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Disclosery

Gulf International Bank (UK) Ltd: BIIB position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Gulf International Bank (UK) Ltd on BIIB, newest first. How the timeline and the estimate are built.

Gulf International Bank (UK) Ltd held 11,183 BIIB shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 11,183 shares
    Change vs previous 13F -257 shares

    0.05% of the 13F portfolio, value $2,416,000.

    13F-HR 0001598697-26-000006 filed by Gulf International Bank (UK) Ltd
    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 11,440 shares
    Change vs previous 13F +3,539 shares

    0.05% of the 13F portfolio, value $2,097,000.

    13F-HR 0001598697-26-000004 filed by Gulf International Bank (UK) Ltd
    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 7,901 shares
    Change vs previous 13F -23 shares

    0.05% of the 13F portfolio, value $1,390,000.

    13F-HR 0001598697-26-000002 filed by Gulf International Bank (UK) Ltd
    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 7,924 shares
    Change vs previous 13F 0 shares

    0.04% of the 13F portfolio, value $1,110,000.

    13F-HR 0001598697-25-000009 filed by Gulf International Bank (UK) Ltd
    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 7,924 shares
    Change vs previous 13F 0 shares

    0.04% of the 13F portfolio, value $995,000.

    13F-HR 0001598697-25-000006 filed by Gulf International Bank (UK) Ltd
    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 7,924 shares
    Change vs previous 13F -3,399 shares

    0.04% of the 13F portfolio, value $1,084,000.

    13F-HR 0001598697-25-000004 filed by Gulf International Bank (UK) Ltd
    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 11,323 shares
    Change vs previous 13F -115 shares

    0.04% of the 13F portfolio, value $1,731,000.

    13F-HR 0001598697-25-000002 filed by Gulf International Bank (UK) Ltd
    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 11,438 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $2,217,000.

    13F-HR 0001598697-24-000008 filed by Gulf International Bank (UK) Ltd
    Filed (acceptance time not in the bulk data set), ingested

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