Biogen Inc.

Ballentine Partners, LLC BIIB

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/3/2026

Shares

6,305

Value ($000)

1,110

Weight

0.0%

2013 Q4 - 2025 Q4 (27 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	2/3/2026	1,110	0.0%	6,305	12/31/2025
2025 Q3	11/3/2025	832	0.0%	5,941	9/30/2025
2025 Q2	7/15/2025	688	0.0%	5,475	6/30/2025
2025 Q1	5/1/2025	523	0.0%	3,824	3/31/2025
2024 Q4	1/16/2025	373	0.0%	2,440	12/31/2024
2024 Q3	10/23/2024	296	0.0%	1,529	9/30/2024
2024 Q2	8/6/2024	773	0.0%	3,334	6/30/2024
2024 Q1	4/11/2024	359	0.0%	1,667	3/31/2024
2023 Q4	1/23/2024	427	0.0%	1,649	12/31/2023
2023 Q3	10/19/2023	393	0.0%	1,528	9/30/2023
2023 Q2	7/26/2023	422	0.0%	1,480	6/30/2023
2023 Q1	4/27/2023	395	0.0%	1,421	3/31/2023
2022 Q4	1/27/2023	410	0.0%	1,481	12/31/2022
2022 Q3	10/26/2022	395	0.0%	1,482	9/30/2022
2022 Q2	8/9/2022	241	0.0%	1,175	6/30/2022
2022 Q1	5/5/2022	263	0.0%	1,246	3/31/2022
2021 Q4	2/14/2022	317	0.0%	1,323	12/31/2021
2021 Q3	10/27/2021	326	0.0%	1,151	9/30/2021
2021 Q2	8/12/2021	454	0.0%	1,313	6/30/2021
2021 Q1	5/11/2021	395	0.0%	1,410	3/31/2021
2020 Q4	1/25/2021	355	0.0%	1,449	12/31/2020
2020 Q3	10/22/2020	1,500	0.1%	5,284	9/30/2020
2020 Q2	7/31/2020	1,855	0.1%	6,935	6/30/2020
2020 Q1	4/23/2020	2,210	0.1%	6,989	3/31/2020
2019 Q4	1/22/2020	2,056	0.1%	6,931	12/31/2019
2014 Q1	5/5/2014	375	0.0%	1,226	3/31/2014
2013 Q4	2/6/2014	327	0.0%	1,170	12/31/2013