Ionis Pharmaceuticals, Inc. (IONS)
NASDAQ: IONS · Real-Time Price · USD
41.24
-2.28 (-5.24%)
At close: Nov 2, 2026, 4:00 PM EST
41.56
+0.32 (0.78%)
After-hours: Nov 2, 2026, 7:30 PM EST
Ionis Pharmaceuticals Market Cap
Ionis Pharmaceuticals has a market cap or net worth of $6.85 billion as of November 2, 2026. It is the 2,813th most valuable company in the world and the 955th biggest in the United States. Its market cap has decreased by 43.05% in one year.
Market Cap
6.85B
Enterprise Value
6.94B
1-Year Change
-43.05%
Global Rank
Country Rank
#955 United States
Category
ChartMarket Cap Chart
Since December 1, 1998, Ionis Pharmaceuticals's market cap has increased from $302.10M to $6.85B, an increase of 2,168.60%. That is a compound annual growth rate of 11.82%.
| Date | Market Cap | % Change |
|---|---|---|
| Nov 2, 2026 | 6.85B | -46.52% |
| 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% |
View and export this data all the way back to 1998. Sign Up Today.
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
Related Stocks
| Company | Market Cap |
|---|---|
| TG Therapeutics | 8.68B |
| Arrowhead Pharmaceuticals | 8.46B |
| Praxis Precision Medicines | 7.98B |
| ABIVAX Société Anonyme | 7.69B |
| Axsome Therapeutics | 7.57B |
| Ligand Pharmaceuticals | 6.43B |
| Oruka Therapeutics | 6.41B |
| Rhythm Pharmaceuticals | 6.37B |