EntityWire/Massachusetts business entity search →/BIOGEN INC.
Employer with a benefit plan
BIOGEN INC.
The Employer Identification Number (EIN) for BIOGEN INC. is 33-0112644.
At a glance
- EIN
- 33-0112644 · 330112644
- Legal name
- BIOGEN INC.
- Also filed as
- BIOGEN IDEC INC.; IDEC PHARMACEUTICALS CORP / CA; IDEC PHARMACEUTICALS CORP / DE
- Address on file
- 225 BINNEY STREET, CAMBRIDGE, MA 02142
- Records show
- SEC filer; employer with a benefit plan; state registration
- Latest record
- 2026-09-05
State registration
Florida Division of Corporations (Sunbiz) bulk data · Texas Comptroller active franchise taxpayers file · records as of 2026-09-05
- Texas registration
- Active · Foreign profit corporation
- Source: Texas Comptroller · as of 2026-09-05
- Texas document number
- 0011710306
- Source: Texas Comptroller · as of 2026-09-05
- Florida registration
- Inactive · Foreign profit corporation
- Source: Florida registry · as of 2026-07-10
- Florida document number
- F97000005049
- Source: Florida registry · as of 2026-07-10
- Registered in Florida
- 1997-09-26
- Source: Florida registry · as of 2026-07-10
- Last registry activity
- 2005-01-27
- Source: Florida registry · as of 2026-07-10
SEC records
SEC EDGAR company filings · records as of 2026-09-03
- SEC CIK
- 0000875045
- Source: SEC · as of 2026-09-03
- Industry (SIC)
- Biological Products, (No Diagnostic Substances) (2836)
- Source: SEC · as of 2026-09-03
- State of incorporation
- DE
- Source: SEC · as of 2026-09-03
- Ticker
- BIIB
- Source: SEC · as of 2026-09-03
- Latest SEC filing
- 4 2026-09-03
- Source: SEC · as of 2026-09-03
Benefit plans
DOL Form 5500 filings (EFAST2) · records as of 2025-10-15
- Benefit plan 501, 2024 filing
- BIOGEN HEALTH AND WELFARE BENEFIT PLAN
- Source: DOL 5500 · as of 2025-10-15
- Participants (start of year)
- 4,733
- Source: DOL 5500 · as of 2025-10-15
- Plan features
- Health (other than dental or vision); Life insurance; Dental; Vision; Temporary disability; Long-term disability
- Source: DOL 5500 · as of 2025-10-15
What this record is
Public filings that carry this EIN (DOL Form 5500 filings (EFAST2), Florida Division of Corporations (Sunbiz) bulk data, SEC EDGAR company filings and Texas Comptroller active franchise taxpayers file), shown as filed. Nothing is scraped from the IRS, and a public-record match is not IRS TIN validation.
What it is not
Registry status, formation date, and registered agent come from the Secretary of the Commonwealth, Corporations Division; see the Massachusetts business entity search.
If something is wrong
A name, address, or classification here is what the source published. To correct the source, file with it; to have this page removed, see corrections and removal.
Other Massachusetts businesses on file
- UNIFIRST CORPORATIONEIN 04-2103460
- ANALOG DEVICES, INC.EIN 04-2348234
- PERKINELMER, INC.EIN 04-2052042
- NUANCE COMMUNICATIONS, INC.EIN 94-3156479
- HOLOGIC, INC.EIN 04-2902449
- ATHENAHEALTH, INC.EIN 04-3387530
Look up another business
Free search. No account required.