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Calamos Advisors LLC: AMT position timeline

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

Calamos Advisors LLC held 66,276 AMT 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 66,276 shares
    Change vs previous 13F -82,359 shares

    0.04% of the 13F portfolio, value $10,840,765.

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

    • Calamos Advisors LLC: 66,276 shares
    • Calamos Wealth Management LLC: 0 shares

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

  2. period ended2026-03-31
    13F 148,635 shares
    Change vs previous 13F +2,659 shares

    0.09% of the 13F portfolio, value $25,651,429.

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

    • Calamos Advisors LLC: 146,720 shares
    • Calamos Wealth Management LLC: 1,915 shares

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

  3. period ended2025-12-31
    13F 145,976 shares
    Change vs previous 13F -2,493 shares

    0.09% of the 13F portfolio, value $25,629,006.

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

    • Calamos Advisors LLC: 144,149 shares
    • Calamos Wealth Management LLC: 1,827 shares

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

  4. period ended2025-09-30
    13F 148,469 shares
    Change vs previous 13F +266 shares

    0.1% of the 13F portfolio, value $28,553,558.

    13F-HR 0001316507-25-000003 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 146,585 shares
    • Calamos Wealth Management LLC: 1,884 shares

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

  5. period ended2025-06-30
    13F 148,203 shares
    Change vs previous 13F +108 shares

    0.13% of the 13F portfolio, value $32,755,827.

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

    • Calamos Advisors LLC: 146,157 shares
    • Calamos Wealth Management LLC: 2,046 shares

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

  6. period ended2025-03-31
    13F 148,095 shares
    Change vs previous 13F +950 shares

    0.14% of the 13F portfolio, value $32,225,448.

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

    • Calamos Advisors LLC: 146,054 shares
    • Calamos Wealth Management LLC: 2,041 shares

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

  7. period ended2024-12-31
    13F 147,145 shares
    Change vs previous 13F +473 shares

    0.11% of the 13F portfolio, value $26,987,865.

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

    • Calamos Advisors LLC: 144,973 shares
    • Calamos Wealth Management LLC: 2,172 shares

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

  8. period ended2024-09-30
    13F 146,672 shares
    Change vs previous 13F not available

    0.15% of the 13F portfolio, value $34,110,040.

    13F-HR 0001085146-24-005402 filed by Calamos Advisors LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Calamos Advisors LLC: 144,561 shares
    • Calamos Wealth Management LLC: 2,111 shares

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