Biogen Inc.

State of Tennessee, Department of Treasury BIIB

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/18/2026

Shares

71,467

Value ($000)

12,856

Weight

0.0%

2013 Q3 - 2025 Q4 (28 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	2/18/2026	12,856	0.0%	71,467	12/31/2025
2025 Q3	11/14/2025	11,972	0.0%	85,463	9/30/2025
2025 Q2	8/15/2025	4,590	0.0%	36,544	6/30/2025
2025 Q1	5/13/2025	6,089	0.0%	44,497	3/31/2025
2024 Q4	2/13/2025	2,799	0.0%	18,302	12/31/2024
2024 Q3	11/14/2024	3,747	0.0%	19,329	9/30/2024
2024 Q2	8/13/2024	14,187	0.1%	61,199	6/30/2024
2024 Q1	5/14/2024	8,705	0.0%	40,368	3/31/2024
2023 Q4	2/14/2024	16,405	0.1%	63,396	12/31/2023
2023 Q3	11/14/2023	9,521	0.0%	37,046	9/30/2023
2023 Q2	8/15/2023	10,755	0.0%	37,757	6/30/2023
2023 Q1	5/12/2023	11,996	0.1%	43,148	3/31/2023
2022 Q4	2/15/2023	10,020	0.0%	36,184	12/31/2022
2022 Q3	1/26/2023	10,131	0.0%	37,942	9/30/2022
2022 Q2	8/15/2022	7,738	0.0%	37,942	6/30/2022
2022 Q1	5/11/2022	5,113	0.0%	24,280	3/31/2022
2021 Q4	2/15/2022	6,011	0.0%	25,054	12/31/2021
2021 Q3	11/12/2021	33,036	0.1%	116,739	9/30/2021
2021 Q2	8/11/2021	9,286	0.0%	26,817	6/30/2021
2021 Q1	5/10/2021	7,578	0.0%	27,088	3/31/2021
2020 Q4	2/9/2021	6,762	0.0%	27,617	12/31/2020
2020 Q3	11/16/2020	9,069	0.0%	31,968	9/30/2020
2020 Q2	8/13/2020	8,977	0.0%	33,553	6/30/2020
2020 Q1	5/28/2020	18,286	0.1%	57,798	3/31/2020
2019 Q4	2/6/2020	19,751	0.1%	66,562	12/31/2019
2014 Q1	5/30/2014	65,088	0.4%	212,797	3/31/2014
2013 Q4	5/14/2014	11,295	0.1%	40,400	12/31/2013
2013 Q3	5/14/2014	49,852	0.3%	207,059	9/30/2013