Ionis Pharmaceuticals, Inc. (IONS)

Ionis Pharmaceuticals Market Cap

Ionis Pharmaceuticals has a market cap or net worth of $12.49 billion as of May 22, 2026. Its market cap has increased by 146.26% in one year.

• Market Cap: 12.49B
• Enterprise Value: 13.12B
• 1-Year Change: 146.26%
• Ranking: #819
• Category: Large-Cap
• Stock Price: $75.56

Market Cap Chart

Since December 1, 1998, Ionis Pharmaceuticals's market cap has increased from $302.10M to $12.49B, an increase of 4,033.48%. That is a compound annual growth rate of 14.50%.

Market Cap History

Date	Market Cap	% Change
May 20, 2026	12.40B	-3.19%
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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Data Source: Nasdaq Data Link Last updated: May 20, 2026

Market cap data is provided by Nasdaq Data Link. The current market cap updates continuously throughout the trading day, while the historical market cap is updated daily after market close.

Update frequency:

Daily

Last checked:

May 23, 2026

Data Sources Report a data error

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