Historical shareholding details of Bank of Oklahoma National Association holdings in Biogen Inc (BIIB)

Monthly changes of Bank of Oklahoma National Association 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	Bank Of Oklahoma National Association	20,852	0.01%

Sep 30, 2024	Bank Of Oklahoma National Association	24,209	0.02%

Jun 30, 2024	Bank Of Oklahoma National Association	24,828	0.02%

Mar 31, 2024	Bank Of Oklahoma National Association	25,798	0.02%

Dec 31, 2023	Bank Of Oklahoma National Association	34,354	0.02%

Sep 30, 2023	Bank Of Oklahoma National Association	42,961	0.03%

Jun 30, 2023	Bank Of Oklahoma National Association	27,378	0.02%

Mar 31, 2023	Bank Of Oklahoma National Association	21,954	0.02%