Skip to main content
logo
Ionis Pharmaceuticals, Inc. (IONS)
NASDAQ: IONS · Real-Time Price · USD
75.27
+0.51 (0.68%)
At close: May 1, 2026, 4:00 PM EDT
75.30
+0.03 (0.04%)
After-hours: May 1, 2026, 7:45 PM EDT

Ionis Pharmaceuticals Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
May 1, 202674.8676.1772.9475.2875.280.70%1,665,935
Apr 30, 202674.9177.7673.8174.7674.76-0.09%2,430,294
Apr 29, 202672.0674.9671.3074.8374.834.25%3,633,734
Apr 28, 202672.7173.1071.1871.7871.78-0.62%2,396,076
Apr 27, 202674.0475.1072.2172.2372.23-1.42%2,287,083
Apr 24, 202674.0974.5172.3373.2773.27-1.11%1,814,691
Apr 23, 202674.9676.0673.2374.0974.09-0.99%1,377,408
Apr 22, 202675.2275.4474.0074.8374.830.07%1,918,001
Apr 21, 202675.8775.9673.8074.7874.78-0.12%1,818,784
Apr 20, 202675.5075.6274.5874.8774.87-1.11%1,051,309
Apr 17, 202675.6676.3374.9575.7175.710.60%1,708,673
Apr 16, 202676.4276.5373.9175.2675.26-2.03%1,824,635
Apr 15, 202677.1077.1875.7776.8276.820.08%1,283,408
Apr 14, 202674.8877.3874.8876.7676.762.41%1,525,137
Apr 13, 202675.1777.1774.5674.9574.95-0.29%1,650,859
Apr 10, 202677.0277.1574.5375.1775.17-1.65%1,581,518
Apr 9, 202674.9876.9774.6276.4376.431.93%1,199,855
Apr 8, 202676.0776.4874.3074.9874.981.48%1,259,620
Apr 7, 202674.0574.2772.4273.8973.89-0.59%1,118,310
Apr 6, 202674.5475.4873.5674.3374.33-0.62%1,418,955
Apr 2, 202673.7475.1373.3574.7974.79-0.45%1,791,631
Apr 1, 202675.7076.4874.8075.1375.130.05%1,663,432
Mar 31, 202673.6475.9273.4575.0975.093.54%1,852,182
Mar 30, 202673.1273.2171.4872.5272.520.51%2,045,464
Mar 27, 202674.0074.0571.8772.1572.15-2.82%1,948,364
Mar 26, 202672.2575.6370.5074.2474.242.12%3,884,070
Mar 25, 202670.6873.6170.6872.7072.704.33%2,994,308
Mar 24, 202670.2770.6468.9069.6869.68-1.57%1,844,404
Mar 23, 202672.2573.1570.6770.7970.79-0.28%2,198,127
Mar 20, 202671.5172.5970.5070.9970.99-0.46%2,920,652
Mar 19, 202671.4071.9470.5171.3271.32-0.49%2,247,918
Mar 18, 202671.8472.3070.9271.6771.67-0.91%2,180,298
Mar 17, 202672.3573.3071.9272.3372.33-0.01%1,985,030
Mar 16, 202671.5872.8871.2972.3472.341.62%3,231,515
Mar 13, 202673.2174.1670.4271.1971.19-1.59%1,972,137
Mar 12, 202674.3074.3072.0172.3472.34-3.28%2,461,797
Mar 11, 202675.1576.0074.5474.7974.79-1.15%1,895,367
Mar 10, 202675.3677.0374.5175.6675.660.40%2,785,714
Mar 9, 202673.5075.6373.4575.3675.361.78%3,215,157
Mar 6, 202673.9775.1673.1574.0474.04-1.49%1,904,239
Mar 5, 202678.1679.0474.2775.1675.16-5.40%2,969,830
Mar 4, 202679.1680.0777.6779.4579.451.00%2,503,118
Mar 3, 202680.4281.4078.5078.6678.66-4.03%2,045,143
Mar 2, 202679.2782.7579.2781.9681.961.00%3,098,359
Feb 27, 202680.5982.1080.0681.1581.150.68%2,773,689
Feb 26, 202680.3282.4478.9280.6080.60-0.41%3,330,043
Feb 25, 202681.7585.1280.4780.9380.93-5.29%3,188,709
Feb 24, 202684.6685.4783.4585.4585.451.00%2,384,832
Feb 23, 202682.7184.9682.7184.6084.601.74%1,724,186
Feb 20, 202682.8583.6381.6483.1583.150.01%2,832,477