Historical shareholding details of iShares Biotechnology ETF holdings in Biogen Inc (BIIB)

Monthly changes of iShares Biotechnology ETF shareholding in Biogen Inc over the previous months

Month Name Total no. shares held Percent Holding
Mar 31, 2025 Ishares Biotechnology Etf 929,812 0.64%
Mar 28, 2025 Ishares Biotechnology Etf 941,689 0.64%
Mar 25, 2025 Ishares Biotechnology Etf 946,745 0.65%
Feb 28, 2025 Ishares Biotechnology Etf 858,461 0.59%
Feb 26, 2025 Ishares Biotechnology Etf 894,215 0.61%
Jan 31, 2025 Ishares Biotechnology Etf 912,607 0.63%
Jan 29, 2025 Ishares Biotechnology Etf 914,094 0.63%
Dec 31, 2024 Ishares Biotechnology Etf 939,236 0.64%
Dec 30, 2024 Ishares Biotechnology Etf 944,324 0.65%
Nov 30, 2024 Ishares Biotechnology Etf 985,464 0.68%
Nov 27, 2024 Ishares Biotechnology Etf 997,145 0.68%
Oct 31, 2024 Ishares Biotechnology Etf 1,017,405 0.70%
Oct 30, 2024 Ishares Biotechnology Etf 1,025,031 0.70%
Oct 29, 2024 Ishares Biotechnology Etf 1,025,031 0.70%
Sep 30, 2024 Ishares Biotechnology Etf 1,056,496 0.73%
Sep 27, 2024 Ishares Biotechnology Etf 1,054,466 0.72%
Sep 25, 2024 Ishares Biotechnology Etf 1,062,586 0.73%
Aug 30, 2024 Ishares Biotechnology Etf 1,061,433 0.73%
Aug 28, 2024 Ishares Biotechnology Etf 1,054,739 0.72%
Jul 31, 2024 Ishares Biotechnology Etf 1,067,531 0.73%
Jul 29, 2024 Ishares Biotechnology Etf 1,073,869 0.74%
Jun 28, 2024 Ishares Biotechnology Etf 1,071,873 0.74%
Jun 13, 2024 Ishares Biotechnology Etf 1,060,696 0.73%
May 29, 2024 Ishares Biotechnology Etf 1,036,088 0.71%
Apr 26, 2024 Ishares Biotechnology Etf 1,075,381 0.74%
Mar 27, 2024 Ishares Biotechnology Etf 1,084,076 0.75%
Feb 26, 2024 Ishares Biotechnology Etf 1,098,019 0.76%
Jan 29, 2024 Ishares Biotechnology Etf 1,083,211 0.75%
Dec 27, 2023 Ishares Biotechnology Etf 1,069,947 0.74%
Nov 29, 2023 Ishares Biotechnology Etf 990,221 0.68%
Oct 27, 2023 Ishares Biotechnology Etf 1,029,314 0.71%
Sep 27, 2023 Ishares Biotechnology Etf 1,047,523 0.72%
Aug 29, 2023 Ishares Biotechnology Etf 1,019,978 0.70%
Jul 28, 2023 Ishares Biotechnology Etf 1,027,104 0.71%
Jun 21, 2023 Ishares Biotechnology Etf 1,040,624 0.72%
May 30, 2023 Ishares Biotechnology Etf 1,049,728 0.73%

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