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Tandem Investment Advisors, Inc.: COST position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Tandem Investment Advisors, Inc. on COST, newest first. How the timeline and the estimate are built.

Tandem Investment Advisors, Inc. held 33,676 COST shares at 2026-06-30 per its 13F-HR filed 2026-07-31.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 33,676 shares
    Change vs previous 13F -9,736 shares

    2.11% of the 13F portfolio, value $31,502,887.

    13F-HR 0001694284-26-000007 filed by Tandem Investment Advisors, 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 43,412 shares
    Change vs previous 13F -7,379 shares

    2.12% of the 13F portfolio, value $43,257,019.

    13F-HR 0001694284-26-000005 filed by Tandem Investment Advisors, 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 50,791 shares
    Change vs previous 13F -1,861 shares

    1.63% of the 13F portfolio, value $43,799,111.

    13F-HR 0001694284-26-000004 filed by Tandem Investment Advisors, 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 52,652 shares
    Change vs previous 13F +9,741 shares

    1.66% of the 13F portfolio, value $48,737,000.

    13F-HR 0001694284-25-000011 filed by Tandem Investment Advisors, 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 42,911 shares
    Change vs previous 13F +62 shares

    1.49% of the 13F portfolio, value $42,479,000.

    13F-HR 0001694284-25-000010 filed by Tandem Investment Advisors, 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 42,849 shares
    Change vs previous 13F +1,921 shares

    1.41% of the 13F portfolio, value $40,526,000.

    13F-HR 0001694284-25-000004 filed by Tandem Investment Advisors, 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 40,928 shares
    Change vs previous 13F -11,327 shares

    1.42% of the 13F portfolio, value $37,501,000.

    13F-HR 0001694284-25-000003 filed by Tandem Investment Advisors, 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 52,255 shares
    Change vs previous 13F not available

    1.76% of the 13F portfolio, value $46,325,000.

    13F-HR 0001694284-24-000008 filed by Tandem Investment Advisors, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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