$67.40
2.43% today
Nasdaq, Oct 02, 05:48 pm CET
ISIN
US4622221004
Symbol
IONS

Ionis Pharmaceuticals, Inc. Stock price

$65.80
+23.17 54.33% 1M
+38.54 141.38% 6M
+30.84 88.22% YTD
+26.73 68.42% 1Y
+20.81 46.25% 3Y
+18.04 37.77% 5Y
+24.90 60.88% 10Y
+60.64 1,175.19% 20Y
Nasdaq, Closing price Wed, Oct 01 2025
+0.38 0.58%
ISIN
US4622221004
Symbol
IONS
Industry

Key metrics

Basic
Market capitalization
$10.5b
Enterprise Value
$9.5b
Net debt
positive
Cash
$2.3b
Shares outstanding
159.2m
Valuation (TTM | estimate)
P/E
negative | negative
P/S
11.1 | 12.0
EV/Sales
10.0 | 10.8
EV/FCF
negative
P/B
16.6
Financial Health
Equity Ratio
19.6%
Return on Equity
-77.2%
ROCE
-12.8%
ROIC
-45.4%
Debt/Equity
2.0
Financials (TTM | estimate)
Revenue
$944.1m | $876.5m
EBITDA
$-244.9m | $-372.9m
EBIT
$-266.5m | $-413.1m
Net Income
$-268.2m | $-413.8m
Free Cash Flow
$-290.0m
Growth (TTM | estimate)
Revenue
16.1% | 24.3%
EBITDA
29.9% | 17.7%
EBIT
27.4% | 13.0%
Net Income
26.7% | 8.8%
Free Cash Flow
19.0%
Margin (TTM | estimate)
Gross
98.9%
EBITDA
-25.9% | -42.6%
EBIT
-28.2%
Net
-28.4% | -47.2%
Free Cash Flow
-30.7%
More
EPS
$-1.5
FCF per Share
$-1.8
Short interest
10.0%
Employees
1k
Rev per Employee
$660.0k
Show more

Is Ionis Pharmaceuticals, Inc. a Top Scorer Stock based on the Dividend, High-Growth-Investing or Leverman Strategy?

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Ionis Pharmaceuticals, Inc. Stock Analysis

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Analyst Opinions

33 Analysts have issued a Ionis Pharmaceuticals, Inc. forecast:

24x Buy
73%
8x Hold
24%
1x Sell
3%

Analyst Opinions

33 Analysts have issued a Ionis Pharmaceuticals, Inc. forecast:

Buy
73%
Hold
24%
Sell
3%

Financial data from Ionis Pharmaceuticals, Inc.

Income Statement P&L | Balance Sheet | Cash Flow


Quarter TTM Annually
Jun '25
+/-
%
944 944
16% 16%
100%
- Direct Costs 11 11
9% 9%
1%
934 934
16% 16%
99%
- Selling and Administrative Expenses 317 317
23% 23%
34%
- Research and Development Expense 883 883
3% 3%
94%
-245 -245
30% 30%
-26%
- Depreciation and Amortization 22 22
22% 22%
2%
EBIT (Operating Income) EBIT -267 -267
27% 27%
-28%
Net Profit -268 -268
27% 27%
-28%

In millions USD.

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Ionis Pharmaceuticals, Inc. Stock News

Positive
Reuters
10 days ago
Ionis Pharmaceuticals said on Monday its experimental brain disorder drug met the main goal in an early-to-late-stage study.
Neutral
Business Wire
10 days ago
CARLSBAD, Calif.--(BUSINESS WIRE)--Ionis Pharmaceuticals, Inc. (Nasdaq: IONS) today announced positive topline results from the pivotal study of zilganersen in children and adults living with Alexander disease (AxD), a rare, progressive and often fatal neurological condition with no approved disease-modifying treatments. Zilganersen 50 mg demonstrated statistically significant and clinically me...
Neutral
Business Wire
13 days ago
CARLSBAD, Calif.--(BUSINESS WIRE)--Ionis Pharmaceuticals, Inc. (Nasdaq: IONS) and Sobi® today announced that TRYNGOLZA® (olezarsen) has been approved in the European Union (EU) as an adjunct to diet in adult patients for the treatment of genetically confirmed familial chylomicronemia syndrome (FCS). The approval follows the positive opinion of the Committee for Medicinal Products for Human Use....
More Ionis Pharmaceuticals, Inc. News

Company Profile

Ionis Pharmaceuticals, Inc. engages in the development and commercialization of human therapeutic drugs using antisense technology. It operates through the Ionis Core and Akcea Therapeutics segments. The Ionis Core segment exploits a novel drug discovery platform to generate a pipeline of drugs. The Akcea Therapeutics segment develops and commercializes drugs for cardiometabolic diseases. The company was founded by Stanley T. Crooke, David J. Ecker, Christopher K. Mirabelli and Brett P. Monia in 1989 and is headquartered in Carlsbad, CA.

Head office United States
CEO Brett Monia
Employees 1,069
Founded 1989
Website www.ionis.com

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