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Disclosery

American Alpha Advisors, LLC: CMCSA position timeline

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

American Alpha Advisors, LLC held 14,970 CMCSA shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 14,970 shares
    Change vs previous 13F -1,016 shares

    0.22% of the 13F portfolio, value $367,514.

    13F-HR 0002041441-26-000004 filed by American Alpha Advisors, LLC
    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 15,986 shares
    Change vs previous 13F +15,986 shares

    0.27% of the 13F portfolio, value $458,958.

    13F-HR 0002041441-26-000003 filed by American Alpha Advisors, LLC
    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/A 0 shares
    Change vs previous 13F -12,803 shares

    13F-HR/A 0002041441-26-000002 filed by American Alpha Advisors, LLC
    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.

  4. period ended2025-09-30
    13F 12,803 shares
    Change vs previous 13F +286 shares

    0.29% of the 13F portfolio, value $402,270.

    13F-HR 0002041441-25-000007 filed by American Alpha Advisors, LLC
    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 12,517 shares
    Change vs previous 13F +974 shares

    0.36% of the 13F portfolio, value $446,732.

    13F-HR 0002041441-25-000006 filed by American Alpha Advisors, LLC
    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 11,543 shares
    Change vs previous 13F not available

    0.38% of the 13F portfolio, value $425,937.

    13F-HR 0002041441-25-000002 filed by American Alpha Advisors, LLC
    Filed (acceptance time not in the bulk data set), ingested

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