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Disclosery

AEGON ASSET MANAGEMENT UK Plc: BIIB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of AEGON ASSET MANAGEMENT UK Plc on BIIB, newest first. How the timeline and the estimate are built.

AEGON ASSET MANAGEMENT UK Plc held 241,101 BIIB shares at 2026-06-30 per its 13F-HR filed 2026-07-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 241,101 shares
    Change vs previous 13F -17,634 shares

    0.56% of the 13F portfolio, value $52,092,282.

    13F-HR 0001539994-26-000053 filed by AEGON ASSET MANAGEMENT UK Plc
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 258,735 shares
    Change vs previous 13F -1,427 shares

    0.63% of the 13F portfolio, value $47,418,363.

    13F-HR 0001539994-26-000024 filed by AEGON ASSET MANAGEMENT UK Plc
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 260,162 shares
    Change vs previous 13F +64,527 shares

    0.54% of the 13F portfolio, value $45,785,910.

    13F-HR 0001539994-26-000003 filed by AEGON ASSET MANAGEMENT UK Plc
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 195,635 shares
    Change vs previous 13F not available

    0.32% of the 13F portfolio, value $27,398,682.

    13F-HR 0001539994-25-000019 filed by AEGON ASSET MANAGEMENT UK Plc
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).