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Calamos Advisors LLC: PWR position timeline

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

Calamos Advisors LLC held 115,661 PWR 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 115,661 shares
    Change vs previous 13F +2,798 shares

    0.27% of the 13F portfolio, value $83,280,546.

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

    • Calamos Advisors LLC: 111,284 shares
    • Calamos Wealth Management LLC: 4,377 shares

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

  2. period ended2026-03-31
    13F 112,863 shares
    Change vs previous 13F +5,035 shares

    0.22% of the 13F portfolio, value $61,964,044.

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

    • Calamos Advisors LLC: 108,501 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 107,828 shares
    Change vs previous 13F -1,106 shares

    0.17% of the 13F portfolio, value $45,509,886.

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

    • Calamos Advisors LLC: 103,112 shares
    • Calamos Wealth Management LLC: 4,716 shares

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

  4. period ended2025-09-30
    13F 108,934 shares
    Change vs previous 13F +15,406 shares

    0.16% of the 13F portfolio, value $45,144,428.

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

    • Calamos Advisors LLC: 105,401 shares
    • Calamos Wealth Management LLC: 3,533 shares

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

  5. period ended2025-06-30
    13F 93,528 shares
    Change vs previous 13F +28,224 shares

    0.14% of the 13F portfolio, value $35,361,066.

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

    • Calamos Advisors LLC: 90,013 shares
    • Calamos Wealth Management LLC: 3,515 shares

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

  6. period ended2025-03-31
    13F 65,304 shares
    Change vs previous 13F +467 shares

    0.07% of the 13F portfolio, value $16,598,970.

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

    • Calamos Advisors LLC: 61,886 shares
    • Calamos Wealth Management LLC: 3,418 shares

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

  7. period ended2024-12-31
    13F 64,837 shares
    Change vs previous 13F 0 shares

    0.09% of the 13F portfolio, value $20,491,734.

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

    • Calamos Advisors LLC: 61,210 shares
    • Calamos Wealth Management LLC: 3,627 shares

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

  8. period ended2024-09-30
    13F 64,837 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $19,331,151.

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

    • Calamos Advisors LLC: 61,223 shares
    • Calamos Wealth Management LLC: 3,614 shares

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