Biogen: brands it owns and its ownership tree
Biogen (NASDAQ: BIIB) is a publicly listed company headquartered in Cambridge, United States that owns 7 consumer brands.[1]
Biogen is a US biotechnology company focused on neurology. Its 2025 Form 10-K reports sales of multiple sclerosis, spinal muscular atrophy and other neurology medicines.
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Company facts
- Legal name
- Biogen Inc.
- Type
- publicly listed company · see all publicly listed company owners
- Headquarters
- 🇺🇸 Cambridge, United States
- Founded
- 1978
- Tickers
- NASDAQ: BIIB
- SEC CIK
- 0000875045
- Last verified
- · 1 sources
Biogen in numbers
- Biogen owns 7 consumer brands tracked here across 1 top-level categories; the largest is healthcare & pharma with 7 brands.[1]
Biogen financial history
Headline figures from Biogen's annual reports filed with the US Securities and Exchange Commission, in USD as reported, fiscal years ending 2020–2025. Revenue moved from $13.4bn to $9.89bn, an average of -6.0% a year (calculated).
| Fiscal year ended | Revenue | Operating income | Operating margin | Net income | Total assets | Long-term debt | Filing |
|---|---|---|---|---|---|---|---|
| $9.89bn | — | — | $1.29bn | $29.4bn | $6.29bn | 10-K | |
| $9.68bn | — | — | $1.63bn | $28bn | $6.3bn | 10-K | |
| $9.84bn | — | — | $1.16bn | $26.8bn | $6.94bn | 10-K | |
| $10.2bn | — | — | $3.05bn | $24.6bn | $6.28bn | 10-K | |
| $11bn | $2.84bn | 25.9% | $1.56bn | $23.9bn | $6.27bn | 10-K | |
| $13.4bn | $4.55bn | 33.8% | $4bn | $24.6bn | $7.43bn | 10-K |
Source: SEC XBRL company facts. A dash means the company did not report that line in a form we could read. Figures for a year can be restated in a later filing; the latest filing's number is shown.
Everything Biogen owns
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
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Brand portfolio by category
Recent changes to this record
Biogen in the global legal-entity registry
The Global Legal Entity Identifier Foundation (GLEIF) keeps an open register of legal entities. Each entity reports its own parents. We show it as a cross-check on the ownership recorded on this page, which is built from filings.
- Legal entity identifier (LEI)
- W8J5WZB5IY3K0NDQT671
- Registered name
- BIOGEN INC. (US)
- Registration status
- Issued · record updated 21 January 2026
- Parent
- None named: it reports that it has no parent that consolidates its accounts.
- Retrieved
- · GLEIF record (JSON)
Biogen SEC filings
The documents behind the figures on this page, as listed in the SEC's EDGAR index. Each links to the filing itself.
Annual reports
- Annual report, filed (10-K)
- Annual report, filed (10-K)
- Annual report, filed (10-K)
- Annual report, filed (10-K)
- Annual report, filed (10-K)
- Annual report, filed (10-K)
Proxy statements
- Proxy statement, filed (DEF 14A)
- Proxy statement, filed (DEF 14A)
- Proxy statement, filed (DEF 14A)
Recent current and quarterly reports
| Filed | Form | What it declares |
|---|---|---|
| 10-Q | Quarterly report | |
| 8-K | Results of operations and financial condition | |
| 8-K | Results of operations and financial condition | |
| 8-K | Results of a shareholder vote | |
| 8-K | Entry into a material agreement; Completion of an acquisition or disposal of assets; Creation of a direct financial obligation; Regulation FD disclosure | |
| 10-Q | Quarterly report | |
| 8-K | Results of operations and financial condition | |
| 8-K | Results of operations and financial condition | |
| 8-K | Entry into a material agreement; Other events | |
| 8-K | Departure or appointment of directors or officers | |
| 8-K | Departure or appointment of directors or officers; Other events | |
| 8-K | Results of operations and financial condition | |
| 8-K | Results of operations and financial condition | |
| 10-Q | Quarterly report |
Frequently asked questions
What brands does Biogen own?
Biogen owns 7 consumer brands tracked here, including Spinraza, Qalsody, Tecfidera, Plegridy, Vumerity and Tysabri.
Is Biogen an American company?
Yes. Biogen is headquartered in Cambridge, United States and was founded in 1978.
Who owns Biogen?
Biogen is a publicly listed company owned by its shareholders; it trades as BIIB on the NASDAQ.
Sources (1) & corrections
Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.
- [1] Biogen Inc. Annual Report on Form 10-K filed 2026-02-06 — SEC EDGAR, SEC Form 10-K, published 6 February 2026; retrieved 17 October 2026.
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