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Calamos Advisors LLC: MXF position timeline

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

Calamos Advisors LLC held 15,752 MXF 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 15,752 shares
    Change vs previous 13F -5,547 shares

    <0.01% of the 13F portfolio, value $344,496.

    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 21,299 shares
    Change vs previous 13F +2,535 shares

    <0.01% of the 13F portfolio, value $445,788.

    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 18,764 shares
    Change vs previous 13F +4,563 shares

    <0.01% of the 13F portfolio, value $377,907.

    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 14,201 shares
    Change vs previous 13F +2,535 shares

    <0.01% of the 13F portfolio, value $279,760.

    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 11,666 shares
    Change vs previous 13F -1,014 shares

    <0.01% of the 13F portfolio, value $204,972.

    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 12,680 shares
    Change vs previous 13F -507 shares

    <0.01% of the 13F portfolio, value $180,436.

    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 13,187 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $174,068.

    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).