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AMERICAN CENTURY COMPANIES INC: MU position timeline

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

AMERICAN CENTURY COMPANIES INC held 2,121,016 MU 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 2,121,016 shares
    Change vs previous 13F +481,577 shares

    1.08% of the 13F portfolio, value $2,448,268,694.

    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 1,639,439 shares
    Change vs previous 13F +149,477 shares

    0.29% of the 13F portfolio, value $553,868,252.

    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 1,489,962 shares
    Change vs previous 13F +189,232 shares

    0.21% of the 13F portfolio, value $425,250,628.

    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 1,300,730 shares
    Change vs previous 13F +496,942 shares

    0.11% of the 13F portfolio, value $217,638,464.

    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 803,788 shares
    Change vs previous 13F +571,209 shares

    0.05% of the 13F portfolio, value $99,067,087.

    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 232,579 shares
    Change vs previous 13F +16,925 shares

    0.01% of the 13F portfolio, value $20,208,918.

    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 215,654 shares
    Change vs previous 13F -927,740 shares

    0.01% of the 13F portfolio, value $18,149,515.

    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 1,143,394 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $118,581,486.

    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).