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AMERICAN CENTURY COMPANIES INC: MDU position timeline

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

AMERICAN CENTURY COMPANIES INC held 448,270 MDU 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 448,270 shares
    Change vs previous 13F +128,659 shares

    <0.01% of the 13F portfolio, value $9,507,807.

    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 319,611 shares
    Change vs previous 13F +137,812 shares

    <0.01% of the 13F portfolio, value $6,622,340.

    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 181,799 shares
    Change vs previous 13F -1,080,143 shares

    <0.01% of the 13F portfolio, value $3,548,716.

    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 1,261,942 shares
    Change vs previous 13F -1,303,594 shares

    0.01% of the 13F portfolio, value $22,475,187.

    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 2,565,536 shares
    Change vs previous 13F -494,711 shares

    0.02% of the 13F portfolio, value $42,767,485.

    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 3,060,247 shares
    Change vs previous 13F -1,260,515 shares

    0.03% of the 13F portfolio, value $51,748,777.

    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 4,320,762 shares
    Change vs previous 13F -822,186 shares

    0.04% of the 13F portfolio, value $77,860,131.

    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 5,142,948 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $140,968,205.

    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).