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AMERICAN CENTURY COMPANIES INC: STM position timeline

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

AMERICAN CENTURY COMPANIES INC held 763,952 STM 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 763,952 shares
    Change vs previous 13F +464,788 shares

    0.03% of the 13F portfolio, value $57,212,365.

    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 299,164 shares
    Change vs previous 13F -53,260 shares

    0.01% of the 13F portfolio, value $10,336,116.

    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 352,424 shares
    Change vs previous 13F -28,921 shares

    <0.01% of the 13F portfolio, value $9,141,879.

    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 381,345 shares
    Change vs previous 13F +12,902 shares

    0.01% of the 13F portfolio, value $10,776,810.

    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 368,443 shares
    Change vs previous 13F -168,874 shares

    0.01% of the 13F portfolio, value $11,204,352.

    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 537,317 shares
    Change vs previous 13F +18,906 shares

    0.01% of the 13F portfolio, value $11,799,481.

    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 518,411 shares
    Change vs previous 13F +21,983 shares

    0.01% of the 13F portfolio, value $12,944,723.

    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 496,428 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $14,758,804.

    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).