Logo image of IONS

IONIS PHARMACEUTICALS INC (IONS) Stock Overview

NASDAQ:IONS - US4622221004 - Common Stock

42.75 USD
+0.58 (+1.38%)
Last: 8/27/2025, 5:42:07 PM
42.75 USD
0 (0%)
After Hours: 8/27/2025, 5:42:07 PM

IONS Key Statistics, Chart & Performance

Key Statistics
52 Week High49.08
52 Week Low23.95
Market Cap6.81B
Shares159.39M
Float158.09M
Yearly DividendN/A
Dividend YieldN/A
EPS(TTM)-1.84
PEN/A
Fwd PEN/A
Earnings (Next)11-04 2025-11-04/bmo
IPO05-17 1991-05-17
Sector
GICS SectorHealth Care
GICS IndustryBiotechnology
GICS IndustryGroupPharmaceuticals, Biotechnology & Life Sciences
GICS SubIndustryBiotechnology


IONS short term performance overview.The bars show the price performance of IONS in the last week, last 2 weeks, last month, last 3 and 6 months. 1 week 2 week 1 month 3 months 6 months 0 10 20

IONS long term performance overview.The bars show the price performance of IONS in the last 1, 2 and 3 years. 1 year 2 years 3 years 0 5 -5 -10

The current stock price of IONS is 42.75 USD. In the past month the price decreased by -1.43%. In the past year, price decreased by -10.34%.

IONIS PHARMACEUTICALS INC / IONS Daily stock chart

IONS Competitors/Peers

The largest stocks on the US markets in the "Biotechnology" sub-industry
Full List
Symbol
Company Name
TA
FA
PE
Market Cap
ABBV ABBVIE INC 19.65 367.55B
AMGN AMGEN INC 13.2 155.03B
GILD GILEAD SCIENCES INC 14.72 141.35B
VRTX VERTEX PHARMACEUTICALS INC 22.97 99.76B
REGN REGENERON PHARMACEUTICALS 12.86 62.21B
ALNY ALNYLAM PHARMACEUTICALS INC N/A 59.53B
ARGX ARGENX SE - ADR 76.37 43.33B
ONC BEONE MEDICINES LTD-ADR 6.06 35.68B
INSM INSMED INC N/A 28.44B
BNTX BIONTECH SE-ADR N/A 24.76B
NTRA NATERA INC N/A 22.38B
BIIB BIOGEN INC 8.52 19.99B

About IONS

Company Profile

IONS logo image Ionis Pharmaceuticals, Inc. engages in the development and commercialization of human therapeutic drugs using antisense technology. The company is headquartered in Carlsbad, California and currently employs 1,069 full-time employees. Its marketed medicines consist of TRYNGOLZA, WAINUA (eplontersen), SPINRAZA (nusinersen), QALSODY (tofersen), TEGSEDI (inotersen) and WAYLIVRA (volanesorsen). TRYNGOLZA reduces triglyceride levels in adults with familial chylomicronemia syndrome (FCS). WAINUA is approved for the treatment of the polyneuropathy of hereditary transthyretin-medicated amyloidosis (ATTRv-PN) in adults. SPINRAZA is used for the treatment of pediatric and adult patients with spinal muscular atrophy. QALSODY is approved for the treatment of Amyotrophic Lateral Sclerosis in adults who have a mutation in the superoxide dismutase 1 (SOD1) gene, or SOD1-ALS. TEGSEDI is approved for the treatment of ATTRv-PN in adults. WAYLIVRA is approved as an adjunct to diet in adult patients with genetically confirmed FCS and at high risk of acute, potentially fatal pancreatitis.

Company Info

IONIS PHARMACEUTICALS INC

2855 Gazelle Court

Carlsbad CALIFORNIA 92010 US

CEO: Brett P. MONIA

Employees: 1069

IONS Company Website

IONS Investor Relations

Phone: 17609319200

IONIS PHARMACEUTICALS INC / IONS FAQ

What is the stock price of IONIS PHARMACEUTICALS INC today?

The current stock price of IONS is 42.75 USD. The price increased by 1.38% in the last trading session.


What is the ticker symbol for IONIS PHARMACEUTICALS INC stock?

The exchange symbol of IONIS PHARMACEUTICALS INC is IONS and it is listed on the Nasdaq exchange.


On which exchange is IONS stock listed?

IONS stock is listed on the Nasdaq exchange.


What is the price forecast or stock price prediction for IONIS PHARMACEUTICALS INC stock?

33 analysts have analysed IONS and the average price target is 60.31 USD. This implies a price increase of 41.08% is expected in the next year compared to the current price of 42.75. Check the IONIS PHARMACEUTICALS INC stock analysts ratings, price target forecast and up-and down grades for more detailed information.


What is IONIS PHARMACEUTICALS INC worth?

IONIS PHARMACEUTICALS INC (IONS) has a market capitalization of 6.81B USD. This makes IONS a Mid Cap stock.


How many employees does IONIS PHARMACEUTICALS INC have?

IONIS PHARMACEUTICALS INC (IONS) currently has 1069 employees.


What are the support and resistance levels for IONIS PHARMACEUTICALS INC (IONS) stock?

IONIS PHARMACEUTICALS INC (IONS) has a support level at 41.63 and a resistance level at 43.59. Check the full technical report for a detailed analysis of IONS support and resistance levels.


Is IONIS PHARMACEUTICALS INC (IONS) expected to grow?

The Revenue of IONIS PHARMACEUTICALS INC (IONS) is expected to grow by 38.9% in the next year. Check the estimates tab for more information on the IONS EPS, Sales, EBIT and EBITDA future analyst estimates.


Should I buy IONIS PHARMACEUTICALS INC (IONS) stock?

There is no straightforward answer here. It depends on your investment strategy as different types of investors will look at different aspects. In any case it is important to make an informed decision and these pages can help you forming an opinion:


Does IONIS PHARMACEUTICALS INC (IONS) stock pay dividends?

IONS does not pay a dividend.


When does IONIS PHARMACEUTICALS INC (IONS) report earnings?

IONIS PHARMACEUTICALS INC (IONS) will report earnings on 2025-11-04, before the market open.


What is the Price/Earnings (PE) ratio of IONIS PHARMACEUTICALS INC (IONS)?

IONIS PHARMACEUTICALS INC (IONS) does not have a PE ratio as the earnings reported over the last twelve months were negative (-1.84).


What is the Short Interest ratio of IONIS PHARMACEUTICALS INC (IONS) stock?

The outstanding short interest for IONIS PHARMACEUTICALS INC (IONS) is 7.46% of its float. Check the ownership tab for more information on the IONS short interest.


IONS Technical Analysis

ChartMill assigns a technical rating of 6 / 10 to IONS. When comparing the yearly performance of all stocks, IONS turns out to be only a medium performer in the overall market: it outperformed 61.61% of all stocks.


Chartmill TA Rating
Chartmill Setup Rating

IONS Fundamental Analysis

ChartMill assigns a fundamental rating of 3 / 10 to IONS. IONS may be in some trouble as it scores bad on both profitability and health.


Chartmill FA Analysis
Valuation
Growth
Profitability
Health
Dividend

IONS Financial Highlights

Over the last trailing twelve months IONS reported a non-GAAP Earnings per Share(EPS) of -1.84. The EPS increased by 26.98% compared to the year before.


Industry RankSector Rank
PM (TTM) N/A
ROA -8.99%
ROE -42.46%
Debt/Equity 0.99
Chartmill High Growth Momentum
EPS Q2Q%255.56%
Sales Q2Q%100.67%
EPS 1Y (TTM)26.98%
Revenue 1Y (TTM)16.05%

IONS Forecast & Estimates

33 analysts have analysed IONS and the average price target is 60.31 USD. This implies a price increase of 41.08% is expected in the next year compared to the current price of 42.75.

For the next year, analysts expect an EPS growth of 15.47% and a revenue growth 38.9% for IONS


Analysts
Analysts81.21
Price Target60.31 (41.08%)
EPS Next Y15.47%
Revenue Next Year38.9%

IONS Ownership

Ownership
Inst Owners106.71%
Ins Owners0.77%
Short Float %7.46%
Short Ratio5.87