Quick Answer
BIOGEN INC. reported Long-Term Debt of $6.28 billion for fiscal year 2022.
BIOGEN INC. Long-Term Debt — Annual History
| Fiscal Year | Long-Term Debt | YoY Change |
|---|---|---|
| 2022 | $6.28B | +0.1% |
| 2021 | $6.27B | -15.5% |
| 2020 | $7.43B | +66.5% |
| 2019 | $4.46B | -24.9% |
| 2018 | $5.94B | +0.0% |
| 2017 | $5.93B | -8.9% |
| 2016 | $6.51B | -0.1% |
| 2015 | $6.52B | +1023.8% |
| 2014 | $580.30M | -2.0% |
| 2013 | $592.43M | -13.8% |
| 2012 | $687.40M | — |
Quarterly Long-Term Debt
| Quarter Ending | Long-Term Debt | YoY | QoQ |
|---|---|---|---|
| September 30, 2025 | $6.29B | +38.3% | +0.0% |
| June 30, 2025 | $6.28B | -0.1% | +38.1% |
| March 31, 2025 | $4.55B | -27.7% | +0.0% |
| December 31, 2024 | $4.55B | -33.0% | +0.0% |
| September 30, 2024 | $4.55B | -33.0% | -27.8% |
| June 30, 2024 | $6.29B | +0.1% | +0.0% |
| March 31, 2024 | $6.29B | +0.1% | -7.3% |
| December 31, 2023 | $6.79B | +8.1% | +0.0% |
- BIOGEN INC. showed an increase of +0.1% in Long-Term Debt compared to the prior fiscal year.
- Over the 2012–2022 period, BIOGEN INC.’s long-term debt has grown by 813.7% (from $687.40 million to $6.28 billion).
- The most recent figure is from BIOGEN INC.’s fiscal year 2022 report (Form 10-K), filed with the SEC on February 15, 2023.
- All figures are sourced from SEC EDGAR XBRL filings, last verified June 17, 2026.
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