Skip to content
Disclosery

FIRST MANHATTAN CO. LLC.: AON position timeline

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

FIRST MANHATTAN CO. LLC. held 21,562 AON shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 21,562 shares
    Change vs previous 13F -1,509 shares

    0.02% of the 13F portfolio, value $7,151,900.

    13F-HR 0000728083-26-000007 filed by FIRST MANHATTAN CO. 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 23,071 shares
    Change vs previous 13F -2,385 shares

    0.02% of the 13F portfolio, value $7,446,857.

    13F-HR 0000728083-26-000005 filed by FIRST MANHATTAN CO. 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 25,456 shares
    Change vs previous 13F -1,326 shares

    0.02% of the 13F portfolio, value $8,982,913.

    13F-HR 0000728083-26-000002 filed by FIRST MANHATTAN CO. 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 26,782 shares
    Change vs previous 13F -1,560 shares

    0.03% of the 13F portfolio, value $9,549,926.

    13F-HR 0000728083-25-000015 filed by FIRST MANHATTAN CO. 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 28,342 shares
    Change vs previous 13F -239 shares

    0.03% of the 13F portfolio, value $10,111,292.

    13F-HR 0000728083-25-000010 filed by FIRST MANHATTAN CO. 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 28,581 shares
    Change vs previous 13F -391 shares

    0.03% of the 13F portfolio, value $11,406,391.

    13F-HR 0001750312-25-000007 filed by FIRST MANHATTAN CO. 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 28,972 shares
    Change vs previous 13F -50 shares

    0.03% of the 13F portfolio, value $10,405,584.

    13F-HR 0000728083-25-000003 filed by FIRST MANHATTAN CO. 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 29,022 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $10,041,322.

    13F-HR 0001172661-24-004939 filed by FIRST MANHATTAN CO. LLC.
    Filed (acceptance time not in the bulk data set), ingested

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