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AMERICAN CENTURY COMPANIES INC: ON position timeline

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

AMERICAN CENTURY COMPANIES INC held 1,669,293 ON 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 1,669,293 shares
    Change vs previous 13F -113,257 shares

    0.07% of the 13F portfolio, value $157,814,960.

    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 1,782,550 shares
    Change vs previous 13F +226,839 shares

    0.06% of the 13F portfolio, value $110,375,496.

    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 1,555,711 shares
    Change vs previous 13F +788,838 shares

    0.04% of the 13F portfolio, value $84,241,751.

    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 766,873 shares
    Change vs previous 13F +425,095 shares

    0.02% of the 13F portfolio, value $37,814,508.

    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 341,778 shares
    Change vs previous 13F +81,249 shares

    0.01% of the 13F portfolio, value $17,912,585.

    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 260,529 shares
    Change vs previous 13F -1,875,514 shares

    0.01% of the 13F portfolio, value $10,600,925.

    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 2,136,043 shares
    Change vs previous 13F +1,027,518 shares

    0.08% of the 13F portfolio, value $134,677,532.

    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 1,108,525 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $80,490,032.

    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).