stockportfolio.pro
Biogen Inc. Shares Outstanding 2007–2025
Biogen Inc. (BIIB) annual shares outstanding by fiscal year, computed from SEC filings.
| Fiscal year | Shares Outstanding | Change (YoY) |
|---|---|---|
| FY 2025 | 146.8M | +0.7% |
| FY 2024 | 145.8M | +0.6% |
| FY 2023 | 144.9M | +0.6% |
| FY 2022 | 144.0M | -2.0% |
| FY 2021 | 147.0M | -3.5% |
| FY 2020 | 152.4M | -12.5% |
| FY 2019 | 174.2M | -11.7% |
| FY 2018 | 197.2M | -6.8% |
| FY 2017 | 211.5M | -2.0% |
| FY 2016 | 215.9M | -1.2% |
| FY 2015 | 218.6M | -6.8% |
| FY 2014 | 234.6M | -0.7% |
| FY 2013 | 236.3M | -0.1% |
| FY 2012 | 236.6M | -2.3% |
| FY 2011 | 242.1M | +0.7% |
| FY 2010 | 240.5M | +87414.5% |
| FY 2009 | 0.3M | -99.9% |
| FY 2008 | 288.0M | — |
| FY 2007 | 0.0M | — |
Source: Biogen Inc. SEC filings — balance sheet (10-K), split-adjusted. Refreshed nightly.
See the full picture for Biogen Inc.
Complete income statement, balance sheet and cash flow with trend on every row, 48 quarters, ratios, health checks, and Ask — the SEC-grounded research assistant.
Open the interactive view — freeBiogen Inc. — frequently asked questions
What is Biogen Inc.'s shares outstanding?
Biogen Inc. (BIIB) reported shares outstanding of 146.8M for fiscal year 2025, per its SEC filings.
Where does this data come from?
Figures are computed from Biogen Inc.'s official SEC filings (balance sheet (10-K), split-adjusted), refreshed nightly. Not investment advice.