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Disclosery

Cohen Klingenstein LLC: AON position timeline

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

Cohen Klingenstein LLC held 5,000 AON shares at 2026-06-30 per its 13F-HR filed 2026-07-15.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 5,000 shares
    Change vs previous 13F 0 shares

    0.05% of the 13F portfolio, value $1,658,450.

    13F-HR 0001453620-26-000012 filed by Cohen Klingenstein LLC
    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 5,000 shares
    Change vs previous 13F 0 shares

    0.05% of the 13F portfolio, value $1,613,900.

    13F-HR 0001453620-26-000010 filed by Cohen Klingenstein LLC
    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 5,000 shares
    Change vs previous 13F 0 shares

    0.05% of the 13F portfolio, value $1,764,400.

    13F-HR 0001453620-26-000003 filed by Cohen Klingenstein LLC
    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 5,000 shares
    Change vs previous 13F 0 shares

    0.06% of the 13F portfolio, value $1,782,900.

    13F-HR 0001453620-25-000014 filed by Cohen Klingenstein LLC
    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 5,000 shares
    Change vs previous 13F 0 shares

    0.06% of the 13F portfolio, value $1,783,800.

    13F-HR 0001453620-25-000008 filed by Cohen Klingenstein LLC
    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 5,000 shares
    Change vs previous 13F 0 shares

    0.07% of the 13F portfolio, value $1,995,450.

    13F-HR 0001453620-25-000006 filed by Cohen Klingenstein LLC
    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 5,000 shares
    Change vs previous 13F 0 shares

    0.06% of the 13F portfolio, value $1,795,800.

    13F-HR 0001453620-25-000004 filed by Cohen Klingenstein LLC
    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 5,000 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $1,729,950.

    13F-HR 0001453620-24-000013 filed by Cohen Klingenstein LLC
    Filed (acceptance time not in the bulk data set), ingested

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