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Disclosery

BlackRock, Inc.: AON position timeline

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

BlackRock, Inc. held 15,716,429 AON shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 15,716,429 shares
    Change vs previous 13F -432,078 shares

    0.08% of the 13F portfolio, value $5,212,982,529.

    13F-HR 0002012383-26-003238 filed by BlackRock, 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 16,148,507 shares
    Change vs previous 13F -88,427 shares

    0.09% of the 13F portfolio, value $5,212,414,954.

    13F-HR 0002012383-26-001841 filed by BlackRock, 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 16,236,934 shares
    Change vs previous 13F +390,348 shares

    0.1% of the 13F portfolio, value $5,729,689,450.

    13F-HR 0002012383-26-000920 filed by BlackRock, 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 15,846,586 shares
    Change vs previous 13F -84,174 shares

    0.1% of the 13F portfolio, value $5,650,575,693.

    13F-HR 0002012383-25-002949 filed by BlackRock, 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 15,930,760 shares
    Change vs previous 13F +831,475 shares

    0.11% of the 13F portfolio, value $5,683,458,025.

    13F-HR 0001060021-25-000120 filed by BlackRock, 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 15,099,285 shares
    Change vs previous 13F +340,424 shares

    0.13% of the 13F portfolio, value $6,025,973,629.

    13F-HR 0001576419-25-000869 filed by BlackRock, 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 14,758,861 shares
    Change vs previous 13F +501,175 shares

    0.11% of the 13F portfolio, value $5,300,792,376.

    13F-HR 0001060021-25-000002 filed by BlackRock, 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 14,257,686 shares
    Change vs previous 13F not available

    0.1% of the 13F portfolio, value $4,933,016,726.

    13F-HR 0001426459-24-000006 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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