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AMERICAN CENTURY COMPANIES INC: ATMU position timeline

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

AMERICAN CENTURY COMPANIES INC held 198,836 ATMU 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 198,836 shares
    Change vs previous 13F +37,689 shares

    <0.01% of the 13F portfolio, value $10,138,648.

    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 161,147 shares
    Change vs previous 13F +32,455 shares

    <0.01% of the 13F portfolio, value $9,148,315.

    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 128,692 shares
    Change vs previous 13F +62,105 shares

    <0.01% of the 13F portfolio, value $6,680,402.

    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 66,587 shares
    Change vs previous 13F -484,986 shares

    <0.01% of the 13F portfolio, value $3,002,407.

    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 551,573 shares
    Change vs previous 13F -256,842 shares

    0.01% of the 13F portfolio, value $20,088,288.

    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 808,415 shares
    Change vs previous 13F -447,989 shares

    0.02% of the 13F portfolio, value $29,693,083.

    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 1,256,404 shares
    Change vs previous 13F -364,737 shares

    0.03% of the 13F portfolio, value $49,225,909.

    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 1,621,141 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $60,841,421.

    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).