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AMERICAN CENTURY COMPANIES INC: MAT position timeline

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

AMERICAN CENTURY COMPANIES INC held 554,626 MAT 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 554,626 shares
    Change vs previous 13F -35,844 shares

    <0.01% of the 13F portfolio, value $7,698,209.

    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 590,470 shares
    Change vs previous 13F -519,455 shares

    <0.01% of the 13F portfolio, value $8,579,529.

    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 1,109,925 shares
    Change vs previous 13F -38,045 shares

    0.01% of the 13F portfolio, value $22,020,912.

    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 1,147,970 shares
    Change vs previous 13F -118,022 shares

    0.01% of the 13F portfolio, value $19,320,335.

    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 1,265,992 shares
    Change vs previous 13F +238,736 shares

    0.01% of the 13F portfolio, value $24,965,362.

    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 1,027,256 shares
    Change vs previous 13F +221,336 shares

    0.01% of the 13F portfolio, value $19,959,584.

    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 805,920 shares
    Change vs previous 13F -334,866 shares

    0.01% of the 13F portfolio, value $14,288,962.

    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 1,140,786 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $21,731,973.

    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).