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BIOGEN INC.
BIIB - Company ID 0000875045
Market cap$32.60 B
Rank#448
Filings2,692
Market capitalization of BIOGEN INC.
As of 2026-09-07, BIOGEN INC. (BIIB) has a market capitalization of $32.60 B, making it the #448 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-09-07 | $32.60 B |
| 2026-09-06 | $32.60 B |
| 2026-09-05 | $32.60 B |
| 2026-09-04 | $32.57 B |
| 2026-09-03 | $33.15 B |
| 2026-09-02 | $33.29 B |
| 2026-09-01 | $31.90 B |
| 2026-08-31 | $32.18 B |
| 2026-08-30 | $32.26 B |
| 2026-08-29 | $32.26 B |
| 2026-08-28 | $32.26 B |
| 2026-08-27 | $32.74 B |
Market Cap of similar companies
Frequently asked questions
What is BIOGEN INC.'s market cap?
As of 2026-09-07, BIOGEN INC. (BIIB) has a market capitalization of $32.60 B, making it the #448 most valuable US-listed company.
Where does BIOGEN INC. rank by market cap?
BIOGEN INC. is the #448 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.