Stock Analysis

A Fresh Look at Regeneron Pharmaceuticals (REGN) Valuation After FDA Approval Expands Eylea HD’s Market Potential

Regeneron Pharmaceuticals (REGN) just received FDA approval for its Eylea HD 8 mg injection to treat macular edema following retinal vein occlusion. This approval offers patients the possibility of fewer required treatments compared to previous options.

See our latest analysis for Regeneron Pharmaceuticals.

The FDA’s green light for Eylea HD comes after a burst of momentum for Regeneron. The company has seen a 30.8% share price return over the last month alone and several promising clinical updates making headlines. While the stock’s long-term total shareholder returns have been modest in recent years, recent momentum suggests investors are warming up again as new product approvals highlight the company’s growth potential.

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With shares already rallying over 30% in the past month, are investors looking at a fresh buying opportunity in Regeneron, or has the latest FDA approval already been priced into the stock’s future growth?

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Most Popular Narrative: Fairly Valued

With Regeneron's fair value estimate at $753, just a whisker below its last close of $755.90, the dominant narrative sees the stock priced almost precisely in line with expectations. The valuation hinges on catalysts and projected financial trends that justify a premium above recent trading levels.

The successful ramp of EYLEA HD, which is gaining physician adoption due to its clinical profile and durability, along with anticipated regulatory approvals for label enhancements (pending resolution of manufacturing site issues), could help offset patent/biosimilar pressures on legacy EYLEA, supporting stabilization and potential growth in core revenue and sustaining healthy margins over the next several years.

Read the complete narrative.

Curious why this price is no accident? Analysts pack their narrative with optimistic growth levers, volume expansion, margin defense, and a mix of bold financial assumptions that might surprise even the seasoned investor. Interested in what pricing power, profit targets, and future multiples really drive this valuation math? Find out what could tip the balance.

Result: Fair Value of $753 (ABOUT RIGHT)

Have a read of the narrative in full and understand what's behind the forecasts.

However, ongoing regulatory delays and mounting competition for Eylea could quickly challenge the current growth story. This introduces uncertainty into Regeneron’s outlook.

Find out about the key risks to this Regeneron Pharmaceuticals narrative.

Another View: Sizing Up Peer Comparisons

While the fair value narrative puts Regeneron right at its current price, a look at the price-to-earnings ratio tells a different story. At 16.9x, it trades below both the US Biotechs industry average (18.2x) and its peers (22.7x), and far below its fair ratio of 26.8x. This suggests the market could be underappreciating the company's fundamentals, which may offer more room for upside, or there could be a reason for caution.

See what the numbers say about this price — find out in our valuation breakdown.

NasdaqGS:REGN PE Ratio as at Nov 2025
NasdaqGS:REGN PE Ratio as at Nov 2025

Build Your Own Regeneron Pharmaceuticals Narrative

If you see things differently or want a deeper look into the numbers, you can assemble your personal take on Regeneron in just a few minutes, and Do it your way.

A good starting point is our analysis highlighting 3 key rewards investors are optimistic about regarding Regeneron Pharmaceuticals.

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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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