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Broad Run Investment Management, LLC: AON position timeline

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

Broad Run Investment Management, LLC held 100,650 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 100,650 shares
    Change vs previous 13F -507 shares

    5.14% of the 13F portfolio, value $33,384,599.

    13F-HR 0001568621-26-000009 filed by Broad Run Investment Management, 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 101,157 shares
    Change vs previous 13F -5,410 shares

    5.75% of the 13F portfolio, value $32,651,456.

    13F-HR 0001568621-26-000005 filed by Broad Run Investment Management, 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 106,567 shares
    Change vs previous 13F -50 shares

    6.98% of the 13F portfolio, value $37,605,363.

    13F-HR 0001568621-26-000003 filed by Broad Run Investment Management, 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 106,617 shares
    Change vs previous 13F -6,620 shares

    6.22% of the 13F portfolio, value $38,017,490.

    13F-HR 0001568621-25-000014 filed by Broad Run Investment Management, 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 113,237 shares
    Change vs previous 13F -3,848 shares

    6.19% of the 13F portfolio, value $40,398,432.

    13F-HR 0001568621-25-000010 filed by Broad Run Investment Management, 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 117,085 shares
    Change vs previous 13F -44,091 shares

    7.8% of the 13F portfolio, value $46,727,453.

    13F-HR 0001568621-25-000007 filed by Broad Run Investment Management, 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 161,176 shares
    Change vs previous 13F -8,450 shares

    7.86% of the 13F portfolio, value $57,887,972.

    13F-HR 0001568621-25-000002 filed by Broad Run Investment Management, 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 169,626 shares
    Change vs previous 13F not available

    7.08% of the 13F portfolio, value $58,688,900.

    13F-HR 0001568621-24-000014 filed by Broad Run Investment Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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