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AMERICAN CENTURY COMPANIES INC: ATKR position timeline

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

AMERICAN CENTURY COMPANIES INC held 1,775,158 ATKR 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 1,775,158 shares
    Change vs previous 13F +336,042 shares

    0.06% of the 13F portfolio, value $134,983,030.

    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 1,439,116 shares
    Change vs previous 13F +185,567 shares

    0.04% of the 13F portfolio, value $84,778,335.

    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 1,253,549 shares
    Change vs previous 13F +95,446 shares

    0.04% of the 13F portfolio, value $79,286,985.

    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 1,158,103 shares
    Change vs previous 13F +144,844 shares

    0.04% of the 13F portfolio, value $72,659,391.

    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 1,013,259 shares
    Change vs previous 13F +172,754 shares

    0.04% of the 13F portfolio, value $71,485,430.

    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 840,505 shares
    Change vs previous 13F +56,692 shares

    0.03% of the 13F portfolio, value $50,421,899.

    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 783,813 shares
    Change vs previous 13F -193,070 shares

    0.04% of the 13F portfolio, value $65,409,195.

    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 976,883 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $82,781,134.

    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).