Biogen Inc.
Statements
Segments
US companies must disclose in their mandatory reports how revenue breaks down across business segments, regions and product lines. We read that breakdown for you straight from the annual and quarterly reports (10-K and 10-Q) of Biogen Inc. (BIIB). It shows which part of the business is growing — and which one is holding it back.
Revenue by business segment
| Segment | Q1 2025 | Q2 2025 | Q1 2026 | Q2 2026 |
|---|---|---|---|---|
| Reportable Segment | $2.43B 100.0% | $2.65B 100.0% | $2.48B 100.0% | $2.74B 100.0% |
Large figure: segment revenue. Below it the share of revenue in that period and the change against the prior year.
Segment and region names are the ones the company itself uses and are shown as reported. Change and share refer to revenue.
Data as of: September 23, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q) · Segment figures: SEC EDGAR (10-K/10-Q reports)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.