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Disclosery

First Dallas Securities Inc.: MTZ position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of First Dallas Securities Inc. on MTZ, newest first. How the timeline and the estimate are built.

First Dallas Securities Inc. held 5,310 MTZ shares at 2026-06-30 per its 13F-HR filed 2026-08-03.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 5,310 shares
    Change vs previous 13F -2,190 shares

    0.73% of the 13F portfolio, value $2,209,279.

    13F-HR 0001378559-26-000005 filed by First Dallas Securities 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 7,500 shares
    Change vs previous 13F -850 shares

    0.89% of the 13F portfolio, value $2,413,050.

    13F-HR 0001378559-26-000004 filed by First Dallas Securities 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 8,350 shares
    Change vs previous 13F +200 shares

    0.68% of the 13F portfolio, value $1,815,039.

    13F-HR 0001378559-26-000001 filed by First Dallas Securities 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 8,150 shares
    Change vs previous 13F -200 shares

    0.65% of the 13F portfolio, value $1,734,401.

    13F-HR 0001378559-25-000006 filed by First Dallas Securities 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 8,350 shares
    Change vs previous 13F -500 shares

    0.56% of the 13F portfolio, value $1,423,090.

    13F-HR 0001337263-25-000006 filed by First Dallas Securities 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 8,850 shares
    Change vs previous 13F +1,250 shares

    0.43% of the 13F portfolio, value $1,033,000.

    13F-HR 0001378559-25-000001 filed by First Dallas Securities 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 7,600 shares
    Change vs previous 13F +3,850 shares

    0.42% of the 13F portfolio, value $1,035,000.

    13F-HR 0001337263-25-000002 filed by First Dallas Securities 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 3,750 shares
    Change vs previous 13F not available

    0.19% of the 13F portfolio, value $461,625.

    13F-HR 0001337263-24-000010 filed by First Dallas Securities Inc.
    Filed (acceptance time not in the bulk data set), ingested

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