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Calamos Advisors LLC: GM position timeline

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

Calamos Advisors LLC held 519,468 GM 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 519,468 shares
    Change vs previous 13F -8,529 shares

    0.13% of the 13F portfolio, value $40,040,593.

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

    • Calamos Advisors LLC: 515,105 shares
    • Calamos Wealth Management LLC: 4,363 shares

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

  2. period ended2026-03-31
    13F 527,997 shares
    Change vs previous 13F +4,610 shares

    0.14% of the 13F portfolio, value $39,335,778.

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

    • Calamos Advisors LLC: 524,076 shares
    • Calamos Wealth Management LLC: 3,921 shares

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

  3. period ended2025-12-31
    13F 523,387 shares
    Change vs previous 13F -8,004 shares

    0.16% of the 13F portfolio, value $42,561,831.

    13F-HR 0001316507-26-000001 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 520,155 shares
    • Calamos Wealth Management LLC: 3,232 shares

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

  4. period ended2025-09-30
    13F 531,391 shares
    Change vs previous 13F 0 shares

    0.13% of the 13F portfolio, value $32,398,909.

    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 531,391 shares
    Change vs previous 13F 0 shares

    0.11% of the 13F portfolio, value $26,149,751.

    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 531,391 shares
    Change vs previous 13F +3,207 shares

    0.12% of the 13F portfolio, value $24,991,319.

    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 528,184 shares
    Change vs previous 13F 0 shares

    0.13% of the 13F portfolio, value $28,136,362.

    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 528,184 shares
    Change vs previous 13F not available

    0.11% of the 13F portfolio, value $23,683,771.

    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).