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Markel Group Inc.: AON position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Markel Group Inc. on AON, newest first. How the timeline and the estimate are built.

Markel Group Inc. held 135,800 AON shares at 2026-06-30 per its 13F-HR filed 2026-07-31.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 135,800 shares
    Change vs previous 13F 0 shares

    0.34% of the 13F portfolio, value $45,043,503.

    13F-HR 0001096343-26-000065 filed by Markel Group 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 135,800 shares
    Change vs previous 13F +1,750 shares

    0.37% of the 13F portfolio, value $43,833,524.

    13F-HR 0001096343-26-000044 filed by Markel Group 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 134,050 shares
    Change vs previous 13F +4,250 shares

    0.38% of the 13F portfolio, value $47,303,564.

    13F-HR 0001096343-26-000011 filed by Markel Group 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 129,800 shares
    Change vs previous 13F 0 shares

    0.38% of the 13F portfolio, value $46,284,084.

    13F-HR 0001628280-25-047842 filed by Markel Group 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 129,800 shares
    Change vs previous 13F +350 shares

    0.39% of the 13F portfolio, value $46,307,448.

    13F-HR 0001096343-25-000124 filed by Markel Group 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 129,450 shares
    Change vs previous 13F +3,250 shares

    0.46% of the 13F portfolio, value $51,662,202.

    13F-HR 0001096343-25-000062 filed by Markel Group 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 126,200 shares
    Change vs previous 13F +6,050 shares

    0.4% of the 13F portfolio, value $45,325,992.

    13F-HR 0001096343-25-000011 filed by Markel Group 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 120,150 shares
    Change vs previous 13F not available

    0.37% of the 13F portfolio, value $41,570,700.

    13F-HR 0001096343-24-000124 filed by Markel Group Inc.
    Filed (acceptance time not in the bulk data set), ingested

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