Biogen (BIIB) Stock Overview
Biogen Inc. discovers, develops, manufactures, and delivers therapies in the United States, Europe, Germany, Asia, and internationally. More details
| Snowflake Score | |
|---|---|
| Valuation | 4/6 |
| Future Growth | 1/6 |
| Past Performance | 0/6 |
| Financial Health | 6/6 |
| Dividends | 0/6 |
BIIB Community Fair Values
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Analyst Price Targets
Pharmaceuticals & Biotech opportunity
ST
Fair Value from
US$21.5363.5% undervalued intrinsic discount
Looking to be second time lucky with a game-changing new product
Key Takeaways Unicycive has successfully completed clinical development of its lead asset, Oxylanthanum Carbonate (OLC). OLC has been designed to improve on current phosphate binders by offering better efficacy, fewer pills, and improved tolerability over alternative treatments for hyperphosphatemia chronic kidney disease patients on dialysis.
Read full narrativeBiogen Inc. Competitors
Price History & Performance
| Historical stock prices | |
|---|---|
| Current Share Price | US$191.38 |
| 52 Week High | US$202.41 |
| 52 Week Low | US$115.25 |
| Beta | 0.19 |
| 1 Month Change | 8.98% |
| 3 Month Change | -4.87% |
| 1 Year Change | 61.65% |
| 3 Year Change | -38.38% |
| 5 Year Change | -32.06% |
| Change since IPO | 6,106.92% |
Recent News & Updates
Narrative Update • May 04
BIIB: 2026 Readouts In Neurology And Immunology Will Drive Upside Potential
Analysts have lifted Biogen's fair value estimate by about $18 to $273.20 as they factor in updated revenue growth assumptions, a higher future P/E, and recent price target revisions across the Street. Analyst Commentary Recent Street research around Biogen has leaned constructive, with a cluster of fresh price target adjustments and several rating upgrades pointing to improving sentiment on execution and long term growth potential.
Narrative Update • Apr 20
BIIB: 2026 Trial Outcomes Will Likely Undermine Recent Acquisition Optimism
Analysts made a slight upward adjustment to Biogen's fair value estimate to about $151, reflecting a blend of higher and lower price target revisions related to recent acquisition activity, pipeline updates, and shifting views on its long term earnings profile. Analyst Commentary Recent Street research around Biogen has been active, with a mix of higher and lower price targets clustered around the company’s acquisition activity, pipeline readouts, and changing expectations for longer term earnings power.Recent updates
Narrative Update • May 04
BIIB: 2026 Readouts In Neurology And Immunology Will Drive Upside Potential
Analysts have lifted Biogen's fair value estimate by about $18 to $273.20 as they factor in updated revenue growth assumptions, a higher future P/E, and recent price target revisions across the Street. Analyst Commentary Recent Street research around Biogen has leaned constructive, with a cluster of fresh price target adjustments and several rating upgrades pointing to improving sentiment on execution and long term growth potential.Narrative Update • Apr 20
BIIB: 2026 Trial Outcomes Will Likely Undermine Recent Acquisition Optimism
Analysts made a slight upward adjustment to Biogen's fair value estimate to about $151, reflecting a blend of higher and lower price target revisions related to recent acquisition activity, pipeline updates, and shifting views on its long term earnings profile. Analyst Commentary Recent Street research around Biogen has been active, with a mix of higher and lower price targets clustered around the company’s acquisition activity, pipeline readouts, and changing expectations for longer term earnings power.Seeking Alpha • Apr 06
Revisiting Eisai And Biogen's Leqembi Data For Alzheimer's Disease
Summary Eisai (ESALF) and Biogen (BIIB) have presented inconsistent efficacy claims for Leqembi in Alzheimer's, particularly regarding APOE4 genetic subgroups. Real-world data may reveal Leqembi is only marginally effective for APOE4 single-copy carriers, with little benefit for non-carriers or double-copy carriers. BIIB may be more resilient than ESALF to negative Leqembi developments due to pipeline diversity, but no near-term catalysts are evident for BIIB stock movement. Efforts to expand Leqembi’s market may be misguided; regulatory scrutiny and emerging alternatives could further limit its commercial potential. Read the full article on Seeking AlphaNarrative Update • Apr 05
BIIB: 2026 Clinical Outcomes Will Likely Challenge Recent Neuroscience Optimism
The analyst price target for Biogen has been adjusted slightly to $150. This reflects recent model updates that incorporate a modestly higher discount rate, slightly lower revenue growth assumptions, a small uptick in expected profit margins, and Street research focusing on price target changes and evolving views on the company's pipeline and neurology portfolio.
New Narrative • Mar 31
Biogen Inc. (BIIB): The "Post-MS" Pivot and the Alzheimer’s Momentum
Biogen Inc. (BIIB) is navigating a high-stakes transition year in 2026, closing the March 31, 2026, session at $178.98 USD on the NASDAQ.Narrative Update • Mar 22
BIIB: 2026 Clinical Readouts Will Likely Undermine Recent Pipeline Optimism
Analysts have nudged Biogen's fair value estimate higher to $151.48 from $147.47, reflecting a series of recent price target increases across the Street and ongoing reassessments of the company's pipeline and commercial outlook. Analyst Commentary Recent Street research around Biogen points to a mixed setup, with several firms adjusting price targets and ratings as they reassess the pipeline, commercial execution, and sector positioning.
Narrative Update • Mar 07
BIIB: 2026 Clinical Readouts And Easing Policy Risks Will Drive Upside
The analyst fair value estimate for Biogen has increased by about $16 to $205.67 as analysts factor in recent price target revisions and updated views on the pipeline and commercial outlook. Analyst Commentary Recent research updates on Biogen cluster around revisions to price targets, refreshed models on the pipeline, and differing expectations for execution in 2026 and beyond.Narrative Update • Feb 21
BIIB: 2026 Clinical Readouts Will Likely Expose Pipeline Execution Risk
The analyst price target for Biogen has been raised from $143.00 to $147.47. Analysts point to a stronger profit margin outlook and updated pipeline and commercial assumptions as key drivers of the change.Analysis Article • Feb 13
There May Be Reason For Hope In Biogen's (NASDAQ:BIIB) Disappointing Earnings
Shareholders appeared unconcerned with Biogen Inc.'s ( NASDAQ:BIIB ) lackluster earnings report last week. We think...Narrative Update • Feb 07
BIIB: 2026 Clinical Readouts And Pipeline Execution Will Drive Upside Potential
Analysts have nudged their price targets on Biogen higher, with our fair value estimate rising to about $255.45 from $247.88 as they update models for revenue growth, margins, and a modestly richer future P/E multiple following a series of mixed but generally upward target revisions across the Street. Analyst Commentary Recent research on Biogen has been mixed, but the pricing and modeling changes skew toward a constructive tone.Narrative Update • Jan 23
BIIB: 2026 Clinical Readouts Will Test Lofty Pipeline Expectations
Analysts have raised their Biogen fair value estimate from $128.00 to $143.00, citing refreshed models and higher Street price targets as they incorporate updated views on the pipeline, sector conditions, and 2026 catalysts. Analyst Commentary Street research around Biogen points to a generally more constructive view on the shares, with several firms lifting price targets into a range between about $180 and $225.Narrative Update • Jan 09
BIIB: Easing Policy Shifts And 2026 Pipeline Readouts Will Shape Outlook
Narrative Update: Biogen (BIIB) Biogen's fair value estimate has moved from about $181 to around $190 as analysts lift price targets into the $180 to $225 range and highlight updated models, slightly better margin and growth assumptions, and potential pipeline and sector catalysts through 2026. Analyst Commentary Recent research updates on Biogen cluster around a tighter valuation band in the high US$100s to low US$200s, with most firms revisiting their models and assumptions for 2025 to 2026.Narrative Update • Dec 24
BIIB: Easing Policy Overhangs And Alzheimer’s Data Will Shape Risk Reward Balance
Analysts have modestly raised their price target on Biogen, now implying upside in line with a slightly higher fair value of approximately $181, citing easing policy overhangs and a partial rerating of large-cap biopharma as investor focus shifts back to fundamentals. Analyst Commentary Street research on Biogen has turned incrementally more constructive, with several firms lifting price targets as macro and policy risks appear less threatening to the sector.Narrative Update • Dec 10
BIIB: Policy Environment And Late-Stage Pipeline Will Shape Risk And Reward Ahead
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.Narrative Update • Nov 26
BIIB: Policy Shifts And Drug Pipeline Progress Will Influence Risk And Reward Ahead
Biogen's analyst price target has been increased modestly, with the fair value estimate rising from $176.72 to $178.07. Analysts point to easing policy headwinds and renewed focus on company fundamentals amid recent sector re-ratings.Narrative Update • Nov 12
BIIB: Pipeline And Policy Developments Will Shape Risk And Reward Into 2025
Analysts have raised their price target for Biogen by approximately $4 to $176.72, citing improving sector fundamentals, easing policy risks, and a favorable risk/reward outlook as reasons for the adjustment. Analyst Commentary Recent street research on Biogen provides insight into both the optimistic and cautious perspectives that currently shape the stock's outlook.Narrative Update • Oct 29
Easing Policy Risks And New Therapy Launches Will Drive Shares Higher
Analysts have slightly raised their price target for Biogen to $172.55 from $172.34, reflecting modestly improved revenue growth expectations and an easing policy backdrop in the biotech sector. Analyst Commentary Recent street research reveals a spectrum of opinions around Biogen, highlighted by both bullish and bearish analyst actions.Narrative Update • Oct 15
Expanding Global Healthcare And Diagnostics Infrastructure Will Drive Future Growth
Analysts have slightly lifted their price targets for Biogen, with the updated fair value estimate rising from $170.03 to $172.34. This reflects improved profit margin expectations and easing industry headwinds cited in recent research updates.Narrative Update • Sep 20
Expanding Global Healthcare And Diagnostics Infrastructure Will Drive Future Growth
Biogen's modestly reduced consensus price target reflects a balanced analyst view, with optimism around strong Q2 performance, pipeline progress, and portfolio refocusing offset by lingering regulatory overhangs and a muted near-term growth outlook, resulting in a slight decrease in fair value from $171.96 to $170.03. Analyst Commentary Bullish analysts cite strong Q2 performance, particularly from Leqembi and the MS franchise, as well as solid sales across other programs as drivers for raised price targets.Narrative Update • Sep 05
Expanding Global Healthcare And Diagnostics Infrastructure Will Drive Future Growth
Biogen’s consensus price target was modestly raised as analysts highlighted strong Q2 performance, advancements in its neuro portfolio and pipeline, and ongoing portfolio refocusing, offsetting medium-term growth concerns and regulatory risks; the new fair value is now $171.96. Analyst Commentary Bullish analysts highlight strong Q2 performance, particularly in Leqembi and the MS franchise, combined with solid sales across other programs, supporting upward revisions in price targets.Analysis Article • Jun 17
Biogen (NASDAQ:BIIB) Seems To Use Debt Quite Sensibly
Some say volatility, rather than debt, is the best way to think about risk as an investor, but Warren Buffett famously...Seeking Alpha • Apr 25
Biogen: Is This A Value Trap, Or Is The Great Turnaround Imminent?
Summary Biogen Inc.'s earnings and share price have declined due to falling Multiple Sclerosis treatment revenue; new drugs and pipeline show promise but haven't offset losses yet. Biogen's Multiple Sclerosis treatments face patent expirations and competition, pressuring revenue; new Alzheimer's Disease and rare disease treatments could drive future growth. Financially, Biogen remains profitable with strong FCF, but reduced R&D spending and lack of insider buying or share buybacks are concerning. I rate BIIB stock a hold due to current uncertainties; will reconsider upon sustained revenue growth, regulatory approvals, or positive trial data. Read the full article on Seeking AlphaSeeking Alpha • Mar 27
Biogen: Balancing Risks And Opportunities
Summary Biogen's new management is diversifying its product portfolio and optimizing costs, but faces significant risks from market share loss and generic competition. The fair valuation of Biogen shares is $149, close to the current price, leading to a "Hold" rating and a recommended purchase price of $115-120. Key growth drivers include potential success with Leqembi, Skyclarys, and optimization efforts, while risks involve slow sales of new products and competition. Despite a 35% stock price drop in 2024, Biogen's strategic steps and increased margins suggest shares are near fair value. Read the full article on Seeking AlphaSeeking Alpha • Feb 15
Biogen Q4 Earnings Review: Why I'm Calling Time On This 'Powder Puff' Pharma
Summary Biogen's Q4 2024 earnings showed slight revenue growth but Wall Street remains unimpressed due to weak guidance and declining key drug franchises. Leqembi's commercial performance is disappointing, mirroring Aduhelm's failure, and Biogen's pipeline lacks promising products to drive future growth. The multiple sclerosis franchise is in decline, and new drug approvals like Qalsody and Skyclarys have shown minimal revenue impact. Biogen's strategic missteps, including the failed Sage Therapeutics acquisition, underscore a lack of innovation and direction, leading to a "sell" rating. Read the full article on Seeking AlphaShareholder Returns
| BIIB | US Biotechs | US Market | |
|---|---|---|---|
| 7D | 1.1% | 1.2% | 2.1% |
| 1Y | 61.7% | 41.9% | 30.6% |
Return vs Industry: BIIB exceeded the US Biotechs industry which returned 41.9% over the past year.
Return vs Market: BIIB exceeded the US Market which returned 31% over the past year.
Price Volatility
| BIIB volatility | |
|---|---|
| BIIB Average Weekly Movement | 4.5% |
| Biotechs Industry Average Movement | 10.6% |
| Market Average Movement | 7.2% |
| 10% most volatile stocks in US Market | 16.1% |
| 10% least volatile stocks in US Market | 3.2% |
Stable Share Price: BIIB has not had significant price volatility in the past 3 months compared to the US market.
Volatility Over Time: BIIB's weekly volatility (5%) has been stable over the past year.
About the Company
| Founded | Employees | CEO | Website |
|---|---|---|---|
| 1978 | 7,500 | Chris Viehbacher | www.biogen.com |
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. Fundamentals Summary
| BIIB fundamental statistics | |
|---|---|
| Market cap | US$28.15b |
| Earnings (TTM) | US$1.37b |
| Revenue (TTM) | US$9.94b |
20.6x
P/E Ratio2.8x
P/S RatioIs BIIB overvalued?
See Fair Value and valuation analysisEarnings & Revenue
| BIIB income statement (TTM) | |
|---|---|
| Revenue | US$9.94b |
| Cost of Revenue | US$2.11b |
| Gross Profit | US$7.82b |
| Other Expenses | US$6.45b |
| Earnings | US$1.37b |
Last Reported Earnings
Mar 31, 2026
Next Earnings Date
n/a
| Earnings per share (EPS) | 9.29 |
| Gross Margin | 78.72% |
| Net Profit Margin | 13.81% |
| Debt/Equity Ratio | 33.7% |
How did BIIB perform over the long term?
See historical performance and comparisonCompany Analysis and Financial Data Status
| Data | Last Updated (UTC time) |
|---|---|
| Company Analysis | 2026/05/07 18:02 |
| End of Day Share Price | 2026/05/07 00:00 |
| Earnings | 2026/03/31 |
| Annual Earnings | 2025/12/31 |
Data Sources
The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.
| Package | Data | Timeframe | Example US Source * |
|---|---|---|---|
| Company Financials | 10 years |
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| Analyst Consensus Estimates | +3 years |
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| Market Prices | 30 years |
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| Ownership | 10 years |
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| Management | 10 years |
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| Key Developments | 10 years |
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* Example for US securities, for non-US equivalent regulatory forms and sources are used.
Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.
Analysis Model and Snowflake
Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.
Learn about the world class team who designed and built the Simply Wall St analysis model.
Industry and Sector Metrics
Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.
Analyst Sources
Biogen Inc. is covered by 58 analysts. 22 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.
| Analyst | Institution |
|---|---|
| David Toung | Argus Research Company |
| Brian Skorney | Baird |
| Emily Field | Barclays |