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Disclosery

Calamos Advisors LLC: NBB position timeline

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

Calamos Advisors LLC held 20,226 NBB 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 20,226 shares
    Change vs previous 13F +1,347 shares

    <0.01% of the 13F portfolio, value $319,166.

    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 18,879 shares
    Change vs previous 13F +18,879 shares

    <0.01% of the 13F portfolio, value $295,645.

    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 ended2025-06-30
    13F 0 shares
    Change vs previous 13F -31,935 shares

    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).

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

  4. period ended2025-03-31
    13F 31,935 shares
    Change vs previous 13F -1,277 shares

    <0.01% of the 13F portfolio, value $511,599.

    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 33,212 shares
    Change vs previous 13F +6,385 shares

    <0.01% of the 13F portfolio, value $497,516.

    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 26,827 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $445,596.

    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).