IONS Ionis Pharmaceuticals, Inc.
NASDAQActiveCommon stock
IONS is the ticker symbol of Ionis Pharmaceuticals, Inc., which is listed on NASDAQ.
IONS at a glance
- Symbol
- IONS
- Company / issuer
- Ionis Pharmaceuticals, Inc.
- Security type
- Common stock
- Exchange
- NASDAQ
- Status
- Actively traded
- Seen in listing files
- Aug 2018 – present
- Sector
- Health Care
- Industry
- Biotechnology: Pharmaceutical Preparations
- Country
- United States
- Market cap
- $7.3 billion (Sep 2026)
Ionis Pharmaceuticals, Inc. company profile
- Industry (SIC)
- Pharmaceutical Preparations
- Headquarters
- Carlsbad, CA
- Incorporated in
- CA
- Fiscal year end
- December 31
- SEC filer category
- Large accelerated filer
- Latest annual report
- 10-K filed 2026-02-26
- Latest interim report
- 10-Q filed 2026-07-29
- SEC CIK
- 874015
Former company names
- Isis Pharmaceuticals Inc (until 2015)
Source: SEC EDGAR filer data.
IONS price chart
Interactive chart provided by TradingView (loads third-party scripts).
Frequently asked questions
What company has the ticker symbol IONS?
IONS is the ticker symbol of Ionis Pharmaceuticals, Inc on NASDAQ.
Is IONS still trading?
Yes. IONS appears in the current NASDAQ listings as of Sep 2026.
Which exchange is IONS listed on?
IONS is listed on NASDAQ.