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GW&K Investment Management, LLC: BLK position timeline

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

GW&K Investment Management, LLC held 38,216 BLK 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 38,216 shares
    Change vs previous 13F -620 shares

    0.29% of the 13F portfolio, value $36,747,000.

    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 38,836 shares
    Change vs previous 13F -640 shares

    0.33% of the 13F portfolio, value $37,349,000.

    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 39,476 shares
    Change vs previous 13F -269 shares

    0.37% of the 13F portfolio, value $42,253,000.

    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 39,745 shares
    Change vs previous 13F -579 shares

    0.41% of the 13F portfolio, value $46,338,000.

    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 40,324 shares
    Change vs previous 13F -781 shares

    0.38% of the 13F portfolio, value $42,310,000.

    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 41,105 shares
    Change vs previous 13F -3,267 shares

    0.36% of the 13F portfolio, value $38,905,000.

    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 44,372 shares
    Change vs previous 13F not available

    0.39% of the 13F portfolio, value $45,486,000.

    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).