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GW&K Investment Management, LLC: GBCI position timeline

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

GW&K Investment Management, LLC held 1,348,072 GBCI 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 1,348,072 shares
    Change vs previous 13F -61,029 shares

    0.54% of the 13F portfolio, value $69,534,000.

    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 1,409,101 shares
    Change vs previous 13F +76,640 shares

    0.55% of the 13F portfolio, value $62,945,000.

    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 1,332,461 shares
    Change vs previous 13F +181,903 shares

    0.51% of the 13F portfolio, value $58,695,000.

    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 1,150,558 shares
    Change vs previous 13F -94,709 shares

    0.5% of the 13F portfolio, value $55,998,000.

    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 1,245,267 shares
    Change vs previous 13F +70,722 shares

    0.48% of the 13F portfolio, value $53,646,000.

    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 1,174,545 shares
    Change vs previous 13F -14,207 shares

    0.48% of the 13F portfolio, value $51,938,000.

    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 1,188,752 shares
    Change vs previous 13F -151,990 shares

    0.51% of the 13F portfolio, value $59,699,000.

    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 1,340,742 shares
    Change vs previous 13F not available

    0.52% of the 13F portfolio, value $61,272,000.

    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).