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Disclosery

West Family Investments, Inc.: MPWR position timeline

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

West Family Investments, Inc. held 288 MPWR shares at 2026-06-30 per its 13F-HR filed 2026-08-10.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 288 shares
    Change vs previous 13F +20 shares

    0.12% of the 13F portfolio, value $398,120.

    13F-HR 0001568303-26-000007 filed by West Family Investments, 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 268 shares
    Change vs previous 13F -2 shares

    0.1% of the 13F portfolio, value $293,018.

    13F-HR 0001568303-26-000005 filed by West Family Investments, 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 270 shares
    Change vs previous 13F -100 shares

    0.06% of the 13F portfolio, value $244,717.

    13F-HR 0001568303-26-000004 filed by West Family Investments, 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/A 370 shares
    Change vs previous 13F +10 shares

    0.08% of the 13F portfolio, value $340,637.

    13F-HR 0001568303-25-000008 filed by West Family Investments, Inc.
    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 360 shares
    Change vs previous 13F not available

    0.07% of the 13F portfolio, value $263,297.

    13F-HR 0001568303-25-000007 filed by West Family Investments, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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