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Calamos Advisors LLC: CBOE position timeline

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

Calamos Advisors LLC held 83,302 CBOE 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 83,302 shares
    Change vs previous 13F +81,698 shares

    0.07% of the 13F portfolio, value $20,214,896.

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

    • Calamos Advisors LLC: 83,302 shares
    • Calamos Wealth Management LLC: 0 shares

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

  2. period ended2026-03-31
    13F 1,604 shares
    Change vs previous 13F -83,862 shares

    <0.01% of the 13F portfolio, value $450,836.

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

    • Calamos Advisors LLC: 802 shares
    • Calamos Wealth Management LLC: 802 shares

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

  3. period ended2025-12-31
    13F 85,466 shares
    Change vs previous 13F -2,639 shares

    0.08% of the 13F portfolio, value $21,451,966.

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

    • Calamos Advisors LLC: 84,667 shares
    • Calamos Wealth Management LLC: 799 shares

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

  4. period ended2025-09-30
    13F 88,105 shares
    Change vs previous 13F 0 shares

    0.09% of the 13F portfolio, value $21,607,751.

    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 88,105 shares
    Change vs previous 13F 0 shares

    0.09% of the 13F portfolio, value $20,546,967.

    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 88,105 shares
    Change vs previous 13F +981 shares

    0.09% of the 13F portfolio, value $19,937,280.

    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 87,124 shares
    Change vs previous 13F 0 shares

    0.08% of the 13F portfolio, value $17,024,030.

    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 87,124 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $17,849,094.

    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).