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DIMENSIONAL FUND ADVISORS LP: MEC position timeline

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

DIMENSIONAL FUND ADVISORS LP held 782,276 MEC 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 782,276 shares
    Change vs previous 13F -143,940 shares

    0.01% of the 13F portfolio, value $29,304,240.

    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 926,216 shares
    Change vs previous 13F +49,041 shares

    <0.01% of the 13F portfolio, value $16,624,513.

    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 877,175 shares
    Change vs previous 13F +30,052 shares

    <0.01% of the 13F portfolio, value $16,421,661.

    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 847,123 shares
    Change vs previous 13F +33,089 shares

    <0.01% of the 13F portfolio, value $11,656,247.

    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 814,034 shares
    Change vs previous 13F +41,466 shares

    <0.01% of the 13F portfolio, value $12,992,327.

    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 772,568 shares
    Change vs previous 13F +67,909 shares

    <0.01% of the 13F portfolio, value $10,375,738.

    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 704,659 shares
    Change vs previous 13F +85,086 shares

    <0.01% of the 13F portfolio, value $11,077,150.

    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 619,573 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $13,061,168.

    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).