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AMERICAN CENTURY COMPANIES INC: ATO position timeline

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

AMERICAN CENTURY COMPANIES INC held 998,021 ATO 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 998,021 shares
    Change vs previous 13F -4,437 shares

    0.08% of the 13F portfolio, value $171,929,120.

    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 1,002,458 shares
    Change vs previous 13F -37,543 shares

    0.1% of the 13F portfolio, value $185,174,087.

    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 1,040,001 shares
    Change vs previous 13F -198,546 shares

    0.09% of the 13F portfolio, value $174,335,496.

    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 1,238,547 shares
    Change vs previous 13F -108,624 shares

    0.11% of the 13F portfolio, value $211,482,024.

    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 1,347,171 shares
    Change vs previous 13F -117,647 shares

    0.11% of the 13F portfolio, value $207,612,630.

    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 1,464,818 shares
    Change vs previous 13F -276,380 shares

    0.14% of the 13F portfolio, value $226,431,669.

    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 1,741,198 shares
    Change vs previous 13F -363,444 shares

    0.14% of the 13F portfolio, value $242,496,722.

    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 2,104,642 shares
    Change vs previous 13F not available

    0.17% of the 13F portfolio, value $291,934,968.

    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).