Ionis Pharmaceuticals, Inc. (IONS)
NASDAQ: IONS · Real-Time Price · USD
42.38
-1.29 (-2.95%)
At close: Oct 13, 2026, 4:00 PM EDT
42.89
+0.51 (1.20%)
After-hours: Oct 13, 2026, 6:00 PM EDT
Ionis Pharmaceuticals Market Cap
Ionis Pharmaceuticals has a market cap or net worth of $7.04 billion as of October 13, 2026. It is the 2,731st most valuable company in the world and the 908th biggest in the United States. Its market cap has decreased by 36.85% in one year.
Market Cap
7.04B
Enterprise Value
7.13B
1-Year Change
-36.85%
Global Rank
Country Rank
#908 United States
Category
ChartMarket Cap Chart
Since December 1, 1998, Ionis Pharmaceuticals's market cap has increased from $302.10M to $7.04B, an increase of 2,231.31%. That is a compound annual growth rate of 11.96%.
| Date | Market Cap | % Change |
|---|---|---|
| Oct 13, 2026 | 7.04B | -45.04% |
| 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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