Skip to content
Disclosery

Artisan Partners Limited Partnership: AON position timeline

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

Artisan Partners Limited Partnership held 1,850,623 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 1,850,623 shares
    Change vs previous 13F +206,471 shares

    1% of the 13F portfolio, value $613,833,143.

    13F-HR 0001193125-26-349319 filed by Artisan Partners Limited Partnership
    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 1,644,152 shares
    Change vs previous 13F +526,724 shares

    0.87% of the 13F portfolio, value $530,699,383.

    13F-HR 0001193125-26-220594 filed by Artisan Partners Limited Partnership
    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 1,117,428 shares
    Change vs previous 13F -149,342 shares

    0.6% of the 13F portfolio, value $394,317,993.

    13F-HR 0001193125-26-052992 filed by Artisan Partners Limited Partnership
    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 1,266,770 shares
    Change vs previous 13F -909,275 shares

    0.65% of the 13F portfolio, value $451,704,847.

    13F-HR 0001193125-25-275718 filed by Artisan Partners Limited Partnership
    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 2,176,045 shares
    Change vs previous 13F +40,213 shares

    1.16% of the 13F portfolio, value $776,325,814.

    13F-HR 0000950123-25-007551 filed by Artisan Partners Limited Partnership
    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 2,135,832 shares
    Change vs previous 13F +68,281 shares

    1.38% of the 13F portfolio, value $852,389,193.

    13F-HR 0000950123-25-005057 filed by Artisan Partners Limited Partnership
    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 2,067,551 shares
    Change vs previous 13F +960,204 shares

    1.14% of the 13F portfolio, value $742,581,617.

    13F-HR 0000950123-25-001671 filed by Artisan Partners Limited Partnership
    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 1,107,347 shares
    Change vs previous 13F not available

    0.57% of the 13F portfolio, value $383,130,989.

    13F-HR 0000950123-24-010870 filed by Artisan Partners Limited Partnership
    Filed (acceptance time not in the bulk data set), ingested

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