Biogen Inc.

FIRST TRUST ADVISORS LP BIIB

Report date

12/31/2025

Quarter

2025 Q4

Filed

2/13/2026

Shares

565,847

Value ($000)

99,583

Weight

0.1%

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	2/13/2026	99,583	0.1%	565,847	12/31/2025
2025 Q3	11/12/2025	117,745	0.1%	840,557	9/30/2025
2025 Q2	8/13/2025	109,744	0.1%	873,823	6/30/2025
2025 Q1	5/14/2025	90,509	0.1%	661,420	3/31/2025
2024 Q4	2/13/2025	78,185	0.1%	511,280	12/31/2024
2024 Q3	11/13/2024	69,490	0.1%	358,491	9/30/2024
2024 Q2	8/13/2024	90,398	0.1%	389,951	6/30/2024
2024 Q1	5/13/2024	72,084	0.1%	334,296	3/31/2024
2023 Q4	2/13/2024	252,898	0.3%	977,308	12/31/2023
2023 Q3	11/13/2023	104,221	0.1%	405,513	9/30/2023
2023 Q2	8/14/2023	117,272	0.1%	411,699	6/30/2023
2023 Q1	5/15/2023	107,206	0.1%	385,592	3/31/2023
2022 Q4	2/9/2023	76,230	0.1%	275,283	12/31/2022
2022 Q3	11/14/2022	103,856	0.1%	388,976	9/30/2022
2022 Q2	8/12/2022	89,611	0.1%	439,401	6/30/2022
2022 Q1	5/13/2022	83,718	0.1%	397,521	3/31/2022
2021 Q4	2/8/2022	82,856	0.1%	345,349	12/31/2021
2021 Q3	11/15/2021	93,049	0.1%	328,808	9/30/2021
2021 Q2	10/12/2021	149,625	0.2%	432,106	6/30/2021
2021 Q1	5/14/2021	117,959	0.1%	421,659	3/31/2021
2020 Q4	2/2/2021	101,181	0.1%	413,218	12/31/2020
2020 Q3	11/5/2020	122,959	0.2%	433,441	9/30/2020
2020 Q2	7/22/2020	106,396	0.2%	397,666	6/30/2020
2020 Q1	5/6/2020	152,048	0.3%	480,588	3/31/2020
2019 Q4	2/3/2020	160,953	0.3%	542,423	12/31/2019
2014 Q2	8/11/2014	111,462	0.5%	353,501	6/30/2014
2014 Q1	5/12/2014	107,323	0.5%	350,879	3/31/2014
2013 Q4	8/8/2014	74,867	0.4%	267,792	12/31/2013