Biogen Inc. P/E Ratio 2007–2025
Biogen Inc. reported 20.02 of price-to-earnings ratio for fiscal 2025. That was 46.4% higher than fiscal 2024. Compared with fiscal 2020, the change was +102.8%. This is a fiscal-year-end price divided by diluted EPS—not a live valuation—and is omitted when annual EPS is not positive.
| Fiscal year | P/E Ratio | Change (YoY) |
|---|---|---|
| FY 2025 | 20.02 | +46.4% |
| FY 2024 | 13.68 | -57.9% |
| FY 2023 | 32.47 | +144.7% |
| FY 2022 | 13.27 | -42.5% |
| FY 2021 | 23.07 | +133.7% |
| FY 2020 | 9.87 | +4.5% |
| FY 2019 | 9.44 | -32.3% |
| FY 2018 | 13.94 | -47.8% |
| FY 2017 | 26.73 | +59.6% |
| FY 2016 | 16.75 | -16.1% |
| FY 2015 | 19.97 | -27.2% |
| FY 2014 | 27.44 | -23.3% |
| FY 2013 | 35.80 | +40.9% |
| FY 2012 | 25.41 | +16.4% |
| FY 2011 | 21.84 | +28.3% |
| FY 2010 | 17.02 | +6.6% |
| FY 2009 | 15.97 | -11.1% |
| FY 2008 | 17.97 | -37.2% |
| FY 2007 | 28.60 | — |
Source: Biogen Inc. SEC filings — fiscal-year-end price ÷ diluted EPS. Computed deterministically; refreshed nightly (last updated August 2, 2026). Open BIIB 10-K filings at SEC EDGAR · Methodology · Download CSV.
How to read this history
Biogen Inc. reported 20.02 of price-to-earnings ratio for fiscal 2025. That was 46.4% higher than fiscal 2024. Compared with fiscal 2020, the change was +102.8%. This is a fiscal-year-end price divided by diluted EPS—not a live valuation—and is omitted when annual EPS is not positive. Values remain missing when the cached filing does not disclose a comparable line item; they are never estimated. Stock splits, reorganizations and fiscal-calendar changes can reduce comparability.
Prepared and reviewed by the stockportfolio.pro research desk. Corrections: support@stockportfolio.pro.
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What is Biogen Inc.'s price-to-earnings ratio?
Biogen Inc. (BIIB) reported price-to-earnings ratio of 20.02 for fiscal year 2025, per its SEC filings.
How has Biogen Inc.'s price-to-earnings ratio changed over time?
Between fiscal 2007 and 2025, BIIB's price-to-earnings ratio declined at roughly 2.0% per year (compound annual rate), from 28.60 to 20.02.
Where does this data come from?
Figures are computed from Biogen Inc.'s official SEC filings (fiscal-year-end price ÷ diluted EPS), refreshed nightly. Not investment advice.
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