Ionis Pharmaceuticals, Inc. (IONS)

NASDAQ: IONS · Real-Time Price · USD
76.33
-0.88 (-1.14%)
Jan 16, 2026, 4:00 PM EST - Market closed
-1.14%
Market Cap12.36B
Revenue (ttm)966.96M
Net Income (ttm)-256.34M
Shares Out 161.97M
EPS (ttm)-1.61
PE Ration/a
Forward PEn/a
Dividendn/a
Ex-Dividend Daten/a
Volume3,020,899
Open77.15
Previous Close77.21
Day's Range74.49 - 78.00
52-Week Range23.95 - 86.15
Beta0.28
AnalystsStrong Buy
Price Target83.64 (+9.58%)
Earnings DateFeb 18, 2026

About IONS

Ionis Pharmaceuticals, Inc., a commercial-stage biotechnology company, provides RNA-targeted medicines in the United States. The company offers TRYNGOLZA reduces triglyceride levels in adults with familial chylomicronemia syndrome (FCS) and acute pancreatitis; WAINUA for the treatment of the polyneuropathy of hereditary transthyretin-medicated amyloidosis (ATTRv-PN) in adults; and SPINRAZA for pediatric and adult patients with spinal muscular atrophy (SMA). It also provides QALSODY for the treatment of Amyotrophic Lateral Sclerosis (ALS); TEGSE... [Read more]

Industry Biotechnology
Sector Healthcare
IPO Date May 17, 1991
Employees 1,069
Stock Exchange NASDAQ
Ticker Symbol IONS
Full Company Profile

Financial Performance

In 2024, Ionis Pharmaceuticals's revenue was $705.14 million, a decrease of -10.48% compared to the previous year's $787.65 million. Losses were -$453.90 million, 23.9% more than in 2023.

Financial Statements

Analyst Summary

According to 22 analysts, the average rating for IONS stock is "Strong Buy." The 12-month stock price target is $83.64, which is an increase of 9.58% from the latest price.

Price Target
$83.64
(9.58% upside)
Analyst Consensus: Strong Buy
Stock Forecasts

News

Ionis Pharmaceuticals, Inc. (IONS) Presents at 44th Annual J.P. Morgan Healthcare Conference Transcript

Ionis Pharmaceuticals, Inc. (IONS) Presents at 44th Annual J.P. Morgan Healthcare Conference Transcript

4 days ago - Seeking Alpha

Ionis well-positioned for continued momentum and substantial value creation in 2026 with two new independent launches and several pivotal data readouts

CARLSBAD, Calif.--(BUSINESS WIRE)--Ionis Pharmaceuticals, Inc. (Nasdaq: IONS) today announced highlights from the Company's 2025 achievements and provided additional updates on key milestones expected...

5 days ago - Business Wire

GSK/Ionis Partnered Investigational Drug Shows Strong Results In Large Hepatitis B Studies

Ionis Pharmaceuticals Inc. (NASDAQ: IONS) partner GSK Plc (NYSE: GSK) on Wednesday shared data from two pivotal Phase 3 studies, B-Well 1 and B-Well 2, of bepirovirsen, an investigational antisense ol...

Other symbols: GSK
10 days ago - Benzinga

Ionis partner GSK announces positive topline results from B-Well 1 and B-Well 2 Phase 3 studies for bepirovirsen, a potential first-in-class medicine for chronic hepatitis B

CARLSBAD, Calif.--(BUSINESS WIRE)--Ionis Pharmaceuticals, Inc. (Nasdaq: IONS) partner GSK today announced positive results from two pivotal Phase 3 studies, B-Well 1 and B-Well 2, evaluating the safet...

10 days ago - Business Wire

Ionis to present at 44th Annual J.P. Morgan Healthcare Conference

CARLSBAD, Calif.--(BUSINESS WIRE)--Ionis Pharmaceuticals, Inc. (Nasdaq: IONS) today announced that Brett P. Monia, Ph.D., chief executive officer, will present a company overview at the 44th Annual J....

11 days ago - Business Wire

Ionis receives U.S. FDA Breakthrough Therapy designation for zilganersen for Alexander disease (AxD)

CARLSBAD, Calif.--(BUSINESS WIRE)--Ionis Pharmaceuticals, Inc. (Nasdaq: IONS) today announced that the U.S. Food and Drug Administration (FDA) has granted Breakthrough Therapy designation to zilganers...

6 weeks ago - Business Wire

Ionis receives U.S. FDA Breakthrough Therapy designation for olezarsen for severe hypertriglyceridemia (sHTG)

CARLSBAD, Calif.--(BUSINESS WIRE)--Ionis Pharmaceuticals, Inc. (Nasdaq: IONS) today announced that the U.S. Food and Drug Administration (FDA) has granted Breakthrough Therapy designation to olezarsen...

6 weeks ago - Business Wire

Ionis Pharmaceuticals, Inc. (IONS) Presents at Jefferies London Healthcare Conference 2025 Transcript

Ionis Pharmaceuticals, Inc. ( IONS) Jefferies London Healthcare Conference 2025 November 18, 2025 8:30 AM EST Company Participants Brett Monia - Founder, CEO & Director Conference Call Participants A...

2 months ago - Seeking Alpha

Biogen Completes Acquisition of Alcyone Therapeutics

CAMBRIDGE, Mass., Nov. 14, 2025 (GLOBE NEWSWIRE) -- Biogen Inc. (Nasdaq: BIIB) has completed the acquisition of Alcyone Therapeutics, a clinical-stage biotechnology company known for its innovative CN...

Other symbols: BIIB
2 months ago - GlobeNewsWire

DAWNZERA™ (donidalorsen) receives positive opinion from CHMP, recommended for approval in EU for hereditary angioedema (HAE)

CARLSBAD, Calif.--(BUSINESS WIRE)--Ionis Pharmaceuticals, Inc. (Nasdaq: IONS) and Otsuka Pharmaceutical Co., Ltd. (Otsuka) today announced that the Committee for Medicinal Products for Human Use (CHMP...

2 months ago - Business Wire

Ionis Pharmaceuticals, Inc. (IONS) Presents at Stifel 2025 Healthcare Conference Transcript

Ionis Pharmaceuticals, Inc. ( IONS) Stifel 2025 Healthcare Conference November 13, 2025 8:00 AM EST Company Participants Kyle Jenne - Executive VP & Chief Global Product Strategy Officer Elizabeth L....

2 months ago - Seeking Alpha

Ionis Prices Convertible Notes Offering to Refinance 2026 Convertible Notes

CARLSBAD, Calif.--(BUSINESS WIRE)--Ionis Pharmaceuticals, Inc. (NASDAQ: IONS) announced today the pricing of $700.0 million aggregate principal amount of 0.00% Convertible Senior Notes due 2030 (the “...

2 months ago - Business Wire

Ionis to present at upcoming investor conferences

CARLSBAD, Calif.--(BUSINESS WIRE)--Ionis Pharmaceuticals, Inc. (Nasdaq: IONS) today announced that management will participate in fireside chats at the following investor conferences: Stifel 2025 Heal...

2 months ago - Business Wire

Ionis Announces Proposed Convertible Offering to Refinance 2026 Convertible Notes

CARLSBAD, Calif.--(BUSINESS WIRE)--Ionis Pharmaceuticals, Inc. (NASDAQ: IONS) announced today that it intends to offer, subject to market conditions and other factors, $700.0 million aggregate princip...

2 months ago - Business Wire

Ionis Pharmaceuticals, Inc. (IONS) Discusses Detailed Phase III Results for Olezarsen in Severe Hypertriglyceridemia Transcript

Ionis Pharmaceuticals, Inc. ( IONS) Discusses Detailed Phase III Results for Olezarsen in Severe Hypertriglyceridemia November 8, 2025 3:00 PM EST Company Participants D. Walke - Senior Vice Presiden...

2 months ago - Seeking Alpha

Ionis: Near-Term Launches With Blockbuster Potential Boosts Upside Despite Stock Rally

Ionis Pharmaceuticals maintains a Buy rating as its transformation to a commercial company accelerates, driven by wholly-owned product launches and revenue growth. Q3 results highlight a revenue shift...

2 months ago - Seeking Alpha

Ionis Reports Substantial Drop In Acute Pancreatitis Events With Cholesterol Lowering Drug

Ionis Pharmaceuticals, Inc. (NASDAQ:IONS) on Sunday shared results from the pivotal Phase 3 CORE and CORE2 studies of olezarsen for severe hypertriglyceridemia (sHTG), a condition characterized by dan...

2 months ago - Benzinga

Groundbreaking pivotal study results of olezarsen for severe hypertriglyceridemia (sHTG) presented as a late breaker at AHA Scientific Sessions

CARLSBAD, Calif.--(BUSINESS WIRE)--Ionis Pharmaceuticals, Inc. (Nasdaq: IONS) today announced positive results from the pivotal Phase 3 CORE and CORE2 studies of olezarsen in people with severe hypert...

2 months ago - Business Wire

Ionis presents new data demonstrating long-term disease control with DAWNZERA™ (donidalorsen) at ACAAI 2025 Annual Meeting

CARLSBAD, Calif.--(BUSINESS WIRE)--Ionis Pharmaceuticals, Inc. (Nasdaq: IONS) today announced new long-term data for DAWNZERA™ (donidalorsen), the first and only RNA-targeted prophylactic medicine for...

2 months ago - Business Wire

Ionis: What Upside Is Left After Shares Rocketed Higher Following Positive Trial Data?

Ionis Pharmaceuticals, Inc. has surged on strong phase-3 trial data and a robust pipeline, but much optimism is already priced in. IONS boasts recent drug launches (Wainua, Tryngolza, Dawnzera) with s...

2 months ago - Seeking Alpha

Ionis Pharmaceuticals, Inc. (IONS) Q3 2025 Earnings Call Transcript

Ionis Pharmaceuticals, Inc. ( IONS) Q3 2025 Earnings Call October 29, 2025 11:30 AM EDT Company Participants D. Walke - Senior Vice President of Investor Relations Brett Monia - Founder, CEO & Direct...

2 months ago - Seeking Alpha

Ionis reports third quarter 2025 financial results and highlights progress on key programs

CARLSBAD, Calif.--(BUSINESS WIRE)--Ionis Pharmaceuticals, Inc. (Nasdaq: IONS) (the “Company”) today reported financial results and provided key updates for the third quarter ended September 30, 2025. ...

2 months ago - Business Wire

Detailed data from the landmark CORE and CORE2 pivotal studies of olezarsen for sHTG to be presented as a late breaker at AHA Scientific Sessions

CARLSBAD, Calif.--(BUSINESS WIRE)--Ionis Pharmaceuticals, Inc. (Nasdaq: IONS) today announced that detailed data from the landmark pivotal Phase 3 CORE and CORE2 studies of olezarsen in people with se...

2 months ago - Business Wire

Ionis ranked #2 Top Employer by Science magazine, recognizing industry-leading scientific innovation and company culture

CARLSBAD, Calif.--(BUSINESS WIRE)--Ionis Pharmaceuticals, Inc. (Nasdaq: IONS) today announced the company was named as a top employer to work for by Science magazine in its annual Top Employer survey ...

3 months ago - Business Wire

Ionis CEO Brett P. Monia receives 2025 Lifetime Achievement Award from the Oligonucleotide Therapeutics Society

CARLSBAD, Calif.--(BUSINESS WIRE)--Ionis Pharmaceuticals, Inc. (Nasdaq: IONS) today announced that Brett P. Monia, Ph.D., Ionis' chief executive officer, was awarded the 2025 Lifetime Achievement Awar...

3 months ago - Business Wire