Ionis Pharmaceuticals, Inc. (IONS)
NASDAQ: IONS · Real-Time Price · USD
43.93
-1.82 (-3.98%)
At close: Sep 23, 2026, 4:00 PM EDT
44.05
+0.12 (0.27%)
After-hours: Sep 23, 2026, 4:58 PM EDT
Ionis Pharmaceuticals Market Cap
Ionis Pharmaceuticals has a market cap or net worth of $7.3 billion as of September 23, 2026. Its market cap has decreased by -25.35% in one year.
Market Cap
7.30B
Enterprise Value
7.39B
1-Year Change
-25.35%
Ranking
Category
Stock Price
$43.93
ChartMarket Cap Chart
Since December 1, 1998, Ionis Pharmaceuticals's market cap has increased from $302.10M to $7.30B, an increase of 2,316.58%. That is a compound annual growth rate of 12.12%.
| Date | Market Cap | % Change |
|---|---|---|
| Sep 23, 2026 | 7.30B | -43.03% |
| Dec 31, 2025 | 12.81B | 132.13% |
| Dec 31, 2024 | 5.52B | -23.95% |
| Dec 29, 2023 | 7.26B | 35.28% |
| Dec 30, 2022 | 5.37B | 24.86% |
| Dec 31, 2021 | 4.30B | -45.65% |
| Dec 31, 2020 | 7.91B | -6.97% |
| Dec 31, 2019 | 8.50B | 14.26% |
| Dec 31, 2018 | 7.44B | 18.48% |
| Dec 29, 2017 | 6.28B | 8.28% |
| Dec 30, 2016 | 5.80B | -22.07% |
| Dec 31, 2015 | 7.44B | 1.99% |
| Dec 31, 2014 | 7.29B | 57.73% |
| Dec 31, 2013 | 4.62B | 337.67% |
| Dec 31, 2012 | 1.06B | 46.95% |
| Dec 30, 2011 | 719.00M | -28.40% |
| Dec 31, 2010 | 1.00B | -8.12% |
| Dec 31, 2009 | 1.09B | -20.54% |
| Dec 31, 2008 | 1.38B | 0.44% |
| Dec 31, 2007 | 1.37B | 62.24% |
| Dec 29, 2006 | 844.10M | 123.13% |
| Dec 30, 2005 | 378.30M | 11.96% |
| Dec 31, 2004 | 337.90M | -6.42% |
| Dec 31, 2003 | 361.10M | -0.61% |
| Dec 31, 2002 | 363.30M | -65.23% |
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Market Capitalization
Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.
Formula: Market Cap = Stock Price * Shares Outstanding
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