36.15
price up icon2.58%   0.91
pre-market  Pre-market:  35.14   -1.01   -2.79%
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Ionis Pharmaceuticals Inc stock is traded at $36.15, with a volume of 1.62M. It is up +2.58% in the last 24 hours and up +7.72% over the past month. 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 received FDA approval in 2024 for Tryngolza for a rare high-triglyceride syndrome, marking its first independent launch.
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Previous Close:
$35.24
Open:
$35.7
24h Volume:
1.62M
Relative Volume:
1.00
Market Cap:
$5.86B
Revenue:
$705.14M
Net Income/Loss:
$-453.90M
P/E Ratio:
-11.89
EPS:
-3.04
Net Cash Flow:
$-551.29M
1W Performance:
-1.87%
1M Performance:
+7.72%
6M Performance:
-4.06%
1Y Performance:
-11.31%
1-Day Range:
Value
$34.84
$36.33
1-Week Range:
Value
$34.77
$36.98
52-Week Range:
Value
$23.95
$52.34

Ionis Pharmaceuticals Inc Stock (IONS) Company Profile

Name
Name
Ionis Pharmaceuticals Inc
Name
Phone
(760) 931-9200
Name
Address
2855 GAZELLE COURT, CARLSBAD, CA
Name
Employee
927
Name
Twitter
@ionispharma
Name
Next Earnings Date
2024-11-06
Name
Latest SEC Filings
Name
IONS's Discussions on Twitter

Compare IONS with other stocks

Stocks Price Market Cap Revenue Net Income Cash Flow EPS
Biotechnology icon
IONS
Ionis Pharmaceuticals Inc
36.15 5.86B 705.14M -453.90M -551.29M -3.04
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VRTX
Vertex Pharmaceuticals Inc
441.99 115.95B 11.10B -988.90M -1.26B -3.92
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REGN
Regeneron Pharmaceuticals Inc
508.86 56.52B 14.09B 4.50B 2.96B 39.28
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ALNY
Alnylam Pharmaceuticals Inc
308.71 39.44B 2.35B -269.70M -75.39M -2.09
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ARGX
Argen X Se Adr
540.71 35.14B 2.58B 1.06B -1.28B 16.33
Biotechnology icon
ONC
Beone Medicines Ltd Adr
254.09 28.51B 3.81B -644.79M -669.77M -6.24

Ionis Pharmaceuticals Inc Stock (IONS) Upgrades & Downgrades

Date Action Analyst Rating Change
Apr-07-25 Initiated H.C. Wainwright Buy
Mar-31-25 Initiated Redburn Atlantic Neutral
Aug-02-24 Downgrade BMO Capital Markets Outperform → Market Perform
Jul-24-24 Upgrade Leerink Partners Market Perform → Outperform
Jul-16-24 Resumed Jefferies Buy
Jun-14-24 Upgrade Bernstein Underperform → Mkt Perform
Apr-10-24 Upgrade Wolfe Research Peer Perform → Outperform
Jan-02-24 Upgrade BofA Securities Neutral → Buy
Oct-23-23 Upgrade BofA Securities Underperform → Neutral
Sep-29-23 Initiated Raymond James Strong Buy
Jul-31-23 Upgrade Citigroup Neutral → Buy
Jun-07-23 Resumed Piper Sandler Overweight
May-04-23 Upgrade Citigroup Sell → Neutral
Mar-21-23 Initiated Bernstein Underperform
Dec-21-22 Downgrade Morgan Stanley Overweight → Equal-Weight
Sep-09-22 Resumed Morgan Stanley Overweight
Jul-18-22 Resumed Oppenheimer Outperform
Mar-31-22 Resumed Piper Sandler Overweight
Mar-01-22 Initiated Citigroup Sell
Mar-01-22 Initiated Guggenheim Buy
Feb-01-22 Downgrade BofA Securities Buy → Underperform
Dec-14-21 Upgrade William Blair Mkt Perform → Outperform
May-07-21 Upgrade UBS Sell → Neutral
Mar-01-21 Upgrade Barclays Underweight → Equal Weight
Dec-16-20 Initiated UBS Sell
Dec-15-20 Upgrade Cowen Market Perform → Outperform
Sep-14-20 Resumed JP Morgan Neutral
Sep-02-20 Initiated The Benchmark Company Hold
Jun-01-20 Resumed Oppenheimer Outperform
May-13-20 Initiated RBC Capital Mkts Outperform
Mar-05-20 Initiated Citigroup Buy
Dec-13-19 Initiated Oppenheimer Outperform
Nov-13-19 Initiated BofA/Merrill Buy
Nov-07-19 Downgrade Morgan Stanley Equal-Weight → Underweight
Sep-10-19 Upgrade Bernstein Mkt Perform → Outperform
Aug-08-18 Reiterated Stifel Hold
Aug-07-18 Reiterated Stifel Hold
May-08-18 Downgrade Evercore ISI Outperform → In-line
Oct-06-17 Resumed Goldman Sell
Aug-17-17 Initiated Evercore ISI Outperform
Aug-09-17 Reiterated Stifel Hold
Mar-10-17 Downgrade Goldman Neutral → Sell
Dec-28-16 Reiterated BMO Capital Markets Outperform
Dec-27-16 Reiterated Leerink Partners Mkt Perform
View All

Ionis Pharmaceuticals Inc Stock (IONS) Latest News

pulisher
Jun 17, 2025

Global RNAi Technology Market: Opportunities in Targeted - openPR.com

Jun 17, 2025
pulisher
Jun 16, 2025

Antisense Oligonucleotides Market is expected to reach US$ - openPR.com

Jun 16, 2025
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Jun 13, 2025

Ionis announces leadership change as chief development officer plans retirement - Investing.com India

Jun 13, 2025
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Jun 12, 2025

Ionis announces Dr. Richard Geary, chief development officer, to - GuruFocus

Jun 12, 2025
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Jun 12, 2025

Ionis announces leadership change as chief development officer plans retirement By Investing.com - Investing.com South Africa

Jun 12, 2025
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Jun 12, 2025

JP Morgan Maintains Neutral Rating, Raises Price Target for Ionis Pharmaceuticals (IONS) | IONS Stock News - GuruFocus

Jun 12, 2025
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Jun 12, 2025

Analyst Expectations For Ionis Pharmaceuticals's Future - Benzinga

Jun 12, 2025
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Jun 12, 2025

Ionis Pharmaceuticals (IONS) Announces Leadership Change in Development | IONS Stock News - GuruFocus

Jun 12, 2025
pulisher
Jun 12, 2025

Ionis announces Dr. Richard Geary, chief development officer, to retire; Dr. Holly Kordasiewicz to assume role in January 2026 | IONS Stock News - GuruFocus

Jun 12, 2025
pulisher
Jun 12, 2025

Ionis Pharmaceuticals Announces Dr Richard Geary, Chief Development Officer, To Retire - marketscreener.com

Jun 12, 2025
pulisher
Jun 12, 2025

Ionis announces Dr. Richard Geary, chief development officer, to retire; Dr. Holly Kordasiewicz to assume role in January 2026 - The Joplin Globe

Jun 12, 2025
pulisher
Jun 12, 2025

Ionis Pharmaceuticals Inc. filed SEC Form 8-K: Leadership Update, Financial Statements and Exhibits - Quantisnow

Jun 12, 2025
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Jun 12, 2025

JPMorgan Adjusts Ionis Pharmaceuticals (IONS) Price Target to $4 - GuruFocus

Jun 12, 2025
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Jun 12, 2025

JPMorgan Adjusts Ionis Pharmaceuticals (IONS) Price Target to $48 | IONS Stock News - GuruFocus

Jun 12, 2025
pulisher
Jun 12, 2025

Ionis doses first subject in Phase III trial of Angelman syndrome therapy - Clinical Trials Arena

Jun 12, 2025
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Jun 11, 2025

First patient dosed in pivotal Phase 3 REVEAL clinical study of ION582 in Angelman syndrome | IONS Stock News - GuruFocus

Jun 11, 2025
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Jun 11, 2025

Ionis begins phase 3 trial of Angelman syndrome treatment By Investing.com - Investing.com Canada

Jun 11, 2025
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Jun 11, 2025

Ionis Pharmaceuticals (IONS) Advances with Phase 3 REVEAL Study for Angelman Syndrome | IONS Stock News - GuruFocus

Jun 11, 2025
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Jun 11, 2025

First patient dosed in pivotal Phase 3 REVEAL clinical study of ION582 in Angelman syndrome - Yahoo Finance

Jun 11, 2025
pulisher
Jun 10, 2025

Ionis Pharmaceuticals reports annual meeting results - Investing.com Australia

Jun 10, 2025
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Jun 10, 2025

Ionis Pharmaceuticals reports annual meeting results By Investing.com - Investing.com Nigeria

Jun 10, 2025
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Jun 10, 2025

Ionis Pharmaceuticals Holds Annual Stockholders Meeting - TipRanks

Jun 10, 2025
pulisher
Jun 10, 2025

Day 8 of Gains Streak for Ionis Pharmaceuticals Stock with 13% Return (vs. 5.1% YTD) [6/9/2025] - Trefis

Jun 10, 2025
pulisher
Jun 09, 2025

Breakthrough Growth in Transthyretin Amyloid Cardiomyopathy - openPR.com

Jun 09, 2025
pulisher
Jun 07, 2025

Ionis Pharmaceuticals, Inc. (NASDAQ:IONS) Given Average Recommendation of “Moderate Buy” by Brokerages - Defense World

Jun 07, 2025
pulisher
Jun 06, 2025

Ionis Pharmaceuticals (NASDAQ:IONS) versus Akero Therapeutics (NASDAQ:AKRO) Financial Contrast - Defense World

Jun 06, 2025
pulisher
Jun 05, 2025

Transcript : Ionis Pharmaceuticals, Inc.Shareholder/Analyst Call - marketscreener.com

Jun 05, 2025
pulisher
Jun 01, 2025

10 Promising Biotech Stocks to Invest in (June 2025) - Securities.io

Jun 01, 2025
pulisher
May 31, 2025

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Grows Stock Position in Ionis Pharmaceuticals, Inc. (NASDAQ:IONS) - Defense World

May 31, 2025
pulisher
May 30, 2025

Why Is Ionis Pharmaceuticals (IONS) Up 5.5% Since Last Earnings Report? - Yahoo Finance

May 30, 2025
pulisher
May 30, 2025

We Discuss Why Ionis Pharmaceuticals, Inc.'s (NASDAQ:IONS) CEO Compensation May Be Closely Reviewed - simplywall.st

May 30, 2025
pulisher
May 29, 2025

Transthyretin Amyloid Cardiomyopathy Treatment Market Deep Research ReportPfizer, Ionis Pharmaceuticals - openPR.com

May 29, 2025
pulisher
May 28, 2025

Type 2 Diabetes Pipeline 2025: Therapies Under Investigation, - openPR.com

May 28, 2025
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May 27, 2025

Ionis Pharmaceuticals’ SWOT analysis: RNA therapeutics firm faces pivotal year for stock - Investing.com

May 27, 2025
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May 26, 2025

Angioedema Treatment Market Insights and Forecast from 2025 - openPR.com

May 26, 2025
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May 26, 2025

Hereditary Angioedema Drugs Market 2034: EMA, PDMA, FDA - openPR.com

May 26, 2025
pulisher
May 25, 2025

D. E. Shaw & Co. Inc. Reduces Stock Holdings in Ionis Pharmaceuticals, Inc. (NASDAQ:IONS) - Defense World

May 25, 2025
pulisher
May 23, 2025

Ionis’ olezarsen shows new promise with strong Phase III results - The Pharma Letter

May 23, 2025
pulisher
May 23, 2025

December 2027 Options Now Available For Ionis Pharmaceuticals (IONS) - Nasdaq

May 23, 2025
pulisher
May 22, 2025

Ionis reports success in olezarsen trial for high triglycerides - Yahoo

May 22, 2025
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May 22, 2025

Treatment-Resistant Hypertension Market: Epidemiology, - openPR.com

May 22, 2025
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May 22, 2025

Ionis Pharmaceuticals (NASDAQ:IONS) Earns Buy Rating from HC Wainwright - Defense World

May 22, 2025
pulisher
May 21, 2025

Ionis' Tryngolza Cuts Triglyceride Levels in Late-Stage Study - MSN

May 21, 2025
pulisher
May 21, 2025

Hereditary Angioedema Market Set to Grow Substantially Through - openPR.com

May 21, 2025
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May 21, 2025

Analysts Offer Insights on Healthcare Companies: Strata Skin Sciences (SSKN), Ionis Pharmaceuticals (IONS) and Maze Therapeutics, Inc. (MAZE) - The Globe and Mail

May 21, 2025
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May 21, 2025

Transcript : Ionis Pharmaceuticals, Inc. Presents at RBC Capital Markets Global Healthcare Conference 2025, May-21-2025 08 - marketscreener.com

May 21, 2025
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May 21, 2025

Ionis Pharmaceuticals, Inc. (NASDAQ:IONS) Shares Purchased by Janus Henderson Group PLC - Defense World

May 21, 2025
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May 20, 2025

Ionis reports positive data from study of olezarsen for hypertriglyceridemia - Clinical Trials Arena

May 20, 2025
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May 20, 2025

Ionis Pharmaceuticals (IONS) Receives Buy Rating from HC Wainwri - GuruFocus

May 20, 2025

Ionis Pharmaceuticals Inc Stock (IONS) Financials Data

Revenue

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Net Income

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Cash Flow

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EPS

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$22.03
price down icon 3.63%
$34.56
price down icon 1.54%
$19.85
price down icon 0.50%
$100.28
price down icon 1.29%
$104.97
price down icon 1.28%
biotechnology ONC
$254.09
price down icon 3.91%
Cap:     |  Volume (24h):