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GW&K Investment Management, LLC: MZTI position timeline

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

GW&K Investment Management, LLC held 207,122 MZTI shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 207,122 shares
    Change vs previous 13F -21,761 shares

    0.18% of the 13F portfolio, value $23,645,000.

    13F-HR 0001082917-26-000003 filed by GW&K Investment Management, 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 228,883 shares
    Change vs previous 13F -9,122 shares

    0.28% of the 13F portfolio, value $31,662,000.

    13F-HR 0001082917-26-000002 filed by GW&K Investment Management, 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 238,005 shares
    Change vs previous 13F -14,453 shares

    0.34% of the 13F portfolio, value $39,133,000.

    13F-HR 0001082917-26-000001 filed by GW&K Investment Management, 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 252,458 shares
    Change vs previous 13F -84,447 shares

    0.39% of the 13F portfolio, value $43,623,000.

    13F-HR 0001082917-25-000007 filed by GW&K Investment Management, 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 336,905 shares
    Change vs previous 13F +70,693 shares

    0.52% of the 13F portfolio, value $58,208,000.

    13F-HR 0001082917-25-000004 filed by GW&K Investment Management, 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 266,212 shares
    Change vs previous 13F -946 shares

    0.43% of the 13F portfolio, value $46,587,000.

    13F-HR 0001082917-25-000003 filed by GW&K Investment Management, 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 267,158 shares
    Change vs previous 13F +2,642 shares

    0.39% of the 13F portfolio, value $46,256,000.

    13F-HR 0001082917-25-000001 filed by GW&K Investment Management, 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 264,516 shares
    Change vs previous 13F not available

    0.4% of the 13F portfolio, value $46,706,000.

    13F-HR 0001082917-24-000006 filed by GW&K Investment Management, LLC
    Filed (acceptance time not in the bulk data set), ingested

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