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Disclosery

Graham Holdings Co: BRK-B position timeline

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

Graham Holdings Co held 481,920 BRK-B shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 481,920 shares
    Change vs previous 13F 0 shares

    22.26% of the 13F portfolio, value $241,148,000.

    13F-HR 0001628280-26-057130 filed by Graham Holdings Co
    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 481,920 shares
    Change vs previous 13F 0 shares

    23.89% of the 13F portfolio, value $230,936,000.

    13F-HR 0001628280-26-035583 filed by Graham Holdings Co
    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 481,920 shares
    Change vs previous 13F 0 shares

    22.39% of the 13F portfolio, value $242,237,000.

    13F-HR 0001628280-26-008119 filed by Graham Holdings Co
    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 481,920 shares
    Change vs previous 13F -1,025 shares

    24.26% of the 13F portfolio, value $242,280,000.

    13F-HR 0001628280-25-052369 filed by Graham Holdings Co
    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 482,945 shares
    Change vs previous 13F 0 shares

    26.37% of the 13F portfolio, value $234,600,000.

    13F-HR 0000104889-25-000066 filed by Graham Holdings Co
    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 482,945 shares
    Change vs previous 13F 0 shares

    28.54% of the 13F portfolio, value $257,207,000.

    13F-HR 0000104889-25-000041 filed by Graham Holdings Co
    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 482,945 shares
    Change vs previous 13F 0 shares

    25.68% of the 13F portfolio, value $218,909,000.

    13F-HR 0000104889-25-000016 filed by Graham Holdings Co
    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 482,945 shares
    Change vs previous 13F not available

    26.93% of the 13F portfolio, value $222,280,000.

    13F-HR 0000104889-24-000073 filed by Graham Holdings Co
    Filed (acceptance time not in the bulk data set), ingested

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