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
9.10B
Market cap9.10B
Price-Earnings ratio
-15.60
Price-Earnings ratio-15.60
Dividend yield
Dividend yield
Average volume
2.89M
Average volume2.89M
High today
$55.49
High today$55.49
Low today
$53.58
Low today$53.58
Open price
$55.17
Open price$55.17
Volume
2.12M
Volume2.12M
52 Week high
$86.74
52 Week high$86.74
52 Week low
$40.03
52 Week low$40.03

Stock Snapshot

Ionis Pharmaceuticals(IONS) stock is priced at $54.11, giving the company a market capitalization of 9.1B. It carries a P/E multiple of -15.60.

As of 2026-08-05, Ionis Pharmaceuticals(IONS) stock has fluctuated between $53.58 and $55.49. The current price stands at $54.11, placing the stock +1.0% above today's low and -2.5% off the high.

Ionis Pharmaceuticals(IONS) shares are trading with a volume of 2.12M, against a daily average of 2.89M.

In the last year, Ionis Pharmaceuticals(IONS) shares hit a 52-week high of $86.74 and a 52-week low of $40.03.

In the last year, Ionis Pharmaceuticals(IONS) shares hit a 52-week high of $86.74 and a 52-week low of $40.03.

IONS News

Simply Wall St 2d
Michael Hayden Bought 34% More Shares In Ionis Pharmaceuticals

Ionis Pharmaceuticals, Inc. ( ) shareholders (or potential shareholders) will be happy to see that the Independent Director, Michael Hayden, recently bought a w...

Michael Hayden Bought 34% More Shares In Ionis Pharmaceuticals
TipRanks 6d
Ionis Pharmaceuticals: Strong Commercial Momentum and Late‑Stage Pipeline Catalysts Drive Buy Rating

Yaron Werber, an analyst from TD Cowen, maintained the Buy rating on Ionis Pharmaceuticals. The associated price target is $94.00. Unlock powerful investing to...

TipRanks 7d
Ionis Pharmaceuticals price target raised to $93 from $90 at BofA

BofA raised the firm’s price target on Ionis Pharmaceuticals (IONS) to $93 from $90 and keeps a Buy rating on the shares. The firm continues to see a favorable...

Analyst ratings

84%

of 25 ratings
Buy
84%
Hold
16%
Sell
0%

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