Why Ionis Pharmaceuticals (IONS) Is Up After Positive Phase 3 Results for Olezarsen in Hypertriglyceridemia

Simply Wall St
  • Ionis Pharmaceuticals recently announced positive topline results from its Phase 3 CORE and CORE2 studies, where olezarsen achieved statistically significant reductions in fasting triglyceride levels and acute pancreatitis events in people with severe hypertriglyceridemia, alongside a favorable safety profile.
  • An interesting insight is that more than 90% of patients who completed the studies chose to continue into the open-label extension, highlighting strong participant engagement and sustained interest in the therapy.
  • We'll examine how these pivotal Phase 3 outcomes and FDA filing plans for olezarsen could reshape Ionis Pharmaceuticals' investment narrative.

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Ionis Pharmaceuticals Investment Narrative Recap

For investors to consider Ionis Pharmaceuticals, confidence in its ability to convert clinical progress into sustainable, high-margin revenue is essential, particularly as the company works to launch olezarsen for severe hypertriglyceridemia. The strong Phase 3 results could accelerate approval timelines and commercialization, bolstering the most important near-term catalyst, but the primary risk remains: significant margin pressure as pricing adjusts to broader patient populations.

The recent FDA approval of DAWNZERA™ for hereditary angioedema stands out, highlighting Ionis's progress in commercializing late-stage assets and strengthening the case for the company’s evolving product portfolio. As more therapies move closer to market, the underlying question of pricing and payer negotiations becomes even more central to the investment case.

However, investors should also be mindful of the risk that, despite clinical success, pricing pressure as indications broaden may limit earnings growth if ...

Read the full narrative on Ionis Pharmaceuticals (it's free!)

Ionis Pharmaceuticals' narrative projects $1.5 billion revenue and $266.2 million earnings by 2028. This requires 15.4% yearly revenue growth and an improvement in earnings of $534.4 million from the current -$268.2 million.

Uncover how Ionis Pharmaceuticals' forecasts yield a $59.19 fair value, a 3% upside to its current price.

Exploring Other Perspectives

IONS Community Fair Values as at Sep 2025

Simply Wall St Community members provided three fair value estimates for Ionis Pharmaceuticals, ranging sharply from US$36.19 to US$148.82. While revenue growth prospects are compelling, you should consider how broader pricing negotiations could influence future financial performance and review the full spectrum of community perspectives for deeper insight.

Explore 3 other fair value estimates on Ionis Pharmaceuticals - why the stock might be worth over 2x more than the current price!

Build Your Own Ionis Pharmaceuticals Narrative

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.

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