Historical shareholding details of Robeco Institutional Asset Management BV holdings in Biogen Inc (BIIB)

Monthly changes of Robeco Institutional Asset Management BV shareholding in Biogen Inc over the previous months

Month Name Total no. shares held Percent Holding
Feb 28, 2025 Robeco Institutional Asset Management Bv 55,110 0.04%
Jan 31, 2025 Robeco Institutional Asset Management Bv 45,652 0.03%
Dec 31, 2024 Robeco Institutional Asset Management Bv 408,276 0.28%
Dec 31, 2024 Robeco Institutional Asset Management Bv 33,814 0.02%
Nov 30, 2024 Robeco Institutional Asset Management Bv 33,814 0.02%
Oct 31, 2024 Robeco Institutional Asset Management Bv 19,089 0.01%
Sep 30, 2024 Robeco Institutional Asset Management Bv 274,708 0.19%
Sep 30, 2024 Robeco Institutional Asset Management Bv 19,089 0.01%
Aug 31, 2024 Robeco Institutional Asset Management Bv 16,961 0.01%
Jul 31, 2024 Robeco Institutional Asset Management Bv 16,961 0.01%
Jun 30, 2024 Robeco Institutional Asset Management Bv 214,937 0.15%
Jun 30, 2024 Robeco Institutional Asset Management Bv 20,224 0.01%
May 31, 2024 Robeco Institutional Asset Management Bv 20,642 0.01%
Apr 30, 2024 Robeco Institutional Asset Management Bv 21,549 0.01%
Mar 31, 2024 Robeco Institutional Asset Management Bv 231,516 0.16%
Mar 31, 2024 Robeco Institutional Asset Management Bv 22,165 0.02%
Feb 29, 2024 Robeco Institutional Asset Management Bv 25,428 0.02%
Jan 31, 2024 Robeco Institutional Asset Management Bv 29,302 0.02%
Dec 31, 2023 Robeco Institutional Asset Management Bv 293,540 0.20%
Dec 31, 2023 Robeco Institutional Asset Management Bv 25,868 0.02%
Nov 30, 2023 Robeco Institutional Asset Management Bv 28,464 0.02%
Oct 31, 2023 Robeco Institutional Asset Management Bv 34,076 0.02%
Sep 30, 2023 Robeco Institutional Asset Management Bv 341,810 0.24%
Sep 30, 2023 Robeco Institutional Asset Management Bv 31,427 0.02%
Aug 31, 2023 Robeco Institutional Asset Management Bv 42,819 0.03%
Jul 31, 2023 Robeco Institutional Asset Management Bv 41,891 0.03%
Jun 30, 2023 Robeco Institutional Asset Management Bv 343,217 0.24%
Jun 30, 2023 Robeco Institutional Asset Management Bv 50,030 0.03%
May 31, 2023 Robeco Institutional Asset Management Bv 54,904 0.04%
Mar 31, 2023 Robeco Institutional Asset Management Bv 361,447 0.25%

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