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AMERICAN CENTURY COMPANIES INC: CMCSA position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of AMERICAN CENTURY COMPANIES INC on CMCSA, newest first. How the timeline and the estimate are built.

AMERICAN CENTURY COMPANIES INC held 6,227,549 CMCSA shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 6,227,549 shares
    Change vs previous 13F +2,152,830 shares

    0.07% of the 13F portfolio, value $152,886,353.

    13F-HR 0000748054-26-000005 filed by AMERICAN CENTURY COMPANIES 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 4,074,719 shares
    Change vs previous 13F +1,636,527 shares

    0.06% of the 13F portfolio, value $116,985,182.

    13F-HR 0000748054-26-000002 filed by AMERICAN CENTURY COMPANIES 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 2,438,192 shares
    Change vs previous 13F -1,699,288 shares

    0.04% of the 13F portfolio, value $72,877,632.

    13F-HR 0000748054-26-000001 filed by AMERICAN CENTURY COMPANIES 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 4,137,480 shares
    Change vs previous 13F -1,343,661 shares

    0.07% of the 13F portfolio, value $129,999,709.

    13F-HR 0000748054-25-000009 filed by AMERICAN CENTURY COMPANIES 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 5,481,141 shares
    Change vs previous 13F +741,725 shares

    0.11% of the 13F portfolio, value $195,622,013.

    13F-HR 0001085146-25-004910 filed by AMERICAN CENTURY COMPANIES 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 4,739,416 shares
    Change vs previous 13F +608,202 shares

    0.11% of the 13F portfolio, value $174,884,496.

    13F-HR 0001085146-25-003039 filed by AMERICAN CENTURY COMPANIES 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 4,131,214 shares
    Change vs previous 13F +738,130 shares

    0.09% of the 13F portfolio, value $155,044,470.

    13F-HR 0001085146-25-000985 filed by AMERICAN CENTURY COMPANIES 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 3,393,084 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $141,729,127.

    13F-HR 0001085146-24-005525 filed by AMERICAN CENTURY COMPANIES INC
    Filed (acceptance time not in the bulk data set), ingested

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