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CHECK CAPITAL MANAGEMENT INC/CA: MKL position timeline

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

CHECK CAPITAL MANAGEMENT INC/CA held 79,209 MKL 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 79,209 shares
    Change vs previous 13F +2,323 shares

    8.75% of the 13F portfolio, value $154,696,297.

    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 76,886 shares
    Change vs previous 13F -427 shares

    9.07% of the 13F portfolio, value $147,165,508.

    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 77,313 shares
    Change vs previous 13F -232 shares

    9.94% of the 13F portfolio, value $166,196,252.

    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 77,545 shares
    Change vs previous 13F -235 shares

    9.39% of the 13F portfolio, value $148,216,732.

    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 77,780 shares
    Change vs previous 13F -1,306 shares

    10.24% of the 13F portfolio, value $155,354,996.

    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 79,086 shares
    Change vs previous 13F +1,921 shares

    9.61% of the 13F portfolio, value $147,860,291.

    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 77,165 shares
    Change vs previous 13F -188 shares

    8.82% of the 13F portfolio, value $133,204,831.

    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 77,353 shares
    Change vs previous 13F not available

    8.64% of the 13F portfolio, value $121,334,637.

    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).