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GW&K Investment Management, LLC: CSTM position timeline

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

GW&K Investment Management, LLC held 254,026 CSTM 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 254,026 shares
    Change vs previous 13F -3,562 shares

    0.06% of the 13F portfolio, value $8,096,000.

    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 257,588 shares
    Change vs previous 13F -9,543 shares

    0.06% of the 13F portfolio, value $6,332,000.

    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 267,131 shares
    Change vs previous 13F +107,101 shares

    0.04% of the 13F portfolio, value $5,035,000.

    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 160,030 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $2,381,000.

    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).