Historical shareholding details of SEI Investments Co holdings in Biogen Inc (BIIB)

Monthly changes of SEI Investments Co shareholding in Biogen Inc over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Dec 31, 2024	Sei Investments Co	32,694	0.02%

Sep 30, 2024	Sei Investments Co	107,952	0.07%

Jun 30, 2024	Sei Investments Co	105,351	0.07%

Mar 31, 2024	Sei Investments Co	90,451	0.06%

Dec 31, 2023	Sei Investments Co	89,614	0.06%

Sep 30, 2023	Sei Investments Co	91,796	0.06%

Jun 30, 2023	Sei Investments Co	91,261	0.06%

Mar 31, 2023	Sei Investments Co	101,415	0.07%

Dec 31, 2022	Sei Investments Co	97,432	0.07%