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DIMENSIONAL FUND ADVISORS LP: MAT position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of DIMENSIONAL FUND ADVISORS LP on MAT, newest first. How the timeline and the estimate are built.

DIMENSIONAL FUND ADVISORS LP held 12,592,950 MAT shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 12,592,950 shares
    Change vs previous 13F +1,540,105 shares

    0.03% of the 13F portfolio, value $174,781,162.

    13F-HR 0000354204-26-000866 filed by DIMENSIONAL FUND ADVISORS LP
    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 11,052,845 shares
    Change vs previous 13F +783,102 shares

    0.03% of the 13F portfolio, value $160,590,629.

    13F-HR 0000354204-26-000581 filed by DIMENSIONAL FUND ADVISORS LP
    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 10,269,743 shares
    Change vs previous 13F +752,146 shares

    0.04% of the 13F portfolio, value $203,754,723.

    13F-HR 0000354204-26-000347 filed by DIMENSIONAL FUND ADVISORS LP
    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 9,517,597 shares
    Change vs previous 13F +401,469 shares

    0.03% of the 13F portfolio, value $160,184,013.

    13F-HR 0000354204-25-001337 filed by DIMENSIONAL FUND ADVISORS LP
    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 9,116,128 shares
    Change vs previous 13F +1,026,291 shares

    0.04% of the 13F portfolio, value $179,775,601.

    13F-HR 0000354204-25-001097 filed by DIMENSIONAL FUND ADVISORS LP
    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 8,089,837 shares
    Change vs previous 13F +1,416,542 shares

    0.04% of the 13F portfolio, value $157,179,114.

    13F-HR 0000354204-25-000866 filed by DIMENSIONAL FUND ADVISORS LP
    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 6,673,295 shares
    Change vs previous 13F +453,390 shares

    0.03% of the 13F portfolio, value $118,317,567.

    13F-HR 0000354204-25-000528 filed by DIMENSIONAL FUND ADVISORS LP
    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 6,219,905 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $118,488,184.

    13F-HR 0000354204-24-004773 filed by DIMENSIONAL FUND ADVISORS LP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).