Biogen Inc.

STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM BIIB

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/12/2026

Shares

125,750

Value ($000)

22,131

Weight

0.0%

2013 Q4 - 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	2/12/2026	22,131	0.0%	125,750	12/31/2025
2025 Q3	11/14/2025	18,405	0.0%	131,389	9/30/2025
2025 Q2	8/13/2025	16,935	0.0%	134,847	6/30/2025
2025 Q1	5/12/2025	18,275	0.0%	133,547	3/31/2025
2024 Q4	2/10/2025	20,422	0.0%	133,547	12/31/2024
2024 Q3	11/8/2024	27,687	0.1%	142,832	9/30/2024
2024 Q2	8/8/2024	33,756	0.1%	145,611	6/30/2024
2024 Q1	5/8/2024	49,611	0.1%	178,436	3/31/2024
2023 Q4	2/9/2024	41,227	0.1%	159,321	12/31/2023
2023 Q3	11/8/2023	41,138	0.1%	160,065	9/30/2023
2023 Q2	8/11/2023	50,049	0.1%	175,702	6/30/2023
2023 Q1	6/14/2023	49,611	0.1%	178,436	3/31/2023
2022 Q4	6/14/2023	50,432	0.1%	182,116	12/31/2022
2022 Q3	11/8/2022	48,478	0.1%	181,566	9/30/2022
2022 Q2	8/5/2022	38,276	0.1%	187,682	6/30/2022
2022 Q1	5/6/2022	40,754	0.1%	193,516	3/31/2022
2021 Q4	2/8/2022	47,654	0.1%	198,623	12/31/2021
2021 Q3	11/8/2021	57,296	0.1%	202,466	9/30/2021
2021 Q2	8/10/2021	72,947	0.1%	210,666	6/30/2021
2021 Q1	5/10/2021	58,767	0.1%	210,070	3/31/2021
2020 Q4	2/8/2021	53,752	0.1%	219,523	12/31/2020
2020 Q3	11/9/2020	66,320	0.2%	233,784	9/30/2020
2020 Q2	8/7/2020	63,309	0.2%	236,624	6/30/2020
2020 Q1	5/5/2020	76,073	0.2%	240,447	3/31/2020
2019 Q4	2/3/2020	75,042	0.2%	252,895	12/31/2019
2014 Q2	8/7/2014	113,017	0.4%	358,432	6/30/2014
2014 Q1	4/24/2014	110,163	0.4%	360,162	3/31/2014
2013 Q4	2/5/2014	111,756	0.3%	399,486	12/31/2013