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GW&K Investment Management, LLC: MRK position timeline

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

GW&K Investment Management, LLC held 9,792 MRK 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 9,792 shares
    Change vs previous 13F -875 shares

    0.01% of the 13F portfolio, value $1,258,000.

    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 10,667 shares
    Change vs previous 13F -284,664 shares

    0.01% of the 13F portfolio, value $1,283,000.

    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 295,331 shares
    Change vs previous 13F +12,221 shares

    0.27% of the 13F portfolio, value $31,087,000.

    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 283,110 shares
    Change vs previous 13F -17,170 shares

    0.21% of the 13F portfolio, value $23,761,000.

    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 300,280 shares
    Change vs previous 13F -4,321 shares

    0.21% of the 13F portfolio, value $23,770,000.

    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 304,601 shares
    Change vs previous 13F +62,041 shares

    0.25% of the 13F portfolio, value $27,341,000.

    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 242,560 shares
    Change vs previous 13F -40,333 shares

    0.21% of the 13F portfolio, value $24,130,000.

    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 282,893 shares
    Change vs previous 13F not available

    0.27% of the 13F portfolio, value $32,125,000.

    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).