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Tandem Investment Advisors, Inc.: CMCSA position timeline

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

Tandem Investment Advisors, Inc. held 0 CMCSA shares at 2025-12-31 per its 13F-HR filed 2026-02-09.

the latest 13F is the newest step

  1. period ended2025-12-31
    13F 0 shares
    Change vs previous 13F -2,377,476 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-09-30
    13F 2,377,476 shares
    Change vs previous 13F -8,436 shares

    2.55% of the 13F portfolio, value $74,700,000.

    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).

  3. period ended2025-06-30
    13F 2,385,912 shares
    Change vs previous 13F +89,642 shares

    2.98% of the 13F portfolio, value $85,153,000.

    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).

  4. period ended2025-03-31
    13F 2,296,270 shares
    Change vs previous 13F +6,949 shares

    2.96% of the 13F portfolio, value $84,732,000.

    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).

  5. period ended2024-12-31
    13F 2,289,321 shares
    Change vs previous 13F +2,852 shares

    3.25% of the 13F portfolio, value $85,918,000.

    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).

  6. period ended2024-09-30
    13F 2,286,469 shares
    Change vs previous 13F not available

    3.62% of the 13F portfolio, value $95,506,000.

    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).