Who Owns Leqembi?
Leqembi (lecanemab) is an Alzheimer's disease antibody therapy co-developed and co-marketed by Biogen Inc. (NASDAQ: BIIB) and Eisai. It became the first anti-amyloid therapy with full US approval showing slowed disease progression.
Leqembi Timeline
GlobalOfficial Website
Who Owns Leqembi?
- Parent Company: Biogen Inc.
- Ownership Type: Product line
- Company Type: Publicly Traded
- Stock Ticker: NASDAQ: BIIB
| Brand | Parent Company | Ownership Type |
|---|---|---|
| Leqembi | Biogen Inc. | Product line |
Where to Buy
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History of Leqembi
- Founded: 2023
- Founders: Eisai and Biogen collaboration
Built on Eisai's amyloid research, Leqembi won accelerated US approval in January 2023 and full approval in July 2023 after proving it slows cognitive decline in early Alzheimer's; the partners share economics 50/50.
About Biogen Inc.
Is Biogen publicly traded?
Yes. It trades on NASDAQ under ticker BIIB.
What is Biogen's biggest drug?
Spinraza and Tysabri remain leading revenue products as the MS franchise declines; growth is led by Skyclarys, Zurzuvae, and Leqembi.
Who is the CEO of Biogen?
Christopher Viehbacher, president and chief executive officer.
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Does Biogen make Leqembi?
Yes. Biogen co-develops and co-markets Leqembi (lecanemab) with Eisai.
- Founded: 1978
- Headquarters: Cambridge, Massachusetts, USA
- Company Type: Publicly Traded
- Stock: NASDAQ: BIIB
- Revenue: Approximately $9.7 billion (FY2025)
- Employees: Approximately 7,600
Where Is Leqembi Made / Based?
- Headquarters: Cambridge, Massachusetts, USA
Leqembi Categories & Tags
Brands Owned by Biogen Inc.
Healthcare PharmaceuticalsBiogen
Owned by Biogen Inc.
The biotechnology brand of Biogen Inc., focused on neurology therapeutics.
biotechneurologypharmaceuticals
Healthcare PharmaceuticalsSkyclarys
Owned by Biogen Inc.
The Friedreich's ataxia therapy brand of Biogen, acquired through the 2023 Reata deal.
friedreichs-ataxiarare-diseaseskyclarys
Healthcare PharmaceuticalsSpinraza
Owned by Biogen Inc.
The spinal muscular atrophy antisense therapy brand of Biogen.
smaantisenserare-disease
Healthcare PharmaceuticalsTysabri
Owned by Biogen Inc.
The multiple sclerosis infusion therapy brand of Biogen, marketed for two decades.
multiple-sclerosisinfusiontysabri
Healthcare PharmaceuticalsZurzuvae
Owned by Biogen Inc.
The postpartum depression therapy brand of Biogen and Sage Therapeutics.
postpartum-depressionppdzurzuvae
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Leqembi Ownership: Pros & Cons
Advantages
- +First-mover full approval
- +50/50 economics with Eisai
- +Subcutaneous formulation in development
Considerations
- -Slow launch ramp
- -ARIA monitoring burden
- -Lilly competitive pressure
Frequently Asked Questions About Leqembi
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Sources & Further Reading
- Leqembi official website
- Biogen Inc. company page - /companies/biogen
Competitors to Leqembi
No direct competitors found in the same category. This could be because Leqembioperates in a unique market segment or we're still building our competitor database.
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Independent Alternatives to Leqembi
Looking for brands with different ownership structures? These similar brands are not owned by Biogen Inc., giving you alternative choices that support different corporate structures.
Healthcare PharmaceuticalsAvaility
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healthcare-technologyclearinghouseclaims-processing
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Availity is privately owned, unlike Leqembi which is under a publicly traded parent company.
Healthcare PharmaceuticalsBand-Aid
Owned by Kenvue
American adhesive bandage brand invented in 1921, owned by Kenvue Inc. Band-Aid is the leading adhesive bandage brand in the United States and is sold in more than 100 countries.
wound-careadhesive-bandagefirst-aid
Privately Owned
Band-Aid is privately owned, unlike Leqembi which is under a publicly traded parent company.
Healthcare PharmaceuticalsBenadryl
Owned by Kenvue
American brand of antihistamine medication used to treat allergies, itching, and cold symptoms, manufactured and marketed by Johnson & Johnson.
antihistamineallergy-reliefcold-medicine
Privately Owned
Benadryl is privately owned, unlike Leqembi which is under a publicly traded parent company.
Healthcare PharmaceuticalsBoots
Owned by Walgreens Boots Alliance
Boots is the UK's leading pharmacy-led health and beauty retailer, founded in 1849, now operating as The Boots Group under Sycamore Partners since August 2025.
pharmacyhealth-beautyuk-retail
Privately Owned
Boots is privately owned, unlike Leqembi which is under a publicly traded parent company.
Healthcare PharmaceuticalsDuane Reade
Owned by Walgreens Boots Alliance
Duane Reade is a New York City drugstore chain owned by Walgreen Co. under Sycamore Partners, operating approximately 90 stores across the five boroughs.
pharmacydrugstorenew-york
Privately Owned
Duane Reade is privately owned, unlike Leqembi which is under a publicly traded parent company.
Healthcare PharmaceuticalsMD Clarity
Owned by MD Clarity
Seattle healthcare SaaS platform for patient cost estimates, payer contract management, and underpayment detection.
healthcare-technologyrevenue-cyclecontract-management
Privately Owned
MD Clarity is privately owned, unlike Leqembi which is under a publicly traded parent company.
Biogen Inc. Stock Information
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Jobs at Biogen Inc.
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