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CARDEROCK CAPITAL MANAGEMENT INC: BRK-B position timeline

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

CARDEROCK CAPITAL MANAGEMENT INC held 1,200 BRK-B 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 1,200 shares
    Change vs previous 13F -300 shares

    0.13% of the 13F portfolio, value $600,468.

    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 1,500 shares
    Change vs previous 13F +715 shares

    0.18% of the 13F portfolio, value $718,800.

    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 785 shares
    Change vs previous 13F 0 shares

    0.1% of the 13F portfolio, value $394,580.

    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 785 shares
    Change vs previous 13F 0 shares

    0.1% of the 13F portfolio, value $394,651.

    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 785 shares
    Change vs previous 13F +105 shares

    0.1% of the 13F portfolio, value $381,329.

    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 680 shares
    Change vs previous 13F -165 shares

    0.1% of the 13F portfolio, value $362,154.

    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 845 shares
    Change vs previous 13F -5 shares

    0.1% of the 13F portfolio, value $383,022.

    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 850 shares
    Change vs previous 13F not available

    0.09% of the 13F portfolio, value $391,221.

    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).