Ionis Pharmaceuticals (IONS) stock price, chart and financials
Price chart
Company profile
Ionis Pharmaceuticals is the leading developer of antisense technology to discover and develop novel drugs. Its broad clinical and preclinical pipeline targets a wide variety of diseases, with an emphasis on cardiovascular, metabolic, neurological, and rare diseases. Ionis and Biogen brought Spinraza to market in 2016 as a treatment for spinal muscular atrophy, and Biogen launched ALS drug Qalsody in 2023. Ionis brought two additional drugs to market via its cardiovascular-focused subsidiary Akcea, including ATTR amyloidosis drug Tegsedi (2018) and cardiology drug Waylivra (Europe, 2019). Ionis and AstraZeneca launched polyneuropathy drug Wainua in 2024. Ionis marked its first two independent launches in 2025 for Tryngolza (for FCS) and Dawnzera (for HAE).
Frequently asked questions
How do I buy stock in Ionis Pharmaceuticals (IONS)?
IONS trades commission-free with a Light Horse Securities brokerage account — from the mobile app, the web at Light Horse Dashboard, the trading API, or an AI agent connected over MCP. The trade panel on this page places the order once you are signed in.
Quotes and charts are not real-time and must not be relied on for trade decisions or valuation.
This page is for informational purposes only. Nothing on it is a recommendation, solicitation or offer to buy or sell any security, nor investment, legal or tax advice. Light Horse Securities Inc does not verify third-party data and is not responsible for its accuracy, completeness or timeliness.