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CARDEROCK CAPITAL MANAGEMENT INC: AME position timeline

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

CARDEROCK CAPITAL MANAGEMENT INC held 45,841 AME 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 45,841 shares
    Change vs previous 13F +345 shares

    2.43% of the 13F portfolio, value $11,090,772.

    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 45,496 shares
    Change vs previous 13F +1,707 shares

    2.41% of the 13F portfolio, value $9,752,523.

    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 43,789 shares
    Change vs previous 13F -398 shares

    2.18% of the 13F portfolio, value $8,990,320.

    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 44,187 shares
    Change vs previous 13F +67 shares

    2.02% of the 13F portfolio, value $8,307,156.

    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 44,120 shares
    Change vs previous 13F -615 shares

    2.05% of the 13F portfolio, value $7,983,955.

    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 44,735 shares
    Change vs previous 13F -367 shares

    2.04% of the 13F portfolio, value $7,700,683.

    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 45,102 shares
    Change vs previous 13F -2,596 shares

    2.04% of the 13F portfolio, value $8,130,087.

    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 47,698 shares
    Change vs previous 13F not available

    1.93% of the 13F portfolio, value $8,190,224.

    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).