Biogen Inc.

DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main BIIB

Report date

3/31/2026

Quarter

2026 Q1

Filed

5/15/2026

Shares

22,926

Value ($000)

4,197

Weight

0.0%

2019 Q3 - 2026 Q1 (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
2026 Q1	5/15/2026	4,197	0.0%	22,926	3/31/2026
2025 Q4	2/17/2026	4,386	0.0%	24,919	12/31/2025
2025 Q3	11/14/2025	15,903	0.0%	113,553	9/30/2025
2025 Q2	8/14/2025	18,522	0.0%	147,482	6/30/2025
2025 Q1	5/15/2025	18,185	0.0%	132,891	3/31/2025
2024 Q4	2/14/2025	11,135	0.0%	72,818	12/31/2024
2024 Q3	5/4/2026	14,738	0.0%	76,032	9/30/2024
2024 Q2	5/4/2026	5,205	0.0%	22,471	6/30/2024
2024 Q1	5/4/2026	5,699	0.0%	26,421	3/31/2024
2023 Q4	5/4/2026	9,434	0.0%	36,475	12/31/2023
2023 Q3	5/4/2026	8,898	0.0%	34,621	9/30/2023
2023 Q2	5/4/2026	9,459	0.0%	33,206	6/30/2023
2023 Q1	5/4/2026	6,708	0.0%	24,126	3/31/2023
2022 Q4	5/4/2026	16,662	0.0%	60,171	12/31/2022
2022 Q3	5/4/2026	14,429	0.0%	54,042	9/30/2022
2022 Q2	5/4/2026	5,792	0.0%	28,401	6/30/2022
2022 Q1	5/4/2026	3,580	0.0%	17,001	3/31/2022
2021 Q4	5/4/2026	4,081	0.0%	17,001	12/31/2021
2021 Q3	5/4/2026	8,618	0.0%	30,446	9/30/2021
2021 Q2	5/4/2026	12,937	0.0%	37,358	6/30/2021
2021 Q1	5/4/2026	7,639	0.0%	27,526	3/31/2021
2020 Q4	5/4/2026	11,012	0.0%	45,126	12/31/2020
2020 Q3	5/4/2026	29,533	0.1%	104,102	9/30/2020
2020 Q2	5/4/2026	38,405	0.1%	143,527	6/30/2020
2020 Q1	5/4/2026	24,663	0.1%	77,933	3/31/2020
2019 Q4	5/4/2026	43,738	0.1%	147,455	12/31/2019
2019 Q3	5/4/2026	42,231	0.1%	181,389	9/30/2019