Free data · BIIB
Biogen Inc (BIIB) free float and shares outstanding
As of 2026-08-04, Datawiser estimates Biogen Inc (BIIB) free float at 99.7863%, using 147,753,998 shares outstanding and 315,705 excluded shares. The latest company-reported outstanding-share observation in this published snapshot is 147,753,998 shares as of 2026-07-27, sourced from a 10-Q filing.
- Free float
- 99.7863%
- Free-float factor
- 0.997863
- Estimate date
Free-float snapshot
| Free float | 99.7863% |
|---|---|
| Free-float factor | 0.997863 |
| As of | |
| Shares outstanding used | 147,753,998 |
| Excluded shares | 315,705 |
Latest company-reported shares outstanding
| Shares outstanding | 147,753,998 |
|---|---|
| As of | |
| Observation type | latest_practicable_outstanding |
| Filing type | 10-Q |
| Security type | Common Stock |
The reported share count and Datawiser free-float estimate retain separate dates because they are independently selected observations.
Security identifiers
| Security | Biogen Ord Shs |
|---|---|
| Ticker | BIIB |
| Exchange MIC | XNGS |
| Currency | USD |
| FIGI | BBG000C18861 |
How to cite this page
Datawiser, “Biogen Inc (BIIB) free-float data,” free-float estimate as of 2026-08-04, https://datawiser.ai/free-data/biib.
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