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Calamos Advisors LLC: IWM position timeline

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

Calamos Advisors LLC held 89,903 IWM 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 89,903 shares
    Change vs previous 13F -3,386 shares

    0.09% of the 13F portfolio, value $27,011,356.

    13F-HR 0001316507-26-000003 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 84,565 shares
    • Calamos Wealth Management LLC: 5,338 shares

    Acceptance time not in the bulk data set (spec §4.2).

  2. period ended2026-03-31
    13F 93,289 shares
    Change vs previous 13F +4,529 shares

    0.08% of the 13F portfolio, value $23,135,672.

    13F-HR 0001316507-26-000002 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 88,927 shares
    • Calamos Wealth Management LLC: 4,362 shares

    Acceptance time not in the bulk data set (spec §4.2).

  3. period ended2025-12-31
    13F 88,760 shares
    Change vs previous 13F +84,382 shares

    0.08% of the 13F portfolio, value $21,849,161.

    13F-HR 0001316507-26-000001 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 84,565 shares
    • Calamos Wealth Management LLC: 4,195 shares

    Acceptance time not in the bulk data set (spec §4.2).

  4. period ended2025-09-30
    13F 4,378 shares
    Change vs previous 13F -140,352 shares

    0.04% of the 13F portfolio, value $1,059,301.

    13F-HR 0001455258-25-000002 filed by Calamos Wealth Management LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 0 shares
    • Calamos Wealth Management LLC: 4,378 shares

    Acceptance time not in the bulk data set (spec §4.2).

  5. period ended2025-06-30
    13F 144,730 shares
    Change vs previous 13F -4,706 shares

    0.12% of the 13F portfolio, value $31,231,287.

    13F-HR 0001085146-25-004696 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 139,315 shares
    • Calamos Wealth Management LLC: 5,415 shares

    Acceptance time not in the bulk data set (spec §4.2).

  6. period ended2025-03-31
    13F 149,436 shares
    Change vs previous 13F +1,341 shares

    0.13% of the 13F portfolio, value $29,810,987.

    13F-HR 0001085146-25-002415 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 140,615 shares
    • Calamos Wealth Management LLC: 8,821 shares

    Acceptance time not in the bulk data set (spec §4.2).

  7. period ended2024-12-31
    13F 148,095 shares
    Change vs previous 13F +139,326 shares

    0.14% of the 13F portfolio, value $32,723,071.

    13F-HR 0001085146-25-000482 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 139,315 shares
    • Calamos Wealth Management LLC: 8,780 shares

    Acceptance time not in the bulk data set (spec §4.2).

  8. period ended2024-09-30
    13F 8,769 shares
    Change vs previous 13F not available

    0.1% of the 13F portfolio, value $1,936,984.

    13F-HR 0001085146-24-005497 filed by Calamos Wealth Management LLC
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).