Ionis Pharmaceuticals

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Trade Ionis Pharmaceuticals 24 hours a day, five days a week on Robinhood.

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About IONS

Ionis Pharmaceuticals, Inc. engages in the development and commercialization of human therapeutic drugs using antisense technology. The company was founded by Stanley T. 

CEO
Brett P. Monia
CEOBrett P. Monia
Employees
1,402
Employees1,402
Headquarters
Carlsbad, California
HeadquartersCarlsbad, California
Founded
1989
Founded1989
Employees
1,402
Employees1,402

IONS Key Statistics

Market cap
7.14B
Market cap7.14B
Price-Earnings ratio
-12.36
Price-Earnings ratio-12.36
Dividend yield
—
Dividend yield—
Average volume
2.73M
Average volume2.73M
High today
$44.65
High today$44.65
Low today
$42.80
Low today$42.80
Open price
$44.53
Open price$44.53
Volume
1.67M
Volume1.67M
52 Week high
$86.74
52 Week high$86.74
52 Week low
$42.08
52 Week low$42.08

Stock Snapshot

With a market cap of 7.14B, Ionis Pharmaceuticals(IONS) trades at $42.94. The stock has a price-to-earnings ratio of -12.36.

During the trading session on 2026-10-18, Ionis Pharmaceuticals(IONS) shares reached a daily high of $44.65 and a low of $42.80. At a current price of $42.94, the stock is +0.3% higher than the low and still -3.8% under the high.

Trading activity shows a volume of 1.67M, compared to an average daily volume of 2.73M.

Over the past 52 weeks, Ionis Pharmaceuticals(IONS) stock has traded between a high of $86.74 and a low of $42.08.

Over the past 52 weeks, Ionis Pharmaceuticals(IONS) stock has traded between a high of $86.74 and a low of $42.08.

IONS News

TipRanks 2d
Amprius, Viking, Regeneron, Ionis, Crispr Trending With Analysts

Analysts are intrested in these 5 stocks: ( (AMPX) ), ( (VKTX) ), ( (REGN) ), ( (IONS) ) and ( (CRSP) ). Here is a breakdown of their recent ratings and the rat...

Simply Wall St 2d
Did EU Backing Just Shift Ionis Pharmaceuticals Investment Narrative? - Simply Wall Street

...

Did EU Backing Just Shift Ionis Pharmaceuticals Investment Narrative? - Simply Wall Street
TipRanks 3d
Ionis Pharmaceuticals says CHMP adopts positive opinion on tryngolza

Ionis Pharmaceuticals (IONS) announced that the Committee for Medicinal Products for Human Use of the European Medicines Agency has adopted a positive opinion r...

Analyst ratings

82%

of 28 ratings
Buy
82.1%
Hold
17.9%
Sell
0%

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