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AMERICAN CENTURY COMPANIES INC: MTG position timeline

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

AMERICAN CENTURY COMPANIES INC held 7,201,461 MTG 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 7,201,461 shares
    Change vs previous 13F +1,280,600 shares

    0.09% of the 13F portfolio, value $203,081,200.

    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 5,920,861 shares
    Change vs previous 13F +1,376,114 shares

    0.08% of the 13F portfolio, value $155,422,601.

    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 4,544,747 shares
    Change vs previous 13F +1,463,428 shares

    0.07% of the 13F portfolio, value $132,797,508.

    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 3,081,319 shares
    Change vs previous 13F +41,766 shares

    0.04% of the 13F portfolio, value $87,417,020.

    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 3,039,553 shares
    Change vs previous 13F +25,371 shares

    0.05% of the 13F portfolio, value $84,621,155.

    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 3,014,182 shares
    Change vs previous 13F -20,327 shares

    0.05% of the 13F portfolio, value $74,691,430.

    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 3,034,509 shares
    Change vs previous 13F -22,564 shares

    0.04% of the 13F portfolio, value $71,948,208.

    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 3,057,073 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $78,261,069.

    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).