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DIMENSIONAL FUND ADVISORS LP: MTRN position timeline

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

DIMENSIONAL FUND ADVISORS LP held 577,952 MTRN 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 577,952 shares
    Change vs previous 13F -307,215 shares

    0.03% of the 13F portfolio, value $171,868,217.

    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 885,167 shares
    Change vs previous 13F -105,527 shares

    0.03% of the 13F portfolio, value $128,029,517.

    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 990,694 shares
    Change vs previous 13F -12,258 shares

    0.03% of the 13F portfolio, value $123,166,134.

    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 1,002,952 shares
    Change vs previous 13F -7,538 shares

    0.03% of the 13F portfolio, value $121,162,329.

    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 1,010,490 shares
    Change vs previous 13F -62,962 shares

    0.02% of the 13F portfolio, value $80,205,157.

    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 1,073,452 shares
    Change vs previous 13F -53,585 shares

    0.02% of the 13F portfolio, value $87,594,723.

    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 1,127,037 shares
    Change vs previous 13F -47,462 shares

    0.03% of the 13F portfolio, value $111,443,055.

    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 1,174,499 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $131,380,025.

    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).