Biogen Inc.

PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO BIIB

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/17/2026

Shares

47,370

Value ($000)

8,337

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	2/17/2026	8,337	0.0%	47,370	12/31/2025
2025 Q3	11/14/2025	6,868	0.0%	49,029	9/30/2025
2025 Q2	7/15/2025	5,696	0.0%	45,355	6/30/2025
2025 Q1	5/14/2025	6,139	0.0%	44,863	3/31/2025
2024 Q4	2/19/2025	7,654	0.0%	50,051	12/31/2024
2024 Q3	11/15/2024	10,257	0.0%	52,917	9/30/2024
2024 Q2	8/14/2024	13,763	0.1%	59,369	6/30/2024
2024 Q1	5/15/2024	13,915	0.1%	64,530	3/31/2024
2023 Q4	2/16/2024	18,578	0.1%	71,793	12/31/2023
2023 Q3	12/19/2023	18,716	0.1%	72,821	9/30/2023
2023 Q2	12/19/2023	23,333	0.1%	81,915	6/30/2023
2023 Q1	12/19/2023	24,539	0.1%	88,261	3/31/2023
2022 Q4	12/19/2023	22,054	0.1%	79,641	12/31/2022
2022 Q3	11/15/2022	20,002	0.1%	74,912	9/30/2022
2022 Q2	8/15/2022	15,162	0.1%	74,346	6/30/2022
2022 Q1	5/16/2022	18,392	0.1%	87,331	3/31/2022
2021 Q4	2/15/2022	21,761	0.1%	90,702	12/31/2021
2021 Q3	11/15/2021	26,824	0.1%	94,787	9/30/2021
2021 Q2	8/16/2021	33,318	0.1%	96,220	6/30/2021
2021 Q1	5/14/2021	27,264	0.1%	97,459	3/31/2021
2020 Q4	2/12/2021	22,890	0.1%	93,481	12/31/2020
2020 Q3	11/16/2020	26,507	0.1%	93,440	9/30/2020
2020 Q2	8/17/2020	27,428	0.2%	102,516	6/30/2020
2020 Q1	5/13/2020	31,409	0.2%	99,275	3/31/2020
2019 Q4	2/14/2020	33,725	0.2%	113,657	12/31/2019
2014 Q1	5/15/2014	57,658	0.3%	188,505	3/31/2014
2013 Q4	2/14/2014	57,119	0.3%	204,178	12/31/2013