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COOKSON PEIRCE & CO INC: MPWR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of COOKSON PEIRCE & CO INC on MPWR, newest first. How the timeline and the estimate are built.

COOKSON PEIRCE & CO INC held 29,510 MPWR shares at 2026-06-30 per its 13F-HR filed 2026-07-23.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 29,510 shares
    Change vs previous 13F +36 shares

    1.34% of the 13F portfolio, value $40,793,444.

    13F-HR 0001141455-26-000004 filed by COOKSON PEIRCE & CO INC
    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 29,474 shares
    Change vs previous 13F +8,138 shares

    1.36% of the 13F portfolio, value $32,225,398.

    13F-HR 0001141455-26-000003 filed by COOKSON PEIRCE & CO INC
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-12-31
    13F 21,336 shares
    Change vs previous 13F +20,791 shares

    0.8% of the 13F portfolio, value $19,338,097.

    13F-HR 0001141455-26-000001 filed by COOKSON PEIRCE & CO INC
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 545 shares
    Change vs previous 13F +545 shares

    0.02% of the 13F portfolio, value $501,749.

    13F-HR 0001141455-25-000007 filed by COOKSON PEIRCE & CO INC
    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 0 shares
    Change vs previous 13F -694 shares

    13F-HR 0001141455-25-000003 filed by COOKSON PEIRCE & CO INC
    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.

  6. period ended2024-09-30
    13F 694 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $641,603.

    13F-HR 0001141455-24-000006 filed by COOKSON PEIRCE & CO INC
    Filed (acceptance time not in the bulk data set), ingested

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