Quick Answer
BIOGEN INC. reported Stockholders Equity of $18.26 billion for fiscal year 2025.
BIOGEN INC. Stockholders Equity — Annual History
| Fiscal Year | Stockholders Equity | YoY Change |
|---|---|---|
| 2025 | $18.26B | +9.2% |
| 2024 | $16.72B | +13.0% |
| 2023 | $14.80B | +10.5% |
| 2022 | $13.40B | +23.0% |
| 2021 | $10.90B | +1.8% |
| 2020 | $10.70B | -19.8% |
| 2019 | $13.34B | +2.3% |
| 2018 | $13.04B | +3.4% |
| 2017 | $12.61B | +3.9% |
| 2016 | $12.14B | +29.5% |
| 2015 | $9.37B | -13.3% |
| 2014 | $10.81B | +25.4% |
| 2013 | $8.62B | +23.8% |
| 2012 | $6.96B | +8.3% |
| 2011 | $6.43B | +19.1% |
| 2010 | $5.40B | -13.3% |
| 2009 | $6.22B | +7.2% |
| 2008 | $5.81B | +4.5% |
| 2007 | $5.55B | -22.4% |
| 2006 | $7.16B | — |
Quarterly Stockholders Equity
| Quarter Ending | Stockholders Equity | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | $18.21B | +11.3% | +3.3% |
| June 30, 2025 | $17.63B | +11.0% | +3.9% |
| March 31, 2025 | $16.98B | +11.6% | +1.6% |
| December 31, 2024 | $16.72B | +13.0% | +2.2% |
| September 30, 2024 | $16.36B | +12.9% | +3.0% |
| June 30, 2024 | $15.89B | +9.8% | +4.4% |
| March 31, 2024 | $15.21B | +10.3% | +2.8% |
| December 31, 2023 | $14.80B | +10.5% | +2.2% |
- BIOGEN INC. showed an increase of +9.2% in Stockholders Equity compared to the prior fiscal year.
- Over the 2006–2025 period, BIOGEN INC.’s stockholders equity has grown by 155.0% (from $7.16 billion to $18.26 billion).
- The most recent figure is from BIOGEN INC.’s fiscal year 2025 report (Form 10-K), filed with the SEC on February 6, 2026.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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