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CARDEROCK CAPITAL MANAGEMENT INC: AON position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of CARDEROCK CAPITAL MANAGEMENT INC on AON, newest first. How the timeline and the estimate are built.

CARDEROCK CAPITAL MANAGEMENT INC held 23,559 AON shares at 2026-06-30 per its 13F-HR filed 2026-07-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 23,559 shares
    Change vs previous 13F +1,973 shares

    1.71% of the 13F portfolio, value $7,814,285.

    13F-HR 0001941040-26-000409 filed by CARDEROCK CAPITAL 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 21,586 shares
    Change vs previous 13F -852 shares

    1.72% of the 13F portfolio, value $6,967,529.

    13F-HR 0001941040-26-000214 filed by CARDEROCK CAPITAL 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 22,438 shares
    Change vs previous 13F +797 shares

    1.92% of the 13F portfolio, value $7,917,921.

    13F-HR 0001941040-26-000007 filed by CARDEROCK CAPITAL 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 21,641 shares
    Change vs previous 13F +1,396 shares

    1.88% of the 13F portfolio, value $7,716,748.

    13F-HR 0001168889-25-000007 filed by CARDEROCK CAPITAL 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 20,245 shares
    Change vs previous 13F +694 shares

    1.85% of the 13F portfolio, value $7,222,606.

    13F-HR 0001168889-25-000004 filed by CARDEROCK CAPITAL 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 19,551 shares
    Change vs previous 13F +1,054 shares

    2.07% of the 13F portfolio, value $7,802,609.

    13F-HR 0001168889-25-000003 filed by CARDEROCK CAPITAL MANAGEMENT INC
    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 18,497 shares
    Change vs previous 13F +970 shares

    1.67% of the 13F portfolio, value $6,643,383.

    13F-HR 0001168889-25-000001 filed by CARDEROCK CAPITAL MANAGEMENT INC
    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 17,527 shares
    Change vs previous 13F not available

    1.43% of the 13F portfolio, value $6,064,167.

    13F-HR 0001168889-24-000005 filed by CARDEROCK CAPITAL MANAGEMENT INC
    Filed (acceptance time not in the bulk data set), ingested

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