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0JDI.L (LSE) is a cross-listing of IONS (NASDAQ). Showing primary listing data.

IONS

Ionis Pharmaceuticals, Inc.
1W: -0.3% 1M: -14.6% 3M: -7.9% YTD: -10.9% 1Y: +112.9% 3Y: +107.6% 5Y: +30.0%
$70.99
-0.33 (-0.46%)
After Hours: $73.00 (+2.01, +2.83%)
NASDAQ · Healthcare · Biotechnology · $11.7B · Alpha Radar Sell · Power 35
Smart Money Score
Moderate 50
Insider+$22.7M
Congress
ETF Holdings
Key Statistics
Market Cap$11.7B
52W Range23.95-86.74
Volume2,630,978
Avg Volume2,190,418
Beta0.36
Dividend
Analyst Ratings
20 Buy 12 Hold 0 Sell
Consensus Buy
Company Info
CEOBrett Monia
Employees1,069
SectorHealthcare
IndustryBiotechnology
IPO Date1991-05-17
2855 Gazelle Court
Carlsbad, CA 92010
US
760 931 9200
About Ionis Pharmaceuticals, Inc.

Ionis Pharmaceuticals, Inc. discovers and develops RNA-targeted therapeutics in the United States. The company offers SPINRAZA for spinal muscular atrophy (SMA) in pediatric and adult patients; TEGSEDI, an injection for the treatment of polyneuropathy of hereditary transthyretin-mediated amyloidosis in adults; and WAYLIVRA, a treatment for familial chylomicronemia syndrome and familial partial lipodystrophy. It also develops medicines for various indications that are in phase 3 study, including Eplontersen as a monthly self-administered subcutaneous injection to treat all types of TTR amyloidosis; Olezarsen for patients with severe hypertriglyceridemia (SHTG); Donidalorsen for patients with hereditary angioedema; ION363 for patients with amyotrophic lateral sclerosis; Pelacarsen for patients with established cardiovascular disease and elevated lipoprotein(a); and Tofersen to inhibit the production of superoxide dismutase 1. In addition, the company develops medicines for metabolic diseases, infectious diseases, renal diseases, ophthalmic diseases, and cancer. It has a strategic collaboration with Biogen Inc.; and collaboration and license agreement with AstraZeneca, Bayer AG, GlaxoSmithKline plc, Novartis AG, Roche, Janssen Biotech, Inc., and Flamingo Therapeutics, Inc. Ionis Pharmaceuticals, Inc. was founded in 1989 and is based in Carlsbad, California.

Recent Insider Trades

NameTypeSharesPriceDate
LOSCALZO JOSEPH M-Exempt 200 $38.06 2026-03-04
LOSCALZO JOSEPH S-Sale 200 $80.00 2026-03-04
LOSCALZO JOSEPH M-Exempt 200 $38.06 2026-03-04
Baroldi Joseph M-Exempt 238 $56.78 2026-03-04
Baroldi Joseph S-Sale 201 $80.00 2026-03-04

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