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FRONTIER CAPITAL MANAGEMENT CO LLC: MTZ position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of FRONTIER CAPITAL MANAGEMENT CO LLC on MTZ, newest first. How the timeline and the estimate are built.

FRONTIER CAPITAL MANAGEMENT CO LLC held 0 MTZ shares at 2025-12-31 per its 13F-HR filed 2026-02-17.

the latest 13F is the newest step

  1. period ended2025-12-31
    13F 0 shares
    Change vs previous 13F -53,702 shares

    13F-HR 0001172661-26-000845 filed by FRONTIER CAPITAL MANAGEMENT CO LLC
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-09-30
    13F 53,702 shares
    Change vs previous 13F -29,959 shares

    0.1% of the 13F portfolio, value $11,428,346.

    13F-HR 0001172661-25-004908 filed by FRONTIER CAPITAL MANAGEMENT CO LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-06-30
    13F 83,661 shares
    Change vs previous 13F -29,915 shares

    0.13% of the 13F portfolio, value $14,258,400.

    13F-HR 0001172661-25-003311 filed by FRONTIER CAPITAL MANAGEMENT CO LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-03-31
    13F 113,576 shares
    Change vs previous 13F -40,793 shares

    0.14% of the 13F portfolio, value $13,255,421.

    13F-HR 0001172661-25-002022 filed by FRONTIER CAPITAL MANAGEMENT CO LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2024-12-31
    13F 154,369 shares
    Change vs previous 13F -23,606 shares

    0.2% of the 13F portfolio, value $21,015,798.

    13F-HR 0001172661-25-001009 filed by FRONTIER CAPITAL MANAGEMENT CO LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-09-30
    13F 177,975 shares
    Change vs previous 13F not available

    0.21% of the 13F portfolio, value $21,908,779.

    13F-HR 0001172661-24-004972 filed by FRONTIER CAPITAL MANAGEMENT CO LLC
    Filed (acceptance time not in the bulk data set), ingested

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