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Disclosery

AMG National Trust Bank: CMCSA position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of AMG National Trust Bank on CMCSA, newest first. How the timeline and the estimate are built.

AMG National Trust Bank held 73,769 CMCSA shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 73,769 shares
    Change vs previous 13F -83,536 shares

    0.04% of the 13F portfolio, value $1,811,028.

    13F-HR 0001388829-26-000004 filed by AMG National Trust Bank
    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 157,305 shares
    Change vs previous 13F -7,945 shares

    0.1% of the 13F portfolio, value $4,516,225.

    13F-HR 0001388829-26-000002 filed by AMG National Trust Bank
    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 165,250 shares
    Change vs previous 13F -31,959 shares

    0.12% of the 13F portfolio, value $4,939,325.

    13F-HR 0001388829-26-000001 filed by AMG National Trust Bank
    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 197,209 shares
    Change vs previous 13F -2,609 shares

    0.15% of the 13F portfolio, value $6,196,307.

    13F-HR 0001388829-25-000005 filed by AMG National Trust Bank
    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 199,818 shares
    Change vs previous 13F +99,323 shares

    0.19% of the 13F portfolio, value $7,131,507.

    13F-HR 0001085146-25-004480 filed by AMG National Trust Bank
    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 100,495 shares
    Change vs previous 13F -1,549 shares

    0.1% of the 13F portfolio, value $3,708,265.

    13F-HR 0001085146-25-002594 filed by AMG National Trust Bank
    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 102,044 shares
    Change vs previous 13F -5,806 shares

    0.11% of the 13F portfolio, value $3,817,191.

    13F-HR 0001085146-25-000866 filed by AMG National Trust Bank
    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 107,850 shares
    Change vs previous 13F not available

    0.12% of the 13F portfolio, value $4,504,895.

    13F-HR 0001085146-24-005401 filed by AMG National Trust Bank
    Filed (acceptance time not in the bulk data set), ingested

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