Is Biogen Inc. an American company?
Yes — Biogen Inc. is an American company.
Biogen Inc. is incorporated in Delaware, United States and headquartered in Cambridge, Massachusetts. Its legal-entity record reports no foreign parent — the company is independently American-owned.
The evidence
- Legal name
- BIOGEN INC.
- Incorporated in
- Delaware, United States
- Registered office
- WILMINGTON, the United States
- Headquarters
- Cambridge, Massachusetts, United States
- Ultimate owner
- None reported (independent)
- Stock listing
- NASDAQ: BIIB on NASDAQ
- LEI
- W8J5WZB5IY3K0NDQT671
- Founded
- 1978
Source: GLEIF, the global Legal Entity Identifier registry · checked Jul 26, 2026. A US headquarters or stock listing does not always mean US incorporation — this page reports what the legal-entity registry actually records.
Biogen Inc.: origin questions
Is Biogen Inc. an American company?
Yes — Biogen Inc. is an American company. Biogen Inc. is incorporated in Delaware, United States and headquartered in Cambridge, Massachusetts. Its legal-entity record reports no foreign parent — the company is independently American-owned.
Where is Biogen Inc. incorporated?
Biogen Inc. is legally incorporated in Delaware, United States, according to its GLEIF legal-entity record.
Who owns Biogen Inc.?
Biogen Inc. reports no parent company in its legal-entity record — it is independently owned rather than a subsidiary.
Is Biogen Inc. traded on a US stock exchange?
Yes — Biogen Inc. trades under the ticker BIIB on the NASDAQ.
See the full Biogen Inc. company profile — financials, stock data and trust credentials — or browse the directory of American companies.