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Calamos Advisors LLC: GD position timeline

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

Calamos Advisors LLC held 43,299 GD 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 43,299 shares
    Change vs previous 13F -1,932 shares

    0.05% of the 13F portfolio, value $15,338,238.

    13F-HR 0001316507-26-000003 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 41,812 shares
    • Calamos Wealth Management LLC: 1,487 shares

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

  2. period ended2026-03-31
    13F 45,231 shares
    Change vs previous 13F +2,642 shares

    0.05% of the 13F portfolio, value $15,524,185.

    13F-HR 0001316507-26-000002 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 43,910 shares
    • Calamos Wealth Management LLC: 1,321 shares

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

  3. period ended2025-12-31
    13F 42,589 shares
    Change vs previous 13F -1,730 shares

    0.06% of the 13F portfolio, value $14,338,013.

    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 44,319 shares
    Change vs previous 13F 0 shares

    0.06% of the 13F portfolio, value $15,112,779.

    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 44,319 shares
    Change vs previous 13F 0 shares

    0.06% of the 13F portfolio, value $12,926,080.

    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).

  6. period ended2025-03-31
    13F 44,319 shares
    Change vs previous 13F +494 shares

    0.06% of the 13F portfolio, value $12,080,473.

    13F-HR 0001085146-25-002415 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).

  7. period ended2024-12-31
    13F 43,825 shares
    Change vs previous 13F -10,500 shares

    0.05% of the 13F portfolio, value $11,547,449.

    13F-HR 0001085146-25-000482 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).

  8. period ended2024-09-30
    13F 54,325 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $16,417,015.

    13F-HR 0001085146-24-005402 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).