Employee Count History - Biogen Inc.

Historical employee count data from SEC filings.

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Workforce Trend Analysis

Workforce as of Dec 31, 2024

7,605

Total Change

-96.20%

Annual Growth Rate

-11.01%

Key Insight

Biogen Inc. has been reducing its workforce by 96.2% over the analyzed period.

Business Implications

The company has been reducing its workforce by approximately 11.0% annually, which could be due to efficiency improvements or strategic shifts. Recent trend shows a acceleration in workforce changes compared to the historical pattern.

Employee Count History

SEC Filing History

Filing Date	Period	Employee Count	Form Type	YoY Change
Feb 12, 2025	Dec 31, 2024	7,605	10-K	-6.64%
Feb 15, 2023	Dec 31, 2022	8,725	10-K	-9.21%
Feb 3, 2022	Dec 31, 2021	9,610	10-K	+5.60%
Feb 3, 2021	Dec 31, 2020	9,100	10-K	+22.97%
Feb 6, 2020	Dec 31, 2019	7,400	10-K	-5.13%
Feb 6, 2019	Dec 31, 2018	7,800	10-K	+6.85%
Feb 1, 2018	Dec 31, 2017	7,300	10-K	-1.35%
Feb 2, 2017	Dec 31, 2016	7,400	10-K	+0.68%
Feb 3, 2016	Dec 31, 2015	7,350	10-K	-2.65%
Feb 4, 2015	Dec 31, 2014	7,550	10-K	+10.22%
Feb 6, 2014	Dec 31, 2013	6,850	10-K	+15.13%
Feb 5, 2013	Dec 31, 2012	5,950	10-K	+19.00%
Feb 3, 2012	Dec 31, 2011	5,000	10-K	+3.09%
Feb 4, 2011	Dec 31, 2010	4,850	10-K	+2.11%
Feb 9, 2010	Dec 31, 2009	4,750	10-K	+1.06%
Feb 6, 2009	Dec 31, 2008	4,700	10-K	+9.30%
Feb 14, 2008	Dec 31, 2007	4,300	10-K	+14.67%
Feb 21, 2007	Dec 31, 2006	3,750	10-K	+12.28%
Mar 3, 2006	Dec 31, 2005	3,340	10-K	-21.71%
Mar 31, 2005	Dec 31, 2004	4,266	10-K	+14.46%
Mar 10, 2004	Dec 31, 2003	3,727	10-K	+274.57%
Mar 31, 2003	Dec 31, 2002	995	10-K	+43.79%
Apr 1, 2002	Dec 31, 2001	692	10-K	+40.37%
Apr 2, 2001	Dec 31, 2000	493	10-K	-99.75%
Mar 30, 2000	Dec 31, 1999	200,000	10-K	0.00%
Mar 31, 1999	Dec 31, 1998	200,000	10-K405	0.00%
Feb 27, 1998	Dec 31, 1997	200,000	10-K405	0.00%
Mar 31, 1997	Dec 31, 1996	200,000	10-K405