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AMERICAN CENTURY COMPANIES INC: CSTM position timeline

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

AMERICAN CENTURY COMPANIES INC held 4,220,743 CSTM 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 4,220,743 shares
    Change vs previous 13F +2,135,264 shares

    0.06% of the 13F portfolio, value $134,515,143.

    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 2,085,479 shares
    Change vs previous 13F +274,135 shares

    0.03% of the 13F portfolio, value $51,261,074.

    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 1,811,344 shares
    Change vs previous 13F +639,496 shares

    0.02% of the 13F portfolio, value $34,143,834.

    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 1,171,848 shares
    Change vs previous 13F +428,247 shares

    0.01% of the 13F portfolio, value $17,437,098.

    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 743,601 shares
    Change vs previous 13F +519,869 shares

    0.01% of the 13F portfolio, value $9,889,893.

    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 223,732 shares
    Change vs previous 13F -2,716 shares

    <0.01% of the 13F portfolio, value $2,257,456.

    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 226,448 shares
    Change vs previous 13F +90,319 shares

    <0.01% of the 13F portfolio, value $2,325,621.

    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 136,129 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $2,213,458.

    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).