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Disclosery

Electron Capital Partners, LLC: MTZ position timeline

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

Electron Capital Partners, LLC held 620,190 MTZ shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 620,190 shares
    Change vs previous 13F -92,823 shares

    10.3% of the 13F portfolio, value $258,036,252.

    13F-HR 0001012975-26-000779 filed by Electron Capital Partners, LLC
    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 713,013 shares
    Change vs previous 13F -91,290 shares

    10.78% of the 13F portfolio, value $229,404,803.

    13F-HR 0001012975-26-000446 filed by Electron Capital Partners, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-12-31
    13F/A 804,303 shares
    Change vs previous 13F -14,788 shares

    8.12% of the 13F portfolio, value $174,831,343.

    13F-HR/A 0001012975-26-000183 filed by Electron Capital Partners, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 819,091 shares
    Change vs previous 13F +71,758 shares

    7.9% of the 13F portfolio, value $174,310,755.

    13F-HR 0001012975-25-000783 filed by Electron Capital Partners, LLC
    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 747,333 shares
    Change vs previous 13F +14,504 shares

    6.81% of the 13F portfolio, value $127,367,963.

    13F-HR 0001012975-25-000448 filed by Electron Capital Partners, LLC
    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 732,829 shares
    Change vs previous 13F -304,080 shares

    6.13% of the 13F portfolio, value $85,528,473.

    13F-HR 0001012975-25-000246 filed by Electron Capital Partners, LLC
    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 1,036,909 shares
    Change vs previous 13F -229,660 shares

    8.15% of the 13F portfolio, value $141,164,791.

    13F-HR 0001012975-25-000098 filed by Electron Capital Partners, LLC
    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 1,266,569 shares
    Change vs previous 13F not available

    7.5% of the 13F portfolio, value $155,914,644.

    13F-HR 0001012975-24-000478 filed by Electron Capital Partners, LLC
    Filed (acceptance time not in the bulk data set), ingested

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