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AMERICAN CENTURY COMPANIES INC: M position timeline

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

AMERICAN CENTURY COMPANIES INC held 11,030,537 M 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 11,030,537 shares
    Change vs previous 13F -1,112,613 shares

    0.11% of the 13F portfolio, value $259,769,162.

    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 12,143,150 shares
    Change vs previous 13F +1,011,908 shares

    0.11% of the 13F portfolio, value $219,669,611.

    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 11,131,242 shares
    Change vs previous 13F +366,949 shares

    0.12% of the 13F portfolio, value $245,443,943.

    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 10,764,293 shares
    Change vs previous 13F +669,729 shares

    0.1% of the 13F portfolio, value $193,003,822.

    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 10,094,564 shares
    Change vs previous 13F +1,395,030 shares

    0.06% of the 13F portfolio, value $117,702,642.

    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 8,699,534 shares
    Change vs previous 13F +1,562,402 shares

    0.07% of the 13F portfolio, value $109,266,174.

    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 7,137,132 shares
    Change vs previous 13F +774,693 shares

    0.07% of the 13F portfolio, value $120,831,648.

    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 6,362,439 shares
    Change vs previous 13F not available

    0.06% of the 13F portfolio, value $99,826,668.

    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).