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Calamos Advisors LLC: OPTU position timeline

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

Calamos Advisors LLC held 82,405 OPTU 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 82,405 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $119,487.

    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 82,405 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $107,127.

    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 82,405 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $135,968.

    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 82,405 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $198,596.

    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 82,405 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $176,347.

    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 82,405 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $219,197.

    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 82,405 shares
    Change vs previous 13F 0 shares

    <0.01% of the 13F portfolio, value $198,596.

    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 82,405 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $202,716.

    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).