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AMERICAN CENTURY COMPANIES INC: MA position timeline

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

AMERICAN CENTURY COMPANIES INC held 4,713,938 MA 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 4,713,938 shares
    Change vs previous 13F -647,756 shares

    1.07% of the 13F portfolio, value $2,421,081,830.

    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 5,361,694 shares
    Change vs previous 13F -139,552 shares

    1.38% of the 13F portfolio, value $2,679,026,937.

    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 5,501,246 shares
    Change vs previous 13F +287,282 shares

    1.58% of the 13F portfolio, value $3,140,554,183.

    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 5,213,964 shares
    Change vs previous 13F +57,798 shares

    1.51% of the 13F portfolio, value $2,965,757,658.

    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 5,156,166 shares
    Change vs previous 13F +130,736 shares

    1.57% of the 13F portfolio, value $2,897,458,801.

    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 5,025,430 shares
    Change vs previous 13F -54,485 shares

    1.69% of the 13F portfolio, value $2,754,538,939.

    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 5,079,915 shares
    Change vs previous 13F +581,697 shares

    1.54% of the 13F portfolio, value $2,674,931,796.

    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 4,498,218 shares
    Change vs previous 13F not available

    1.29% of the 13F portfolio, value $2,221,220,697.

    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).