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Disclosery

Columbia Asset Management: GSK position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Columbia Asset Management on GSK, newest first. How the timeline and the estimate are built.

Columbia Asset Management held 5,337 GSK shares at 2026-06-30 per its 13F-HR filed 2026-07-21.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 5,337 shares
    Change vs previous 13F +4 shares

    0.05% of the 13F portfolio, value $279,784.

    13F-HR 0002085853-26-000792 filed by Columbia Asset Management
    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 5,333 shares
    Change vs previous 13F +5 shares

    0.06% of the 13F portfolio, value $294,327.

    13F-HR 0002085853-26-000430 filed by Columbia Asset Management
    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 5,328 shares
    Change vs previous 13F -795 shares

    0.05% of the 13F portfolio, value $261,305.

    13F-HR 0002085853-26-000122 filed by Columbia Asset Management
    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 6,123 shares
    Change vs previous 13F +606 shares

    0.05% of the 13F portfolio, value $264,276.

    13F-HR 0002085853-25-000221 filed by Columbia Asset Management
    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 5,517 shares
    Change vs previous 13F -894 shares

    0.04% of the 13F portfolio, value $211,864.

    13F-HR 0001667731-25-000872 filed by Columbia Asset Management
    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 6,411 shares
    Change vs previous 13F -474 shares

    0.05% of the 13F portfolio, value $248,365.

    13F-HR 0001667731-25-000412 filed by Columbia Asset Management
    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 6,885 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $232,861.

    13F-HR 0001667731-25-000251 filed by Columbia Asset Management
    Filed (acceptance time not in the bulk data set), ingested

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