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GW&K Investment Management, LLC: SEI position timeline

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

GW&K Investment Management, LLC held 1,038,119 SEI 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 1,038,119 shares
    Change vs previous 13F -23,554 shares

    0.65% of the 13F portfolio, value $83,527,000.

    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 1,061,673 shares
    Change vs previous 13F -20,785 shares

    0.53% of the 13F portfolio, value $59,995,000.

    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 1,082,458 shares
    Change vs previous 13F -95,372 shares

    0.43% of the 13F portfolio, value $49,761,000.

    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 1,177,830 shares
    Change vs previous 13F +130,975 shares

    0.42% of the 13F portfolio, value $47,078,000.

    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 1,046,855 shares
    Change vs previous 13F +613,185 shares

    0.27% of the 13F portfolio, value $29,615,000.

    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 433,670 shares
    Change vs previous 13F +254,320 shares

    0.09% of the 13F portfolio, value $9,437,000.

    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 179,350 shares
    Change vs previous 13F -12,860 shares

    0.04% of the 13F portfolio, value $5,162,000.

    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 192,210 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $2,453,000.

    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).