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Ionis Pharmaceuticals, Inc. (NasdaqGS: IONS)

Health Care · Biotechnology · US

$63.59

+0.03% today · +52.0% 1Y

Ionis Pharmaceuticals, Inc. (NasdaqGS: IONS) operates in the Biotechnology industry within the Health Care sector. The company is valued at $10.56B and employs 1,480 people.

Over the last twelve months the share price has gained 52.0%, trading between 41.71 and 86.74.

Tweenvest scores Ionis Pharmaceuticals, Inc. across four factors: quality 42/100, value 45/100, growth 86/100. Its strongest factor is growth.

IONS price history

Not enough price history to draw a chart yet.

Key figures

Market cap
$10.56B
Revenue (TTM)
$874.09M
P/E
EPS
-3.46
Dividend yield
Beta (5Y)
0.40
52-week high
$86.74
52-week low
$41.71
Avg volume (3M)
Shares outstanding
166.18M
Employees
1,480
Next earnings

About Ionis Pharmaceuticals, Inc.

Founded in 1989 and headquartered in Carlsbad, California, Ionis Pharmaceuticals, Inc. is a biopharmaceutical company specializing in the discovery and development of RNA-targeted therapies within the United States. Its commercial portfolio includes three key medications: SPINRAZA, prescribed for spinal muscular atrophy (SMA) in both children and adults; TEGSEDI, an injectable treatment targeting polyneuropathy associated with hereditary transthyretin-mediated amyloidosis in adult patients; and WAYLIVRA, which addresses familial chylomicronemia syndrome and familial partial lipodystrophy. Ionis also maintains a robust pipeline, with several drug candidates currently in Phase 3 clinical trials. These include Eplontersen, a monthly self-administered subcutaneous injection designed for all forms of TTR amyloidosis; Olezarsen, intended for individuals with severe hypertriglyceridemia (SHTG); Donidalorsen, for patients suffering from hereditary angioedema; ION363, aimed at amyotrophic lateral sclerosis (ALS); Pelacarsen, developed for those with established cardiovascular disease and elevated lipoprotein(a); and Tofersen, which works by inhibiting the production of superoxide dismutase 1. Beyond these late-stage assets, the company is actively researching treatments for metabolic, infectious, renal, and ophthalmic diseases, as well as various types of cancer. The firm engages in significant collaborations, notably a strategic partnership with Biogen Inc. Additionally, it holds licensing and collaboration agreements with AstraZeneca, Bayer AG, GlaxoSmithKline plc, Novartis AG, Roche, Janssen Biotech, Inc., and Flamingo Therapeutics, Inc.

ISIN
US4622221004
Founded
1989
Listed since
May 17, 1991
Exchange
Nasdaq Global Select
Currency
USD
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Figures last refreshed Aug 18, 2026.