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Quote this valuation with its source: Fair value, Potential value and the price at analysis.
FAQ
BIIB — frequently asked questions
Is Biogen Inc. overvalued?
In our latest published analysis dated 2026-05-13, BIIB looks meaningfully undervalued. The price recorded at analysis is USD ۱۹۹ versus our fair value of USD ۲۵۳; the high endpoint is presented separately as potential value of USD ۳۱۴. That implies roughly 26.9% upside to fair value at that date.
Our latest published report, analyzed 2026-05-13, gives BIIB a fair value of USD ۲۵۳ and a potential value of USD ۳۱۴. The conclusion is triangulated across multiple valuation models and weighted by reliability for Biogen Inc.'s archetype; it is a dated research output, not a live price.
Should I buy BIIB now?
Our latest published rating for BIIB, analyzed 2026-05-13, is Buy. Biogen Inc. looks meaningfully undervalued at the analysis-date price of USD ۱۹۹ versus fair value of USD ۲۵۳; potential value is USD ۳۱۴. This is research for educational purposes, not personalized investment advice.
What are the biggest risks for BIIB?
The dedicated bear-case section in our report analyzed 2026-05-13 documents Biogen Inc.'s material risks, evidence, thresholds, and thesis-invalidation conditions. Scenario-specific explanations remain in that section so the report does not repeat or decontextualize them elsewhere.
What is BIIB's rating?
Our latest published rating for BIIB, analyzed 2026-05-13, is Buy, with a published moat assessment of 6.5/10 (Narrow). It reflects our fair value of USD ۲۵۳, the potential value of USD ۳۱۴, and the price recorded at analysis (USD ۱۹۹).
این گزارش هنوز ترجمه نشده است. پس از چند دقیقه، زمانی که صف ترجمه بهروز شد، صفحه را تازه کنید.
§1 خلاصه اجراییEN
پاسخ ۳۰ ثانیهایBuy
قیمت در برابر ارزش
Price
$199.36
Fair value
$253.08
Potential value
$314.03
As of
تاریخ قیمت ثبت نشده است
چرا این سناریو میتواند موفق باشد
Bull: Leqembi dominates the Alzheimer's market with seamless logistical rollout, accelerating revenue and EPS growth back to high single digits.
چه چیزی دیدگاه ما را تغییر میدهد
Leqembi Market Rejection: Severe administration bottlenecks and ARIA safety concerns permanently stunt Leqembi uptake.
Biogen is a mature biotechnology firm navigating a profound portfolio transition. Legacy multiple sclerosis products (Tecfidera, etc.) are facing severe generic competition, placing the burden of future growth on recent pipeline launches, particularly in Alzheimer's (Leqembi) and rare diseases. The company trades at a notable discount to pharmaceutical peers (12x forward P/E), reflecting these transitional risks and the uncertain trajectory of its neuroscience pipeline.
Biogen is a mature biotechnology firm navigating a profound portfolio transition. Legacy multiple sclerosis products (Tecfidera, etc.) are facing severe generic competition, placing the burden of future growth on recent pipeline launches, particularly in Alzheimer's (Leqembi) and rare diseases. The company trades at a notable discount to pharmaceutical peers (12x forward P/E), reflecting these transitional risks and the uncertain trajectory of its neuroscience pipeline.
Buy rating driven by intrinsic cash flow models capturing legacy MS cash flows, overriding sentiment-driven pessimistic street internal valuation cross-checks ($217.03).
نمای کلی شرکت
Biogen Inc. discovers, develops, manufactures, and delivers therapies in the United States, Europe, Germany, Asia, and internationally. The company provides TECFIDERA, VUMERITY, AVONEX, PLEGRIDY, and TYSABRI for multiple sclerosis (MS); SPINRAZA for spinal muscular atrophy; SKYCLARYS to treat Friedreich's Ataxia; QALSODY for treating amyotrophic lateral sclerosis; FUMADERM to treat plaque psoriasis; BENEPALI, an etanercept biosimilar referencing ENBREL; IMRALDI, an adalimumab biosimilar referencing HUMIRA; FLIXABI, an infliximab biosimilar referencing REMICADE. It offers LEQEMBI for the treatment of Alzheimer's disease; ZURZUVAE for the treatment of postpartum depression; RITUXAN to treat non-Hodgkin's lymphoma, chronic lymphocytic leukemia (CLL), rheumatoid arthritis, two forms of ANCA-associated vasculitis, and pemphigus vulgaris; RITUXAN HYCELA for non-Hodgkin's lymphoma and CLL; GAZYVA to treat CLL and follicular lymphoma; OCREVUS for relapsing MS and primary progressive MS; LUNSUMIO to treat relapsed or refractory follicular lymphoma; glofitamab for aRelapsed or refractory diffuse large B-cell lymphoma; and other anti-CD20 therapies. Biogen Inc. has collaboration and license agreements with Merz Therapeutics; Alkermes Pharma Ireland Limited; Denali Therapeutics Inc.; UCB; Eisai Co., Ltd.; Genentech, Inc.; Neurimmune SubOne AG; Ionis Pharmaceuticals, Inc.; Samsung Bioepis; and Sage Therapeutics, Inc., as well as collaborations with Stoke Therapeutics, Inc. for the development and commercialization of zorevunersen, a disease modifying medicine for the treatment of Dravet syndrome; Dayra Therapeutics, Inc. to develop oral macrocyclic peptides; Vanqua Bio, Inc. for developing Vanqua's preclinical oral C5aR1 antagonist compound; City Therapeutics, Inc. to develop select novel RNAi therapies; and ALTEOGEN Inc. to develop subcutaneous (SC) formulations of biologics utilizing ALT-B4. The company was founded in 1978 and is headquartered in Cambridge, Massachusetts.
§2 سناریوی نزولیEN
Leqembi adoption is stunted by administration bottlenecks or safety concerns while the MS franchise erodes faster than modeled, forcing sustained margin compression and multiple degradation.
Severe pricing pressures or higher product cost burdens compress profit spreads across the neurology portfolio. Substantial margin contraction impairs operating cash flows needed to support continuous clinical pipeline development and corporate debt service obligations.
Elevated capital requirements or heavier operational expenditures diminish the conversion of sales into free cash flow. Higher structural reinvestment burdens restrict capital flexibility, limiting capacity for strategic business development and lowering overall return on invested capital.
وضعیت فعلی:Operating margin was 25.0% for the period ended 2025-12-31
هشدار در صورت> 2.0% of revenue over any fiscal year
04
Alzheimer's Competitive Market Share
Losing commercial leadership in the core growth franchise permanently truncates the expected multi-year revenue ramp. Diminished market share caps long-term cash flow generation and prevents the therapeutic franchise from compensating for continuing legacy portfolio attrition.
وضعیت فعلی:Leading early-mover market position as of the 2026-05-13 analysis date
هشدار در صورتLoss of lead market share in Alzheimer's disease with product market share falling to < 50.0% over any fiscal year
Rapid erosion of high-margin multiple sclerosis revenues before replacement therapies mature diminishes profitability and return metrics. Crashing legacy cash flows tightens balance sheet constraints, threatening research funding and accelerating multiple degradation across the business.
وضعیت فعلی:5.8% as of the 2026-05-13 analysis date
هشدار در صورت< 4.0% over any trailing twelve-month period
Monitor the threat against the report checkpoints.
Drug pricing pressures
medium
Monitor
Monitor the threat against the report checkpoints.
Warning level: < 70.0% over any fiscal year. Severe pricing pressures or higher product cost burdens compress profit spreads across the neurology portfolio. Substantial margin contraction impairs operating cash flows needed to support continuous clinical pipeline development and corporate debt service obligations.
Warning level: > 2.0% of revenue over any fiscal year. Elevated capital requirements or heavier operational expenditures diminish the conversion of sales into free cash flow. Higher structural reinvestment burdens restrict capital flexibility, limiting capacity for strategic business development and lowering overall return on invested capital.
04
معیار:
Alzheimer's Competitive Market Share
فعلیLeading early-mover market position as of the 2026-05-13 analysis date
چرا مهم است
Warning level: Loss of lead market share in Alzheimer's disease with product market share falling to < 50.0% over any fiscal year. Losing commercial leadership in the core growth franchise permanently truncates the expected multi-year revenue ramp. Diminished market share caps long-term cash flow generation and prevents the therapeutic franchise from compensating for continuing legacy portfolio attrition.
Warning level: < 4.0% over any trailing twelve-month period. Rapid erosion of high-margin multiple sclerosis revenues before replacement therapies mature diminishes profitability and return metrics. Crashing legacy cash flows tightens balance sheet constraints, threatening research funding and accelerating multiple degradation across the business.