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Calamos Advisors LLC: GGN position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Calamos Advisors LLC on GGN, newest first. How the timeline and the estimate are built.

Calamos Advisors LLC held 146,278 GGN shares at 2026-06-30 per its 13F-HR filed 2026-07-31.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 146,278 shares
    Change vs previous 13F +9,753 shares

    <0.01% of the 13F portfolio, value $707,986.

    13F-HR 0001316507-26-000003 filed by Calamos Advisors 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 136,525 shares
    Change vs previous 13F +51,121 shares

    <0.01% of the 13F portfolio, value $726,313.

    13F-HR 0001316507-26-000002 filed by Calamos Advisors 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 85,404 shares
    Change vs previous 13F +20,772 shares

    <0.01% of the 13F portfolio, value $440,685.

    13F-HR 0001316507-26-000001 filed by Calamos Advisors 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 64,632 shares
    Change vs previous 13F +29,066 shares

    <0.01% of the 13F portfolio, value $333,178.

    13F-HR 0001316507-25-000003 filed by Calamos Advisors 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 35,566 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $156,135.

    13F-HR 0001085146-25-004696 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).