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Capital World Investors: AON position timeline

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

Capital World Investors held 11,711,650 AON shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 11,711,650 shares
    Change vs previous 13F +233,862 shares

    0.46% of the 13F portfolio, value $3,884,630,624.

    13F-HR 0001422849-26-000113 filed by Capital World Investors
    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 11,477,788 shares
    Change vs previous 13F -775,116 shares

    0.51% of the 13F portfolio, value $3,704,816,237.

    13F-HR 0001422849-26-000046 filed by Capital World Investors
    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 12,252,904 shares
    Change vs previous 13F +176,207 shares

    0.59% of the 13F portfolio, value $4,323,850,187.

    13F-HR 0001422849-26-000010 filed by Capital World Investors
    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 12,076,697 shares
    Change vs previous 13F -67,540 shares

    0.59% of the 13F portfolio, value $4,306,285,230.

    13F-HR 0001422849-25-000069 filed by Capital World Investors
    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 12,144,237 shares
    Change vs previous 13F +46,660 shares

    0.63% of the 13F portfolio, value $4,332,531,115.

    13F-HR 0001422848-25-000151 filed by Capital World Investors
    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 12,097,577 shares
    Change vs previous 13F +320 shares

    0.78% of the 13F portfolio, value $4,827,970,224.

    13F-HR 0000732812-25-000016 filed by Capital World Investors
    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 12,097,257 shares
    Change vs previous 13F +28,409 shares

    0.66% of the 13F portfolio, value $4,344,837,719.

    13F-HR 0001422848-25-000012 filed by Capital World Investors
    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 12,068,848 shares
    Change vs previous 13F not available

    0.65% of the 13F portfolio, value $4,175,719,110.

    13F-HR 0000017283-24-000032 filed by Capital World Investors
    Filed (acceptance time not in the bulk data set), ingested

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