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IONS

IONIS PHARMACEUTICALS INC

NASDAQ · Healthcare · Biotechnology · US

$44.38
+3.35%
Ask drillr
Price chart
Sep 18Sep 23Sep 28Oct 1Oct 6Oct 9Oct 14Oct 19
Key dataOct 19, 2026
Open
$43.33
From 52W high
−48.69%
Volume
2.84M
Market cap
$7.38B
P/E (Fwd)
—
EV/EBITDA
−16.1x
P/E (TTM)
—
RSI (14)
41.8
1D Return
+3.35%
YTD Return
−44.46%
SummaryUpdated Jun 1, 2026

Ionis Pharmaceuticals, Inc. (NASDAQ:IONS) is a biotechnology company founded in 1989 and headquartered in Carlsbad, California. The company went public in 1991 and has established itself as a pioneer in RNA-targeted therapeutics, developing medicines that work by targeting specific RNA molecules to treat various diseases. Over its 35-year history, Ionis has evolved from a research-focused organization into a commercial-stage biopharmaceutical company with multiple approved drugs and a robust pipeline of late-stage development programs. The company has successfully launched several medicines independently and through partnerships, generating revenue from both product sales and royalties from partner-commercialized drugs.

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