Layoffs at Biogen
- Layoff events
- 6
- verified and sourced
- Roles reported
- At least 1,113
- events with no figure are not in this number
- Announced between
- Apr 2023 to Jun 2026
- Reported by
- Reuters, Fierce Biotech, and Biogen / U.S. SEC
This page records what we could verify and source. It is not a complete record of every job cut at Biogen: a layoff nobody published and nobody sent us is a layoff that is not on this page.
| Company | What happened | Roles reported | Share of staff | Where | Announced | Sources |
|---|---|---|---|---|---|---|
| Biogen |
Merger or acquisition
After acquiring Apellis Pharmaceuticals, Biogen paused or terminated most legacy Apellis research programs and eliminated a small number of research roles during the integration. |
Not known | Not known | Company-wide | ||
| Biogen |
Restructuring
Biogen confirmed layoffs affecting a small number of employees as it ended all AAV-based gene-therapy work and reassigned most of the team. |
Not known | Not known | Company-wide |
1 source for Biogen |
|
| Biogen |
Restructuring
Biogen confirmed an undisclosed reduction in its research organization as it reprioritized preclinical work and shifted resources toward external opportunities. |
Not known | Not known | Company-wide |
1 source for Biogen |
|
| Biogen |
Merger or acquisition
Biogen disclosed 113 layoffs at recently acquired Reata Pharmaceuticals operations in Texas. |
113 | Not known | Former Reata Pharmaceuticals operations, United States |
1 source for Biogen |
|
| Biogen |
Restructuring
Biogen announced its Fit for Growth program, including a net headcount reduction of approximately 1,000 employees by 2025. |
1,000 | Not known | United States |
1 source for Biogen |
|
| Biogen |
Restructuring
Biogen confirmed that some U.S. employees had been informed their roles were affected as the company optimized business strategies and its cost base. |
Not known | Not known | United States |
1 source for Biogen |
Where this comes from
Every cut listed for Biogen was entered by a person who checked it against a filing or a named report. Nothing is scraped and nothing publishes itself. What is not here is what we have not verified, not what did not happen.
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