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Disclosery

Calamos Advisors LLC: MPWR position timeline

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

Calamos Advisors LLC held 3,122 MPWR 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 3,122 shares
    Change vs previous 13F -1,643 shares

    0.02% of the 13F portfolio, value $4,315,728.

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

    • Calamos Advisors LLC: 3,122 shares
    • Calamos Wealth Management LLC: 0 shares

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

  2. period ended2026-03-31
    13F 4,765 shares
    Change vs previous 13F +1,395 shares

    0.02% of the 13F portfolio, value $5,209,813.

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

    • Calamos Advisors LLC: 4,368 shares
    • Calamos Wealth Management LLC: 397 shares

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

  3. period ended2025-12-31
    13F 3,370 shares
    Change vs previous 13F -288 shares

    0.01% of the 13F portfolio, value $3,054,433.

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

    • Calamos Advisors LLC: 2,890 shares
    • Calamos Wealth Management LLC: 480 shares

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

  4. period ended2025-09-30
    13F 3,658 shares
    Change vs previous 13F +885 shares

    0.01% of the 13F portfolio, value $3,367,701.

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

    • Calamos Advisors LLC: 3,116 shares
    • Calamos Wealth Management LLC: 542 shares

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

  5. period ended2025-06-30
    13F 2,773 shares
    Change vs previous 13F +2,773 shares

    0.01% of the 13F portfolio, value $2,028,117.

    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).

  6. period ended2024-12-31
    13F 0 shares
    Change vs previous 13F -317 shares

    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).

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

  7. period ended2024-09-30
    13F 317 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $293,067.

    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).