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CHECK CAPITAL MANAGEMENT INC/CA: AMZN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of CHECK CAPITAL MANAGEMENT INC/CA on AMZN, newest first. How the timeline and the estimate are built.

CHECK CAPITAL MANAGEMENT INC/CA held 206,057 AMZN shares at 2026-06-30 per its 13F-HR/A filed 2026-08-05.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F/A 206,057 shares
    Change vs previous 13F +1,970 shares

    2.78% of the 13F portfolio, value $49,111,526.

    13F-HR/A 0001032814-26-000006 filed by CHECK CAPITAL MANAGEMENT INC/CA
    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 204,087 shares
    Change vs previous 13F +200,606 shares

    2.62% of the 13F portfolio, value $42,505,113.

    13F-HR 0001032814-26-000004 filed by CHECK CAPITAL MANAGEMENT INC/CA
    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 3,481 shares
    Change vs previous 13F +338 shares

    0.05% of the 13F portfolio, value $803,522.

    13F-HR 0001032814-26-000001 filed by CHECK CAPITAL MANAGEMENT INC/CA
    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 3,143 shares
    Change vs previous 13F 0 shares

    0.04% of the 13F portfolio, value $690,144.

    13F-HR 0001032814-25-000007 filed by CHECK CAPITAL MANAGEMENT INC/CA
    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 3,143 shares
    Change vs previous 13F +200 shares

    0.05% of the 13F portfolio, value $689,578.

    13F-HR 0001032814-25-000005 filed by CHECK CAPITAL MANAGEMENT INC/CA
    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 2,943 shares
    Change vs previous 13F +40 shares

    0.04% of the 13F portfolio, value $559,966.

    13F-HR 0001032814-25-000003 filed by CHECK CAPITAL MANAGEMENT INC/CA
    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 2,903 shares
    Change vs previous 13F 0 shares

    0.04% of the 13F portfolio, value $636,924.

    13F-HR 0001032814-25-000002 filed by CHECK CAPITAL MANAGEMENT INC/CA
    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 2,903 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $540,946.

    13F-HR 0001032814-24-000011 filed by CHECK CAPITAL MANAGEMENT INC/CA
    Filed (acceptance time not in the bulk data set), ingested

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