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OAK RIDGE INVESTMENTS LLC: MPWR position timeline

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

OAK RIDGE INVESTMENTS LLC held 505 MPWR shares at 2026-06-30 per its 13F-HR filed 2026-07-21.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 505 shares
    Change vs previous 13F -126 shares

    0.04% of the 13F portfolio, value $698,092.

    13F-HR 0001172661-26-002720 filed by OAK RIDGE INVESTMENTS LLC
    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 631 shares
    Change vs previous 13F +5 shares

    0.05% of the 13F portfolio, value $689,904.

    13F-HR 0001172661-26-001576 filed by OAK RIDGE INVESTMENTS LLC
    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 626 shares
    Change vs previous 13F -42 shares

    0.03% of the 13F portfolio, value $567,381.

    13F-HR 0001172661-26-000295 filed by OAK RIDGE INVESTMENTS LLC
    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 668 shares
    Change vs previous 13F +6 shares

    0.04% of the 13F portfolio, value $614,988.

    13F-HR 0001172661-25-004477 filed by OAK RIDGE INVESTMENTS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 662 shares
    Change vs previous 13F +2 shares

    0.03% of the 13F portfolio, value $484,174.

    13F-HR 0001172661-25-002726 filed by OAK RIDGE INVESTMENTS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F 660 shares
    Change vs previous 13F -5,107 shares

    0.03% of the 13F portfolio, value $382,787.

    13F-HR 0001172661-25-001733 filed by OAK RIDGE INVESTMENTS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F 5,767 shares
    Change vs previous 13F -873 shares

    0.27% of the 13F portfolio, value $3,412,334.

    13F-HR 0001172661-25-000200 filed by OAK RIDGE INVESTMENTS LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 6,640 shares
    Change vs previous 13F not available

    0.54% of the 13F portfolio, value $6,138,680.

    13F-HR 0001172661-24-004384 filed by OAK RIDGE INVESTMENTS LLC
    Filed (acceptance time not in the bulk data set), ingested

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