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AMERICAN CENTURY COMPANIES INC: AOS position timeline

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

AMERICAN CENTURY COMPANIES INC held 4,726,410 AOS 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 4,726,410 shares
    Change vs previous 13F +511,172 shares

    0.13% of the 13F portfolio, value $296,440,549.

    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 4,215,238 shares
    Change vs previous 13F +218,197 shares

    0.14% of the 13F portfolio, value $277,952,894.

    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 3,997,041 shares
    Change vs previous 13F +788,210 shares

    0.13% of the 13F portfolio, value $267,322,221.

    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 3,208,831 shares
    Change vs previous 13F +1,128,543 shares

    0.12% of the 13F portfolio, value $235,560,431.

    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 2,080,288 shares
    Change vs previous 13F +732,041 shares

    0.07% of the 13F portfolio, value $136,404,620.

    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 1,348,247 shares
    Change vs previous 13F +1,225,521 shares

    0.05% of the 13F portfolio, value $88,121,498.

    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 122,726 shares
    Change vs previous 13F +17,442 shares

    <0.01% of the 13F portfolio, value $8,371,166.

    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 105,284 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $9,457,671.

    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).