Ionis Pharmaceuticals

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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
1,069
Employees1,069
Headquarters
Carlsbad, California
HeadquartersCarlsbad, California
Founded
1989
Founded1989
Employees
1,069
Employees1,069

IONS Key Statistics

Market cap
13.18B
Market cap13.18B
Price-Earnings ratio
-47.91
Price-Earnings ratio-47.91
Dividend yield
Dividend yield
Average volume
2.59M
Average volume2.59M
High today
$82.84
High today$82.84
Low today
$80.00
Low today$80.00
Open price
$82.38
Open price$82.38
Volume
2.44M
Volume2.44M
52 Week high
$82.95
52 Week high$82.95
52 Week low
$23.95
52 Week low$23.95

Stock Snapshot

The current Ionis Pharmaceuticals(IONS) stock price is $81.31, with a market capitalization of 13.18B. The stock trades at a price-to-earnings (P/E) ratio of -47.91.

On 2025-12-02, Ionis Pharmaceuticals(IONS) stock traded between a low of $80.00 and a high of $82.84. Shares are currently priced at $81.31, which is +1.6% above the low and -1.8% below the high.

The Ionis Pharmaceuticals(IONS)'s current trading volume is 2.44M, compared to an average daily volume of 2.59M.

In the last year, Ionis Pharmaceuticals(IONS) shares hit a 52-week high of $82.95 and a 52-week low of $23.95.

In the last year, Ionis Pharmaceuticals(IONS) shares hit a 52-week high of $82.95 and a 52-week low of $23.95.

IONS News

Simply Wall St 3d
Why Ionis Pharmaceuticals Is Up 8.7% After Donidalorsen EMA Milestone and $700 Million Offering News

Ionis Pharmaceuticals recently received a positive opinion from the European Medicines Agency’s Committee for Donidalorsen, a drug for hereditary angioedema, wi...

Why Ionis Pharmaceuticals Is Up 8.7% After Donidalorsen EMA Milestone and $700 Million Offering News

Analyst ratings

71%

of 24 ratings
Buy
70.8%
Hold
29.2%
Sell
0%

People also own

Based on the portfolios of people who own IONS. This list is generated using Robinhood data, and it’s not a recommendation.
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