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George Kaiser Family Foundation: COST position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of George Kaiser Family Foundation on COST, newest first. How the timeline and the estimate are built.

George Kaiser Family Foundation held 791 COST 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 791 shares
    Change vs previous 13F +371 shares

    0.07% of the 13F portfolio, value $739,957.

    13F-HR 0001140361-26-032433 filed by George Kaiser Family Foundation
    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 420 shares
    Change vs previous 13F 0 shares

    0.05% of the 13F portfolio, value $418,501.

    13F-HR 0001140361-26-021109 filed by George Kaiser Family Foundation
    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 420 shares
    Change vs previous 13F 0 shares

    0.05% of the 13F portfolio, value $362,183.

    13F-HR 0001140361-26-004584 filed by George Kaiser Family Foundation
    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 420 shares
    Change vs previous 13F 0 shares

    0.05% of the 13F portfolio, value $388,765.

    13F-HR 0001140361-25-041634 filed by George Kaiser Family Foundation
    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 420 shares
    Change vs previous 13F +129 shares

    0.06% of the 13F portfolio, value $415,775.

    13F-HR 0001140361-25-031079 filed by George Kaiser Family Foundation
    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 291 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $275,222.

    13F-HR 0001140361-25-018703 filed by George Kaiser Family Foundation
    Filed (acceptance time not in the bulk data set), ingested

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