BIIB - CIK 0000875045
BIOGEN INC. trades as BIIB and has a market capitalization of $28.68 B, making it the #476 largest US-listed company by market value. In its fiscal 2025 annual report the company posted revenue of $9.89B, up 2.2% from the prior year and net income of $1.29B. This page tracks BIOGEN INC. through 2,690 SEC filings, with financial statements and metrics updated as new reports are filed.
Over the last 9 fiscal years BIOGEN INC.'s revenue declined from $11.45B to $9.89B, a compound annual decline rate of 1.6%. Net profit margin compressed from 32.3% to 13.1% over the same period - every figure below comes from the company's audited annual filings.
| Filing | Type | Filed |
|---|---|---|
| Major company event | 8-K | 2026-05-14 |
| SC TO-T/A | - | 2026-05-14 |
| SCHEDULE 13D/A | - | 2026-05-14 |
| SC TO-T/A | - | 2026-05-12 |
| SC TO-T/A | - | 2026-05-06 |
| SCHEDULE 13G/A | - | 2026-05-06 |
| Insider trade | 4 | 2026-05-05 |
| SCHEDULE 13G | - | 2026-04-29 |
Biogen’s Salanersen Receives FDA Breakthrough Therapy Designation for Spinal Muscular Atrophy | Biogen
UCB and Biogen Announce Publication in The Lancet of Positive Dapirolizumab Pegol (DZP) Phase 3 Study Results in Systemic Lupus Erythematosus | Biogen
Following the release of the financials, the Company will host a live webcast with Biogen management at 8:00 a.m. ET. To access the live webcast, please go to the investors section of Biogen’s website at investors.biogen.com . An archived version of the webcast will be available for at least 90 days following the presentation.
The largest companies sharing BIOGEN INC.'s SEC industry classification (biological products, (no diagnostic substances)).
BIOGEN INC. (BIIB) has a market capitalization of $28.68 B as of 2026-06-10, ranking #476 among US-listed companies.
BIOGEN INC. reported revenue of $9.89B for fiscal year 2025, an increase of 2.2% year over year.
Yes. BIOGEN INC. reported net income of $1.29B in its latest fiscal year.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
Dig into the full income statement, balance sheet, and cash flow statement with annual and quarterly views.