.31 | 79.76 | -1.31% | 1,977,626 |
| Dec 12, 2025 | 79.19 | 80.92 | 78.50 | 80.82 | +2.12% | 1,468,893 |
| Dec 11, 2025 | 78.63 | 79.86 | 78.05 | 79.14 | +0.65% | 2,052,200 |
| Dec 10, 2025 | 79.38 | 79.71 | 77.79 | 78.63 | -0.29% | 2,659,323 |
| Dec 9, 2025 | 80.55 | 81.22 | 78.32 | 78.86 | -3.25% | 1,866,337 |
| Dec 8, 2025 | 82.12 | 82.86 | 81.18 | 81.51 | -0.21% | 1,553,583 |
| Dec 5, 2025 | 82.19 | 82.44 | 80.64 | 81.68 | -0.16% | 1,714,986 |
| Dec 4, 2025 | 81.90 | 83.61 | 81.44 | 81.81 | -0.04% | 2,317,827 |
| Dec 3, 2025 | 81.70 | 83.09 | 80.98 | 81.84 | +0.65% | 2,531,161 |
| Dec 2, 2025 | 82.38 | 82.69 | 80.00 | 81.31 | -0.83% | 2,454,566 |
| Dec 1, 2025 | 82.03 | 82.27 | 80.11 | 81.99 | -0.89% | 1,865,505 |
| Nov 28, 2025 | 82.59 | 82.95 | 81.67 | 82.73 | +0.04% | 852,943 |
| Nov 26, 2025 | 81.15 | 82.91 | 80.75 | 82.70 | +2.19% | 2,955,547 |
| Nov 25, 2025 | 78.52 | 81.20 | 78.33 | 80.93 | +3.07% | 2,543,172 |
| Nov 24, 2025 | 76.34 | 78.79 | 76.16 | 78.52 | +3.19% | 3,217,036 |
| Nov 21, 2025 | 73.00 | 76.31 | 73.00 | 76.09 | +4.06% | 2,076,032 |
| Nov 20, 2025 | 74.17 | 75.40 | 72.50 | 73.12 | -1.19% | 3,208,660 |
| Nov 19, 2025 | 74.55 | 75.00 | 71.83 | 74.00 | -0.67% | 3,620,815 |
| Nov 18, 2025 | 72.81 | 74.52 | 71.99 | 74.50 | +1.69% | 2,056,681 |
| Nov 17, 2025 | 70.70 | 74.42 | 70.69 | 73.26 | +2.39% | 3,504,605 |
| Nov 14, 2025 | 69.66 | 72.54 | 68.90 | 71.55 | +2.45% | 3,372,265 |
| Nov 13, 2025 | 72.56 | 73.05 | 68.22 | 69.84 | -3.89% | 11,502,846 |
| Nov 12, 2025 | 71.19 | 74.50 | 70.40 | 72.67 | +0.30% | 5,067,958 |
| Nov 11, 2025 | 69.32 | 72.79 | 68.55 | 72.45 | +4.18% | 2,268,649 |
| Nov 10, 2025 | 70.05 | 71.49 | 66.66 | 69.54 | -5.45% | 4,399,684 |
Daily open, high, low, close and volume for Ionis Pharmaceuticals, Inc. Common Stock (IONS). Showing 249 trading days. Unadjusted prices.