IONS
IONSXNAS

Ionis Pharmaceuticals, Inc. Common Stock

Market cap $7.5B

$46.47

-15.27 (-24.73%)past year

IONS

$46.47

+3.64% today

Market price$46.47
Shares1
Est. total$46.47

Buy with €1M virtual cash · No real money

Ionis Pharmaceuticals, Inc. Common Stock (IONS) is a publicly traded company listed on the XNAS. As of September 17, 2026, Invest's signal rates IONS a Sell, with the stock down 24% over the past year. You can practice trading IONS risk-free with €1,000,000 in virtual cash.

Key stats

As of September 17, 2026

Market Cap

$7.5B

Volume

2.2M

52-wk High

$86.74

52-wk Low

$44.66

Day High

$47.42

Day Low

$45.75

Revenue (TTM)

$874.1M

EPS (TTM)

$-3.46

Performance

1M

-22.1%

6M

-35.2%

1Y

-24.2%

Invest signal · IONS

Sell
SellHoldBuy
1-year trend-24%
3-month momentum-37%
Revenue growth (QoQ)+8.9%
Profitability (EPS)Unprofitable

Algorithmic signal from price trend, valuation, and fundamentals — educational only, not financial advice.

IONS overview

AI overview

Revenue & EPS — last 8 quarters

QoQ rev +8.9%

Revenue

$268M
Q3 '24
Q4 '24
Q1 '25
Q2 '25
Q3 '25
Q4 '25
Q1 '26
Q2 '26

EPS (diluted)

$-0.69 per share
Q3 '24
Q4 '24
Q1 '25
Q2 '25
Q3 '25
Q4 '25
Q1 '26
Q2 '26

About Ionis Pharmaceuticals, Inc. Common Stock

Ionis Pharmaceuticals is the leading developer of antisense technology to discover and develop novel drugs. Its broad clinical and preclinical pipeline targets a wide variety of diseases, with an emphasis on cardiovascular, metabolic, neurological, and rare diseases. Ionis and Biogen brought Spinraza to market in 2016 as a treatment for spinal muscular atrophy, and Biogen launched ALS drug Qalsody in 2023.

Ionis brought two additional drugs to market via its cardiovascular-focused subsidiary Akcea, including ATTR amyloidosis drug Tegsedi (2018) and cardiology drug Waylivra (Europe, 2019). Ionis and AstraZeneca launched polyneuropathy drug Wainua in 2024. Ionis marked its first two independent launches in 2025 for Tryngolza (for FCS) and Dawnzera (for HAE).

Employees

1,402

www.ionis.com

30-Day Win Rate · IONS

38%WIN RATE
Up days

9 days

Down days

15 days

Last 24 sessions

How to practice trading IONS

  1. 1

    Use the IONS buy panel above

    Set a quantity and hit Buy at the real market price — right here, nothing to download.

  2. 2

    Trade with €1,000,000 virtual cash

    You get a million in virtual money instantly to invest, risk-free.

  3. 3

    Create a free account to save it

    Sign up in seconds to keep your portfolio and track its performance.

  4. 4

    Track and compete

    Watch your portfolio grow and climb the global leaderboard — or start a private league.

  5. 5

    Prefer mobile? Get the iOS app

    Invest is also free on the App Store, synced with your web account.

Top IONS traders on Invest

Full leaderboard
🥇carlos_m+135.0%
🥈Sarah K.+130.0%
🥉Daniel O.+123.0%
#4Chloe N.+120.0%
#5alex_wong+113.0%

Frequently asked questions

Is IONS a good stock to buy right now?

As of September 17, 2026, Invest's signal rates IONS a Sell, based on its price trend, valuation, and fundamentals, with the stock down 24% over the past year. This is an educational signal, not financial advice — the best way to test the thesis is to practice trading IONS risk-free first.

What is Ionis Pharmaceuticals, Inc. Common Stock's (IONS) market cap?

Ionis Pharmaceuticals, Inc. Common Stock has a market capitalization of approximately $7.5B, on trailing-twelve-month revenue of about $874.1M.

How has IONS stock performed?

IONS is down 24% over the past year and down 35% over six months. Its 52-week range runs roughly from $44.66 to $86.74. Past performance doesn't predict future results.

How can I practice trading IONS for free?

On Invest you get €1,000,000 in virtual cash and can buy IONS at real market prices right in your browser — no download and no real money at risk. Create a free account to save your portfolio and track its performance over time.

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Invest — Stock Market SimulatorNot financial advice.