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Russell Investments Group, Ltd.: MPWR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of Russell Investments Group, Ltd. on MPWR, newest first. How the timeline and the estimate are built.

Russell Investments Group, Ltd. held 61,251 MPWR shares at 2026-06-30 per its 13F-HR filed 2026-08-06.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 61,251 shares
    Change vs previous 13F +7,177 shares

    0.07% of the 13F portfolio, value $84,163,975.

    13F-HR 0001193125-26-336961 filed by Russell Investments Group, Ltd.
    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 54,074 shares
    Change vs previous 13F +7,325 shares

    0.06% of the 13F portfolio, value $58,550,104.

    13F-HR 0001193125-26-213225 filed by Russell Investments Group, Ltd.
    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 46,749 shares
    Change vs previous 13F +6,622 shares

    0.05% of the 13F portfolio, value $42,431,608.

    13F-HR 0001193125-26-053181 filed by Russell Investments Group, Ltd.
    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 40,127 shares
    Change vs previous 13F +13,035 shares

    0.04% of the 13F portfolio, value $36,907,203.

    13F-HR 0001193125-25-278803 filed by Russell Investments Group, Ltd.
    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 27,092 shares
    Change vs previous 13F -5,336 shares

    0.03% of the 13F portfolio, value $19,816,252.

    13F-HR 0000950123-25-007728 filed by Russell Investments Group, Ltd.
    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 32,428 shares
    Change vs previous 13F +5,734 shares

    0.03% of the 13F portfolio, value $18,808,386.

    13F-HR 0000950123-25-004729 filed by Russell Investments Group, Ltd.
    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 26,694 shares
    Change vs previous 13F -7,409 shares

    0.02% of the 13F portfolio, value $15,795,410.

    13F-HR 0000950123-25-001908 filed by Russell Investments Group, Ltd.
    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 34,103 shares
    Change vs previous 13F not available

    0.05% of the 13F portfolio, value $31,528,455.

    13F-HR 0000950123-24-011064 filed by Russell Investments Group, Ltd.
    Filed (acceptance time not in the bulk data set), ingested

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