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
11.92B
Market cap11.92B
Price-Earnings ratio
-42.98
Price-Earnings ratio-42.98
Dividend yield
Dividend yield
Average volume
2.25M
Average volume2.25M
High today
$75.04
High today$75.04
Low today
$72.37
Low today$72.37
Open price
$73.97
Open price$73.97
Volume
2.17M
Volume2.17M
52 Week high
$76.78
52 Week high$76.78
52 Week low
$23.95
52 Week low$23.95

Stock Snapshot

As of today, Ionis Pharmaceuticals(IONS) shares are valued at $75.04. The company's market cap stands at 11.92B, with a P/E ratio of -42.98.

On 2025-11-08, Ionis Pharmaceuticals(IONS) stock moved within a range of $72.37 to $75.04. With shares now at $75.04, the stock is trading +3.7% above its intraday low and 0.0% below the session's peak.

Trading activity shows a volume of 2.17M, compared to an average daily volume of 2.25M.

The stock's 52-week range extends from a low of $23.95 to a high of $76.78.

The stock's 52-week range extends from a low of $23.95 to a high of $76.78.

IONS News

Nasdaq 60m
Ionis Unveils Positive Phase 3 Data For Olezarsen In Severe Hypertriglyceridemia

(RTTNews) - Ionis Pharmaceuticals Inc. (IONS) announced positive results from its pivotal Phase 3 CORE and CORE2 studies evaluating olezarsen in patients with s...

Ionis Unveils Positive Phase 3 Data For Olezarsen In Severe Hypertriglyceridemia
TipRanks 2d
Ionis Pharmaceuticals presents data on Dawnzera at ACAAI 2025 Annual Meeting

Ionis announced long-term data for Dawnzera for hereditary angioedema, or HAE, presented at the 2025 American College of Allergy, Asthma & Immunology, or ACAAI,...

Simply Wall St 2d
How Investors Are Reacting To Ionis Pharmaceuticals Raising Revenue Guidance and Narrowing Losses

Ionis Pharmaceuticals reported third-quarter 2025 results, with revenue rising to US$156.72 million and net loss narrowing to US$128.61 million compared to the...

How Investors Are Reacting To Ionis Pharmaceuticals Raising Revenue Guidance and Narrowing Losses

Analyst ratings

73%

of 26 ratings
Buy
73.1%
Hold
26.9%
Sell
0%

More IONS News

TipRanks 4d
Ionis Pharmaceuticals price target raised to $77 from $70 at Piper Sandler

Piper Sandler raised the firm’s price target on Ionis Pharmaceuticals (IONS) to $77 from $70 and keeps an Overweight rating on the shares. The firm notes the co...

Simply Wall St 5d
Ionis Pharmaceuticals: Assessing Valuation as Revenue Outlook Rises and Product Launches Accelerate

Ionis Pharmaceuticals (IONS) just delivered its third quarter results, revealing higher revenue and a smaller net loss than last year. The company also increase...

Ionis Pharmaceuticals: Assessing Valuation as Revenue Outlook Rises and Product Launches Accelerate

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