Biogen Inc.

Empirical Financial Services, LLC d.b.a. Empirical Wealth Management BIIB

Report date

12/31/2025

Quarter

2025 Q4

Filed

1/16/2026

Shares

2,218

Value ($000)

390

Weight

0.0%

2020 Q1 - 2025 Q4 (13 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2025 Q4	1/16/2026	390	0.0%	2,218	12/31/2025
2025 Q3	11/10/2025	205	0.0%	1,465	9/30/2025
2024 Q2	8/9/2024	330	0.0%	1,422	6/30/2024
2023 Q4	2/6/2024	1,354	0.0%	5,234	12/31/2023
2023 Q2	8/11/2023	657	0.0%	2,306	6/30/2023
2021 Q4	2/14/2022	228	0.0%	950	12/31/2021
2021 Q3	11/2/2021	243	0.0%	858	9/30/2021
2021 Q2	8/12/2021	377	0.0%	1,089	6/30/2021
2021 Q1	5/17/2021	207	0.0%	741	3/31/2021
2020 Q4	2/12/2021	577	0.0%	2,357	12/31/2020
2020 Q3	11/12/2020	623	0.1%	2,195	9/30/2020
2020 Q2	8/12/2020	507	0.0%	1,896	6/30/2020
2020 Q1	5/11/2020	479	0.1%	1,514	3/31/2020