Historical shareholding details of New York State Teachers Retirement System holdings in Biogen Inc (BIIB)

Monthly changes of New York State Teachers Retirement System shareholding in Biogen Inc over the previous months

Month	Name	Total no. shares held	Percent Holding
Month	Name	Total no. shares held	Percent Holding
Jun 30, 2025	New York State Teachers Retirement System	110,649	0.08%

Mar 31, 2025	New York State Teachers Retirement System	107,676	0.07%

Dec 31, 2024	New York State Teachers Retirement System	111,128	0.08%

Sep 30, 2024	New York State Teachers Retirement System	117,801	0.08%

Jun 30, 2024	New York State Teachers Retirement System	123,335	0.08%

Mar 31, 2024	New York State Teachers Retirement System	126,819	0.09%

Dec 31, 2023	New York State Teachers Retirement System	135,449	0.09%

Sep 30, 2023	New York State Teachers Retirement System	143,058	0.10%

Jun 30, 2023	New York State Teachers Retirement System	154,189	0.11%

Mar 31, 2023	New York State Teachers Retirement System	162,091	0.11%

Dec 31, 2022	New York State Teachers Retirement System	163,698	0.11%