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Welch & Forbes LLC: MZTI position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Welch & Forbes LLC on MZTI, newest first. How the timeline and the estimate are built.

Welch & Forbes LLC held 72,115 MZTI shares at 2026-06-30 per its 13F-HR filed 2026-07-30.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 72,115 shares
    Change vs previous 13F -308 shares

    0.1% of the 13F portfolio, value $8,232,650.

    13F-HR 0000105495-26-000003 filed by Welch & Forbes 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 72,423 shares
    Change vs previous 13F -120 shares

    0.13% of the 13F portfolio, value $10,018,288.

    13F-HR 0000105495-26-000002 filed by Welch & Forbes 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 72,543 shares
    Change vs previous 13F -1,808 shares

    0.14% of the 13F portfolio, value $11,927,543.

    13F-HR 0000105495-26-000001 filed by Welch & Forbes 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 74,351 shares
    Change vs previous 13F -2,081 shares

    0.15% of the 13F portfolio, value $12,847,115.

    13F-HR 0000105495-25-000002 filed by Welch & Forbes 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 76,432 shares
    Change vs previous 13F -529 shares

    0.16% of the 13F portfolio, value $13,205,173.

    13F-HR 0001085146-25-004501 filed by Welch & Forbes 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 76,961 shares
    Change vs previous 13F -411 shares

    0.18% of the 13F portfolio, value $13,468,175.

    13F-HR 0001085146-25-002565 filed by Welch & Forbes 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 77,372 shares
    Change vs previous 13F +353 shares

    0.17% of the 13F portfolio, value $13,396,209.

    13F-HR 0001085146-25-000876 filed by Welch & Forbes 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 77,019 shares
    Change vs previous 13F not available

    0.17% of the 13F portfolio, value $13,599,268.

    13F-HR 0001085146-24-005341 filed by Welch & Forbes LLC
    Filed (acceptance time not in the bulk data set), ingested

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