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Disclosery

RHUMBLINE ADVISERS: BIIB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of RHUMBLINE ADVISERS on BIIB, newest first. How the timeline and the estimate are built.

RHUMBLINE ADVISERS held 262,979 BIIB shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 262,979 shares
    Change vs previous 13F -12,459 shares

    0.04% of the 13F portfolio, value $56,819,153.

    13F-HR 0001115418-26-000005 filed by RHUMBLINE ADVISERS
    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 275,438 shares
    Change vs previous 13F +3,692 shares

    0.04% of the 13F portfolio, value $50,495,935.

    13F-HR 0001115418-26-000003 filed by RHUMBLINE ADVISERS
    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 271,746 shares
    Change vs previous 13F -17,460 shares

    0.04% of the 13F portfolio, value $47,824,457.

    13F-HR 0001115418-26-000002 filed by RHUMBLINE ADVISERS
    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 289,206 shares
    Change vs previous 13F -10,941 shares

    0.03% of the 13F portfolio, value $40,511,872.

    13F-HR 0001115418-25-000021 filed by RHUMBLINE ADVISERS
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 300,147 shares
    Change vs previous 13F +3,853 shares

    0.03% of the 13F portfolio, value $37,695,335.

    13F-HR 0001115418-25-000017 filed by RHUMBLINE ADVISERS
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F/A 296,294 shares
    Change vs previous 13F +27,703 shares

    0.04% of the 13F portfolio, value $40,544,763.

    13F-HR/A 0001115418-25-000005 filed by RHUMBLINE ADVISERS
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F/A 268,591 shares
    Change vs previous 13F -5,718 shares

    0.04% of the 13F portfolio, value $41,072,830.

    13F-HR/A 0001115418-25-000006 filed by RHUMBLINE ADVISERS
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 274,309 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $53,171,951.

    13F-HR 0001115418-24-000011 filed by RHUMBLINE ADVISERS
    Filed (acceptance time not in the bulk data set), ingested

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