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Ionis Pharmaceuticals, Inc. (IONS)
NASDAQ: IONS · Real-Time Price · USD
75.56
-0.22 (-0.29%)
At close: May 22, 2026, 4:00 PM EDT
76.06
+0.50 (0.66%)
After-hours: May 22, 2026, 5:31 PM EDT

Ionis Pharmaceuticals Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
May 22, 202675.7176.8075.0075.5675.56-0.29%1,569,270
May 21, 202674.7676.4874.2175.7875.780.96%2,264,442
May 20, 202674.6775.6973.9775.0675.061.65%2,002,545
May 19, 202672.7674.1572.0073.8473.841.82%1,501,368
May 18, 202674.5874.7971.9372.5272.52-2.30%2,211,402
May 15, 202675.8975.9373.3274.2374.23-1.92%2,119,183
May 14, 202679.0079.1975.3175.6875.68-2.47%1,798,305
May 13, 202675.6778.0375.0877.6077.602.33%1,360,373
May 12, 202676.0377.1375.3875.8375.830.60%1,408,887
May 11, 202676.0377.0174.8575.3875.38-0.44%1,533,667
May 8, 202676.4577.4075.2475.7175.71-0.41%1,656,234
May 7, 202676.5676.5674.8776.0276.02-1.08%1,885,704
May 6, 202675.6277.4275.2976.8576.852.13%1,799,880
May 5, 202675.8476.9674.8275.2575.25-0.27%850,248
May 4, 202675.2876.0074.4775.4575.450.23%1,689,516
May 1, 202674.8676.1772.9475.2875.280.70%1,821,465
Apr 30, 202674.9177.7673.8174.7674.76-0.09%2,430,344
Apr 29, 202672.0674.9671.3074.8374.834.25%3,675,234
Apr 28, 202672.7173.1071.1871.7871.78-0.62%2,396,291
Apr 27, 202674.0475.1072.2172.2372.23-1.42%2,311,634
Apr 24, 202674.0974.5172.3373.2773.27-1.11%1,817,367
Apr 23, 202674.9676.0673.2374.0974.09-0.99%1,377,408
Apr 22, 202675.2275.4474.0074.8374.830.07%2,024,007
Apr 21, 202675.8775.9673.8074.7874.78-0.12%1,818,784
Apr 20, 202675.5075.6274.5874.8774.87-1.11%1,106,829
Apr 17, 202675.6676.3374.9575.7175.710.60%1,719,446
Apr 16, 202676.4276.5373.9175.2675.26-2.03%1,873,899
Apr 15, 202677.1077.1875.7776.8276.820.08%1,288,372
Apr 14, 202674.8877.3874.8876.7676.762.41%1,595,277
Apr 13, 202675.1777.1774.5674.9574.95-0.29%1,650,871
Apr 10, 202677.0277.1574.5375.1775.17-1.65%1,581,578
Apr 9, 202674.9876.9774.6276.4376.431.93%1,200,978
Apr 8, 202676.0776.4874.3074.9874.981.48%1,266,771
Apr 7, 202674.0574.2772.4273.8973.89-0.59%1,118,312
Apr 6, 202674.5475.4873.5674.3374.33-0.62%1,440,939
Apr 2, 202673.7475.1373.3574.7974.79-0.45%1,791,632
Apr 1, 202675.7076.4874.8075.1375.130.05%1,664,978
Mar 31, 202673.6475.9273.4575.0975.093.54%1,852,352
Mar 30, 202673.1273.2171.4872.5272.520.51%2,045,479
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