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T. Rowe Price Investment Management, Inc.: AON position timeline

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

T. Rowe Price Investment Management, Inc. held 9,756 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 9,756 shares
    Change vs previous 13F -385 shares

    <0.01% of the 13F portfolio, value $3,236,000.

    13F-HR 0001897612-26-000578 filed by T. Rowe Price Investment Management, 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 10,141 shares
    Change vs previous 13F +2,172 shares

    <0.01% of the 13F portfolio, value $3,274,000.

    13F-HR 0001897612-26-000460 filed by T. Rowe Price Investment Management, 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/A 7,969 shares
    Change vs previous 13F +4,201 shares

    <0.01% of the 13F portfolio, value $2,813,000.

    13F-HR/A 0001897612-26-000299 filed by T. Rowe Price Investment Management, 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 3,768 shares
    Change vs previous 13F -284,147 shares

    <0.01% of the 13F portfolio, value $1,344,000.

    13F-HR 0001897612-25-000511 filed by T. Rowe Price Investment Management, 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 287,915 shares
    Change vs previous 13F +3,504 shares

    0.06% of the 13F portfolio, value $102,717,000.

    13F-HR 0000080255-25-000548 filed by T. Rowe Price Investment Management, 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 284,411 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $113,506,000.

    13F-HR 0000080255-25-000283 filed by T. Rowe Price Investment Management, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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