Update shared on 10 Dec 2025
Fair value Increased 0.39%Analysts have modestly increased their price target for Biogen, lifting fair value by about $1 to roughly $179 per share. They cite easing policy overhangs, growing confidence in 2025 to 2026 fundamentals, and potential upside from Leqembi and the broader late stage pipeline.
Analyst Commentary
Recent Street commentary on Biogen reflects a cautiously constructive stance, with modest target increases and a focus on execution in key growth drivers such as Leqembi, the base neurology franchise, and the late stage pipeline.
Bullish Takeaways
- Bullish analysts point to easing policy and pricing overhangs, which they believe can support a higher multiple as investor attention shifts back to earnings power in 2025 to 2026.
- Initiation of coverage with a Buy rating and an above market price target highlights a view that current trading levels imply limited value for the pipeline, creating upside if late stage assets or Leqembi outperform expectations.
- Expectations for a potential acceleration in Leqembi sales and resilience in the core business are seen as catalysts that could drive a re rating as early as 2026 if execution is solid.
- The FDA complete response letter for the higher Spinraza dose is generally framed as a manageable setback, with an assumption of eventual approval, limiting downside risk to long term valuation.
Bearish Takeaways
- Despite upward revisions, several price targets remain relatively close to current levels and are paired with Neutral ratings, underscoring concerns about near term upside and execution risk.
- Bearish analysts remain cautious that, even with benign policy developments, large cap biopharma re rating has not been uniform and Biogen may need clear, sustained growth signals to warrant a higher valuation.
- Consensus earnings expectations, including the upcoming print, are viewed as achievable but not low, leaving limited room for disappointment without pressuring the stock.
- Regulatory steps such as the Spinraza complete response letter, while seen as resolvable, reinforce a perception of development and approval risk that could delay the realization of pipeline driven growth in the model.
What's in the News
- Biogen is scheduled to report upcoming quarterly earnings, with Street consensus calling for earnings per share of approximately $3.88. The stock is on watch alongside other major healthcare and consumer names. (periodicals)
- Eisai and Biogen reported new long-term data for LEQEMBI, indicating that early initiation and continued treatment may significantly slow Alzheimer's disease progression over 10 years. A subcutaneous maintenance formulation showed efficacy and safety comparable to IV dosing. (key developments)
- Biogen and Stoke Therapeutics presented additional long-duration zorevunersen data in Dravet syndrome, showing durable seizure reductions, more seizure-free days, and improvements in cognition and behavior over up to 24 months in early-stage studies. (key developments)
- The European Commission granted marketing authorization for Biogen's ZURZUVAE as the first and only approved oral treatment for postpartum depression in the EU, following positive Phase 3 data from the SKYLARK trial. (key developments)
- Biogen entered a research collaboration with Dayra Therapeutics to develop oral macrocyclic peptide therapies for immunological conditions, reinforcing Biogen's strategy to expand its differentiated immunology portfolio. (key developments)
Valuation Changes
- Fair Value has risen slightly, increasing from approximately $178.07 to about $178.76 per share.
- The Discount Rate has edged up marginally, moving from roughly 7.47 percent to about 7.49 percent, reflecting a modestly higher implied risk profile.
- Revenue Growth is effectively unchanged, remaining at around negative 2.43 percent in the medium term.
- The Net Profit Margin is essentially flat, holding near 22.02 percent with only an immaterial rounding difference.
- The Future P/E has risen slightly, moving from about 15.78 times to roughly 15.85 times forward earnings, indicating a modestly higher valuation multiple.
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