Biogen faces investigation amid disappointing trial results
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Mar 28 2026
0mins
Source: Globenewswire
Biogen Inc's stock rose by 5.99% as it crossed above the 5-day SMA, despite the broader market context where the Nasdaq-100 is down 0.37% and the S&P 500 is up 0.19%.
The company is currently under investigation by Pomerantz LLP for potential securities fraud related to its business practices. This investigation follows disappointing results from the Phase 2 CELIA study, which failed to meet primary endpoints, raising concerns about the company's future in research and development. The investigation could lead to class action lawsuits, further impacting investor confidence and the company's financial health.
Investors should closely monitor the developments of this investigation and the implications of the clinical trial results, as they could significantly affect Biogen's market position and reputation.
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Analyst Views on BIIB
Wall Street analysts forecast BIIB stock price to fall
26 Analyst Rating
11 Buy
14 Hold
1 Sell
Moderate Buy
Current: 205.700
Low
143.00
Averages
204.45
High
246.00
Current: 205.700
Low
143.00
Averages
204.45
High
246.00
About BIIB
Biogen Inc. is a biotechnology company. The Company is focused on discovering, developing and delivering therapies. It has a portfolio of medicines to treat Multiple Sclerosis (MS), has introduced an approved treatment for Spinal Muscular Atrophy (SMA), co-developed treatments to address a defining pathology of Alzheimer's disease and launched an approved treatment to target a genetic cause of Amyotrophic Lateral Sclerosis (ALS). It markets a drug approved in United States, European Union and certain international markets for the treatment of Friedreich Ataxia (FA) in adults and adolescents aged 16 years and older. It is focused on advancing its pipeline in neurology, specialized immunology and rare diseases. Its marketed products include VUMERITY, TYSABRI, TECFIDERA, AVONEX and PLEGRIDY for the treatment of MS; SPINRAZA for the treatment of SMA; SKYCLARYS for the treatment of FA, and QALSODY for the treatment of ALS. Its commercialized products also include EMPAVELI and SYFOVRE.
About the author
Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
Biogen Acquires RayThera to Strengthen Immunology Business
- Revenue Growth Challenges: Biogen's multiple sclerosis (MS) drug sales have significantly declined due to patent expirations, with Tecfidera's sales dropping from $4.4 billion in 2019 to $1.4 billion in 2022, and total MS drug revenue only reaching $4 billion in the latest fiscal year, highlighting increasing market competition pressures.
- Strategic Acquisition Moves: In 2023, Biogen acquired Apellis Pharmaceuticals, gaining access to two commercialized drugs that generated $689 million in sales last year, further strengthening its position in the immunology sector and laying the groundwork for future growth.
- New Acquisition Prospects: Biogen's acquisition of RayThera for up to $1 billion, despite the lack of public details on its candidates, suggests potential anti-inflammatory assets targeting various immune-mediated diseases, which could yield substantial revenue potential given the global immunology market's size exceeding $112 billion.
- Signs of Business Stabilization: After four years of declining earnings, Biogen's CEO indicated that 2023 marks a turnaround, with first-quarter sales of new drugs increasing by 12% to $850 million, demonstrating a recovery in the emerging neurology drug sector and the potential for sustained growth ahead.
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- Growth Plan Implementation: In 2023, Biogen achieved a 12% increase in sales to $850 million, primarily driven by a focus on growth products like Leqembi for Alzheimer's disease, marking a turnaround after four years of declining earnings.
- Acquisition Strategy: Biogen's acquisition of Apellis Pharmaceuticals in 2023 brought in two commercialized drugs with $689 million in sales, further solidifying its position in the immunology market and laying the groundwork for future growth.
- RayThera Acquisition Potential: Biogen's acquisition of RayThera for up to $1 billion, despite limited product details, suggests a portfolio of multiple anti-inflammatory assets that could target various immune-mediated conditions, indicating significant revenue potential and aligning with the company's strategic goal to expand its immunology business.
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- Acquisition Enhances Pipeline: Biogen has agreed to acquire RayThera Inc. for up to $1 billion to bolster its immunology pipeline, with the deal expected to close in Q3, further advancing the company's research in small-molecule anti-inflammatory assets.
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- ETF Investment Strategy: Despite Sarepta's poor performance, the Bio-Tech ETF (XBI) shows a strong upward trend, suggesting investors should buy on pullbacks to capitalize on its potential upside, with a current target price of $150.
- Short-term Opportunity in Biogen: Biogen (BIIB) is making progress in treating autoimmune kidney diseases and Alzheimer's, with its stock recently breaking out of an ascending triangle, targeting $240 in the short term, while support is seen just above $200, offering a favorable risk/reward setup.
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- Revenue Growth Challenges: Biogen's multiple sclerosis (MS) drug sales have significantly declined due to patent expirations, with Tecfidera's sales dropping from $4.4 billion in 2019 to $1.4 billion in 2022, and total MS drug revenue only reaching $4 billion in the latest fiscal year, highlighting increasing market competition pressures.
- Strategic Acquisition Moves: In 2023, Biogen acquired Apellis Pharmaceuticals, gaining access to two commercialized drugs that generated $689 million in sales last year, further strengthening its position in the immunology sector and laying the groundwork for future growth.
- New Acquisition Prospects: Biogen's acquisition of RayThera for up to $1 billion, despite the lack of public details on its candidates, suggests potential anti-inflammatory assets targeting various immune-mediated diseases, which could yield substantial revenue potential given the global immunology market's size exceeding $112 billion.
- Signs of Business Stabilization: After four years of declining earnings, Biogen's CEO indicated that 2023 marks a turnaround, with first-quarter sales of new drugs increasing by 12% to $850 million, demonstrating a recovery in the emerging neurology drug sector and the potential for sustained growth ahead.
See More
Biogen Acquires RayThera for $1 Billion to Boost Immunology Business
- MS Business Update: Biogen's multiple sclerosis drugs generated $4 billion in revenue in 2022, down from $4.4 billion in 2019, highlighting the competitive pressures from patent expirations that have forced the company to adjust its strategy to maintain market position.
- Growth Plan Implementation: In 2023, Biogen achieved a 12% increase in sales to $850 million, primarily driven by a focus on growth products like Leqembi for Alzheimer's disease, marking a turnaround after four years of declining earnings.
- Acquisition Strategy: Biogen's acquisition of Apellis Pharmaceuticals in 2023 brought in two commercialized drugs with $689 million in sales, further solidifying its position in the immunology market and laying the groundwork for future growth.
- RayThera Acquisition Potential: Biogen's acquisition of RayThera for up to $1 billion, despite limited product details, suggests a portfolio of multiple anti-inflammatory assets that could target various immune-mediated conditions, indicating significant revenue potential and aligning with the company's strategic goal to expand its immunology business.
See More
Biogen's Diversified Strategy and Investment Opportunities
- Financial Forecast Adjustment: Biogen expects approximately $164 million in non-recurring charges in Q2 2026, which will reduce adjusted earnings per share by about $0.95, indicating significant expenditures in research and development and milestone payments.
- Investor Focus on Data Release: Investors are awaiting mid-stage data for Biogen's Alzheimer’s drug diranersen, set to be announced mid-July at a London conference, which could impact the company's future stock price trajectory and market confidence.
- Acquisition Enhances Pipeline: Biogen has agreed to acquire RayThera Inc. for up to $1 billion to bolster its immunology pipeline, with the deal expected to close in Q3, further advancing the company's research in small-molecule anti-inflammatory assets.
- Market Sentiment Shift: Retail sentiment around BIIB stock shifted from 'neutral' to 'bullish' over the past 24 hours, reflecting optimistic expectations for Biogen's future performance, with the stock gaining 23% year-to-date.
See More
Investment Opportunities in Biotech Stocks
- Biotech Risk and Reward: In the biotech sector, investors face high-risk, high-reward scenarios, exemplified by Sarepta (SRPT) which saw a 20% drop following a failed clinical trial, highlighting the volatility and uncertainty in this industry.
- ETF Investment Strategy: Despite Sarepta's poor performance, the Bio-Tech ETF (XBI) shows a strong upward trend, suggesting investors should buy on pullbacks to capitalize on its potential upside, with a current target price of $150.
- Short-term Opportunity in Biogen: Biogen (BIIB) is making progress in treating autoimmune kidney diseases and Alzheimer's, with its stock recently breaking out of an ascending triangle, targeting $240 in the short term, while support is seen just above $200, offering a favorable risk/reward setup.
- Long-term Trend Analysis: The weekly chart for Biogen indicates a breakout from a downtrend since its 2021 peak and has surpassed the 200-week moving average; if the price breaks above $225, it will confirm longer-term upside targets of $300, indicating strong market potential.
See More
Biogen Warns of Q2 Financial Impact from Acquisitions
- Financial Warning: Biogen (BIIB) anticipates that its Q2 2026 GAAP and non-GAAP financials will include a pre-tax charge of approximately $164 million, primarily due to acquisitions and collaborations completed during the period, projecting an impact of about $0.95 on its diluted net income per share, indicating financial strain from integration efforts.
- Future Outlook: The company also projects a GAAP and non-GAAP impact of $290 million to $320 million for Q3 2026 due to similar charges, translating to a headwind of $1.75 to $1.95 per diluted share, reflecting ongoing financial challenges and market uncertainties.
- Acquisition Activity: In Q2, Biogen completed a $5.6 billion acquisition of eye drug developer Apellis Pharmaceuticals and agreed to acquire private biotech firm RayThera for up to $1 billion in June, further exacerbating the company's financial burden.
- Market Reaction: Despite Biogen's aggressive acquisition strategy, market disappointment over its Alzheimer's drug performance has led to rating downgrades, raising investor concerns about the company's future growth potential, which may adversely affect its stock price.
See More
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- Software Sector Strength: Despite a broader tech sector decline, the iShares Expanded Tech-Software Sector ETF (IGV) rose by 3%, with Microsoft and Salesforce both gaining over 4%, indicating strong market confidence in software companies that may drive future investment inflows.
- Moderna's Strategic Shift: Moderna's stock surged 11% after detailing its long-term strategy at its annual Science Day, expanding beyond vaccines to include mRNA-based oncology and rare disease treatments, showcasing its potential for growth in the biotech sector.
- Healthcare Sector Rally: The S&P 500 healthcare sector outperformed, rising over 2%, with Veeva Systems and Eli Lilly both up 7%, reflecting increased investor confidence in the healthcare industry and signaling potential growth opportunities ahead.
- ON Semiconductor's Acquisition: ON Semiconductor announced a nearly $7 billion all-stock deal to acquire Synaptics, resulting in a 23% stock drop, yet it is expected to increase the company's total addressable market by $30 billion, highlighting its strategic expansion intentions in the semiconductor industry.
See More
