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Calamos Advisors LLC: XEFRX position timeline

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

Calamos Advisors LLC held 50,010 XEFRX 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 50,010 shares
    Change vs previous 13F -27,017 shares

    <0.01% of the 13F portfolio, value $530,106.

    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 77,027 shares
    Change vs previous 13F +9,170 shares

    <0.01% of the 13F portfolio, value $811,865.

    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 67,857 shares
    Change vs previous 13F +16,506 shares

    <0.01% of the 13F portfolio, value $755,927.

    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 51,351 shares
    Change vs previous 13F +25,320 shares

    <0.01% of the 13F portfolio, value $587,455.

    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 26,031 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $315,496.

    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).