Operating
Inventory write-downs
Biogen Inventory write-downs decreased by 68.6% to $4.8M in Q1 2026 compared to the prior quarter. Year-over-year, this metric declined by 34.2%, from $7.3M to $4.8M. Over 4 years (FY 2021 to FY 2025), Inventory write-downs shows a downward trend with a -35.5% CAGR.
Analysis
StatementCash Flow Statement
SectionOperating
First reportedQ1 2019
Last reportedQ1 2026Apr 29, 2026
Metric ID:
operating_inventory_write_downHistorical Data
20 periods
| Q2 '21 | Q3 '21 | Q4 '21 | Q1 '22 | Q2 '22 | Q3 '22 | Q4 '22 | Q1 '23 | Q2 '23 | Q3 '23 | Q4 '23 | Q1 '24 | Q2 '24 | Q3 '24 | Q4 '24 | Q1 '25 | Q2 '25 | Q3 '25 | Q4 '25 | Q1 '26 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Value | $0 | $28.2M | $131.1M | $281.5M | $24.1M | $16M | $14.6M | $17.4M | $19.4M | $25.3M | $62.3M | $27.5M | $16.9M | $24.3M | $33.2M | $7.3M | $7M | $0 | $15.3M | $4.8M |
| QoQ Change | — | — | +364.9% | +114.7% | -91.4% | -33.6% | -8.8% | +19.2% | +11.5% | +30.4% | +146.2% | -55.9% | -38.5% | +43.8% | +36.6% | -78.0% | -4.1% | -100.0% | — | -68.6% |
| YoY Change | — | — | — | — | — | -43.3% | -88.9% | -93.8% | -19.5% | +58.1% | +326.7% | +58.0% | -12.9% | -4.0% | -46.7% | -73.5% | -58.6% | -100.0% | -53.9% | -34.2% |
Range$0 – $281.5M
Avg YoY Growth-12.4%
Median YoY Growth-43.3%
Current Streak5 quarters decline
Inventory write-downs at Other Companies
Frequently Asked Questions
- What is Biogen's inventory write-downs?
- Biogen (BIIB) reported inventory write-downs of $4.8M in Q1 2026.
- How has Biogen's inventory write-downs changed year-over-year?
- Biogen's inventory write-downs decreased by 34.2% year-over-year, from $7.3M to $4.8M.
- What is the long-term trend for Biogen's inventory write-downs?
- Over 4 years (2021 to 2025), Biogen's inventory write-downs has grown at a -35.5% compound annual growth rate (CAGR), from $171.2M to $29.6M.