Biogen Inc.

FLPUTNAM INVESTMENT MANAGEMENT CO BIIB

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/9/2026

Shares

1,898

Value ($000)

334

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	2/9/2026	334	0.0%	1,898	12/31/2025
2025 Q3	10/10/2025	297	0.0%	2,121	9/30/2025
2025 Q2	8/12/2025	237	0.0%	1,890	6/30/2025
2025 Q1	5/15/2025	285	0.0%	2,080	3/31/2025
2024 Q4	2/5/2025	289	0.0%	1,891	12/31/2024
2024 Q3	11/8/2024	376	0.0%	1,942	9/30/2024
2024 Q2	8/14/2024	492	0.0%	2,122	6/30/2024
2024 Q1	5/3/2024	457	0.0%	2,118	3/31/2024
2023 Q4	1/30/2024	500	0.0%	1,931	12/31/2023
2023 Q3	11/6/2023	544	0.0%	2,116	9/30/2023
2023 Q2	8/14/2023	603	0.0%	2,118	6/30/2023
2023 Q1	4/27/2023	574	0.0%	2,066	3/31/2023
2022 Q4	1/31/2023	556	0.0%	2,008	12/31/2022
2022 Q3	11/7/2022	555	0.0%	2,080	9/30/2022
2022 Q2	8/8/2022	424	0.0%	2,080	6/30/2022
2022 Q1	4/28/2022	439	0.0%	2,083	3/31/2022
2021 Q4	2/15/2022	514	0.0%	2,141	12/31/2021
2021 Q3	10/26/2021	606	0.0%	2,141	9/30/2021
2021 Q2	8/11/2021	741	0.0%	2,141	6/30/2021
2021 Q1	5/14/2021	339	0.0%	1,211	3/31/2021
2020 Q4	2/2/2021	313	0.0%	1,278	12/31/2020
2020 Q3	11/3/2020	689	0.0%	2,428	9/30/2020
2020 Q2	8/13/2020	650	0.0%	2,430	6/30/2020
2020 Q1	5/8/2020	1,122	0.1%	3,546	3/31/2020
2019 Q4	1/30/2020	1,109	0.1%	3,738	12/31/2019
2014 Q2	7/24/2014	7,346	0.8%	23,297	6/30/2014
2014 Q1	5/5/2014	7,262	0.9%	23,741	3/31/2014
2013 Q4	2/3/2014	6,073	0.7%	21,722	12/31/2013