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Disclosery

Dodge & Cox: AON position timeline

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

Dodge & Cox held 8,593,144 AON shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 8,593,144 shares
    Change vs previous 13F +477,049 shares

    1.49% of the 13F portfolio, value $2,850,259,933.

    13F-HR 0001193125-26-349535 filed by Dodge & Cox
    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 8,116,095 shares
    Change vs previous 13F +263,639 shares

    1.44% of the 13F portfolio, value $2,619,713,144.

    13F-HR 0001193125-26-223352 filed by Dodge & Cox
    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 7,852,456 shares
    Change vs previous 13F +4,387,773 shares

    1.5% of the 13F portfolio, value $2,770,974,673.

    13F-HR 0001193125-26-050636 filed by Dodge & Cox
    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 3,464,683 shares
    Change vs previous 13F not available

    0.67% of the 13F portfolio, value $1,235,436,664.

    13F-HR 0001193125-25-280187 filed by Dodge & Cox
    Filed (acceptance time not in the bulk data set), ingested

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