Ionis Pharmaceuticals Inc.
IONS | NASDAQ
$45.22
+$0.32 (+0.71%)
Sep 22, 2026, 12:30 PM ET · Market open
Market Cap History History
Annual Market Cap Change Annual Change
| Date | Market Cap | Change | % Change |
|---|---|---|---|
| Sep 20, 2026 | $7.43B | -$5.42B | -42.20% |
| Dec 25, 2025 | $12.85B | $7.51B | +140.81% |
| Dec 26, 2024 | $5.34B | -$1.91B | -26.40% |
| Dec 28, 2023 | $7.25B | $1.89B | +35.23% |
| Dec 29, 2022 | $5.36B | $1.07B | +24.96% |
| Dec 30, 2021 | $4.29B | -$3.62B | -45.78% |
| Dec 30, 2020 | $7.91B | -$629.52M | -7.37% |
| Dec 26, 2019 | $8.54B | $1.49B | +21.10% |
| Dec 27, 2018 | $7.05B | $798.28M | +12.76% |
| Dec 28, 2017 | $6.26B | $468.91M | +8.10% |
| Dec 29, 2016 | $5.79B | -$1.64B | -22.11% |
| Dec 30, 2015 | $7.43B | -$69.53M | -0.93% |
| Dec 25, 2014 | $7.5B | $2.87B | +62.12% |
| Dec 26, 2013 | $4.63B | $3.61B | +354.88% |
| Dec 27, 2012 | $1.02B | $298.12M | +41.48% |
| Dec 29, 2011 | $718.74M | -$285.86M | -28.45% |
| Dec 30, 2010 | $1B | -$89.42M | -8.17% |
| Dec 30, 2009 | $1.09B | -$182.87M | -14.32% |
| Dec 25, 2008 | $1.28B | -$86.32M | -6.33% |
| Dec 27, 2007 | $1.36B | $544.92M | +66.59% |
| Dec 28, 2006 | $818.3M | n/a | n/a |
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