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Ionis Pharmaceuticals Stock Price, News & Analysis

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Welcome to our dedicated page for Ionis Pharmaceuticals news (Ticker: IONS), a resource for investors and traders seeking the latest updates and insights on Ionis Pharmaceuticals stock.

Ionis Pharmaceuticals, Inc. (NASDAQ: IONS) is a biotechnology company that focuses on RNA-targeted medicines for serious diseases, and its news flow reflects this emphasis on clinical, regulatory and commercial milestones. Company updates frequently highlight progress in neurology and cardiometabolic programs, as well as developments in rare conditions where few or no disease-modifying treatments exist.

Recent Ionis news has featured pivotal clinical trial readouts, such as Phase 3 CORE and CORE2 results for olezarsen in severe hypertriglyceridemia, showing large reductions in triglyceride levels and acute pancreatitis events with favorable safety and tolerability. The company has also reported positive pivotal data for zilganersen in Alexander disease, describing evidence of disease-modifying impact in this rare and often fatal neurological condition.

Regulatory and commercial milestones are another major theme. Ionis has announced FDA approval of TRYNGOLZA (olezarsen) for familial chylomicronemia syndrome and DAWNZERA (donidalorsen) for prophylaxis to prevent attacks of hereditary angioedema in adults and adolescents 12 years and older. News items also cover FDA Breakthrough Therapy designations for olezarsen in severe hypertriglyceridemia and zilganersen in Alexander disease, as well as European regulatory opinions and anticipated launches.

Partnered program updates appear regularly, including GSK’s Phase 3 B-Well 1 and B-Well 2 results for bepirovirsen in chronic hepatitis B, Novartis’ Lp(a) HORIZON study of pelacarsen in cardiovascular disease, and AstraZeneca collaborations on WAINUA and eplontersen. Investors can also find coverage of Ionis’ financing activities, such as convertible note offerings, and its participation in healthcare and investor conferences.

For followers of IONS stock, this news page provides a centralized view of Ionis’ clinical trial milestones, FDA and EMA interactions, product launches, collaboration updates and capital markets events, helping readers understand how the company’s RNA-targeted pipeline and marketed medicines are evolving over time.

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Ionis Pharmaceuticals (NASDAQ: IONS) announced significant results from a clinical trial of IONIS-ENAC-2.5Rx, an investigational antisense medicine for cystic fibrosis (CF). The trial demonstrated a mean 55.6% reduction in ENaC mRNA expression at a 75 mg dose (p<0.05), marking a breakthrough in aerosol delivery methods. This study lays the groundwork for future developments in treating CF and other lung diseases. The company plans to present additional data at the 2020 North American Cystic Fibrosis Conference from Oct. 21-23 and initiate a study for COPD later this year.

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Ionis Pharmaceuticals (NASDAQ: IONS) announced that Frank Bennett, Ph.D., received the 2020 Lifetime Achievement Award from the Oligonucleotide Therapeutics Society. Dr. Bennett was honored for his significant contributions to antisense oligonucleotide drugs aimed at correcting severe genetic diseases. He is a founding member of Ionis and leads neurological programs. Additionally, Ionis scientists won the Paper of the Year Award for their research on a new antisense mechanism, reinforcing the company's leadership in RNA-targeted therapeutics.

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Ionis Pharmaceuticals (NASDAQ: IONS) and Genuity Science have announced a multi-year collaboration focused on accelerating the development of therapeutics for up to 20 diseases. Genuity Science will leverage whole-genome sequencing and deep phenotype data, enhancing Ionis' antisense technology to expedite drug development. The partnership involves upfront payments, milestone incentives, and royalties, aimed at increasing discovery opportunities and understanding genetic disease complexities.

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Ionis Pharmaceuticals (NASDAQ: IONS) announced that the FDA has granted orphan drug designation to ION373 for treating Alexander disease, a rare neurodegenerative disease. This designation is crucial as it highlights the urgent need for effective treatments for this debilitating condition, which affects roughly one in one million births.

The FDA's Orphan Drug Act offers significant incentives, including a seven-year market exclusivity after approval. Ionis previously received similar status from the EMA, reflecting global recognition of ION373's potential in addressing unmet medical needs.

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Ionis Pharmaceuticals (Nasdaq: IONS) announced its participation in several virtual investor conferences. Management will present at the Wells Fargo Healthcare Conference on September 10, 2020, followed by the Morgan Stanley Global Healthcare Conference on September 14, 2020, the BofA Global Healthcare Conference on September 18, 2020, and the Oppenheimer Life Sciences Summit on September 22, 2020. The presentation details will be available on Ionis' website, with live webcasts and later replays offered. Ionis leads in RNA-targeted drug development.

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Ionis Pharmaceuticals (NASDAQ: IONS) has published promising results from a compassionate-use study of its investigational drugs, IONIS-PKKRx and IONIS-PKK-LRx, for treating severe hereditary angioedema (HAE). The study shows these antisense medicines effectively reduced plasma prekallikrein activity and cut breakthrough attack rates in patients. Notably, one patient achieved complete resolution of symptoms. Ionis is advancing the development of IONIS-PKK-LRx, which offers a potential monthly treatment option, aiming to improve patient outcomes.

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Akcea Therapeutics and Ionis Pharmaceuticals announced positive results from the Phase 2 clinical trial of vupanorsen (AKCEA-ANGPTL3-LRx) at the ESC Congress 2020. The trial showed significant reductions in triglyceride levels, achieving a maximum reduction of 53% with the 80 mg dose. The therapy demonstrated a favorable safety profile, with injection site reactions being the most common adverse events. This investigational antisense therapy targets ANGPTL3 to reduce cardiovascular risks. Pfizer plans further Phase 2b studies to optimize dosing.

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Akcea Therapeutics (NASDAQ: AKCA) and Ionis Pharmaceuticals (NASDAQ: IONS) announced positive results from the Phase 2 study of AKCEA-APOCIII-LRx, presented at the ESC Congress 2020. The study demonstrated significant reductions in triglyceride levels (TG) and apoC-III, with a notable 62% reduction in TG at the highest dose administered. Furthermore, 91% of patients achieved TG levels below 150 mg/dL at six months. The drug exhibited a favorable safety profile, with plans for a Phase 3 trial targeting familial chylomicronemia syndrome (FCS) later this year.

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Ionis Pharmaceuticals will host a live webcast on September 2 at 10:00 a.m. ET to discuss its cardio-renal franchise. The 90-minute session will feature presentations from its executives, including Brett P. Monia and Sam Tsimikas. Key topics will include advances in RNA-targeted drug discovery and specific medicines aimed at treating triglyceride-driven diseases, thrombosis, and treatment-resistant hypertension. The webcast can be accessed at www.ionispharma.com.

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On August 24, 2020, Akcea Therapeutics and Ionis Pharmaceuticals announced that data from the Phase 2 clinical trial of vupanorsen (AKCEA-ANGPTL3-LRx) will be presented at the ESC Congress 2020, scheduled for August 29-September 1, 2020. Vupanorsen is an investigational therapy targeting cardiovascular diseases by reducing ANGPTL3 protein levels in patients with conditions such as hypertriglyceridemia and type 2 diabetes. The companies previously secured a $250 million licensing deal with Pfizer, which will assume further development responsibilities.

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FAQ

What is the current stock price of Ionis Pharmaceuticals (IONS)?

The current stock price of Ionis Pharmaceuticals (IONS) is $74.79 as of April 2, 2026.

What is the market cap of Ionis Pharmaceuticals (IONS)?

The market cap of Ionis Pharmaceuticals (IONS) is approximately 12.4B.

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IONS Stock Data

12.41B
163.82M
Biotechnology
Pharmaceutical Preparations
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United States
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