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Disclosery

Gilbert & Cook, Inc.: BRK-B position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Gilbert & Cook, Inc. on BRK-B, newest first. How the timeline and the estimate are built.

Gilbert & Cook, Inc. held 5,956 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-07-28.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 5,956 shares
    Change vs previous 13F -81 shares

    0.34% of the 13F portfolio, value $2,980,323.

    13F-HR 0001675762-26-000004 filed by Gilbert & Cook, Inc.
    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 6,037 shares
    Change vs previous 13F -199 shares

    0.37% of the 13F portfolio, value $2,892,930.

    13F-HR 0001675762-26-000003 filed by Gilbert & Cook, Inc.
    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 6,236 shares
    Change vs previous 13F -36 shares

    0.39% of the 13F portfolio, value $3,134,525.

    13F-HR 0001675762-26-000001 filed by Gilbert & Cook, Inc.
    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 6,272 shares
    Change vs previous 13F +497 shares

    0.41% of the 13F portfolio, value $3,153,185.

    13F-HR 0001675762-25-000002 filed by Gilbert & Cook, Inc.
    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 5,775 shares
    Change vs previous 13F +27 shares

    0.38% of the 13F portfolio, value $2,805,322.

    13F-HR 0001765380-25-000281 filed by Gilbert & Cook, Inc.
    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 5,748 shares
    Change vs previous 13F -202 shares

    0.44% of the 13F portfolio, value $3,061,270.

    13F-HR 0001765380-25-000172 filed by Gilbert & Cook, Inc.
    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 5,950 shares
    Change vs previous 13F -271 shares

    0.38% of the 13F portfolio, value $2,697,016.

    13F-HR 0001765380-25-000007 filed by Gilbert & Cook, Inc.
    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 6,221 shares
    Change vs previous 13F not available

    0.39% of the 13F portfolio, value $2,863,277.

    13F-HR 0001765380-24-000405 filed by Gilbert & Cook, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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