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Disclosery

Calamos Advisors LLC: ATRC position timeline

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

Calamos Advisors LLC held 0 ATRC shares at 2025-09-30 per its 13F-HR filed 2025-10-20.

the latest 13F is the newest step

  1. period ended2025-09-30
    13F 0 shares
    Change vs previous 13F -12,126 shares

    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).

    Exited: the 13F for this period no longer lists the position.

  2. period ended2025-06-30
    13F 12,126 shares
    Change vs previous 13F -94,506 shares

    <0.01% of the 13F portfolio, value $397,369.

    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).

  3. period ended2025-03-31
    13F 106,632 shares
    Change vs previous 13F -4,039 shares

    0.02% of the 13F portfolio, value $3,439,949.

    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).

  4. period ended2024-12-31
    13F 110,671 shares
    Change vs previous 13F +24,147 shares

    0.02% of the 13F portfolio, value $3,382,106.

    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).

  5. period ended2024-09-30
    13F 86,524 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $2,426,133.

    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).