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Disclosery

Calamos Advisors LLC: BST position timeline

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

Calamos Advisors LLC held 7,314 BST 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 7,314 shares
    Change vs previous 13F +7,314 shares

    <0.01% of the 13F portfolio, value $370,893.

    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 ended2025-09-30
    13F 0 shares
    Change vs previous 13F -8,586 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.

  3. period ended2025-06-30
    13F 8,586 shares
    Change vs previous 13F +94 shares

    <0.01% of the 13F portfolio, value $327,728.

    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).

  4. period ended2025-03-31
    13F 8,492 shares
    Change vs previous 13F -1,624 shares

    <0.01% of the 13F portfolio, value $280,151.

    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).

  5. period ended2024-12-31
    13F 10,116 shares
    Change vs previous 13F +3,683 shares

    <0.01% of the 13F portfolio, value $369,841.

    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).

  6. period ended2024-09-30
    13F 6,433 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $227,986.

    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).