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Harfst & Associates, Inc.: MPWR position timeline

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

Harfst & Associates, Inc. held 3,124 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 3,124 shares
    Change vs previous 13F -164 shares

    0.67% of the 13F portfolio, value $4,319,019.

    13F-HR 0001172661-26-003005 filed by Harfst & Associates, 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 3,288 shares
    Change vs previous 13F -30 shares

    0.64% of the 13F portfolio, value $3,594,978.

    13F-HR 0001172661-26-001743 filed by Harfst & Associates, 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 3,318 shares
    Change vs previous 13F -121 shares

    0.54% of the 13F portfolio, value $3,007,023.

    13F-HR 0001172661-26-000572 filed by Harfst & Associates, 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 3,439 shares
    Change vs previous 13F +3 shares

    0.58% of the 13F portfolio, value $3,166,393.

    13F-HR 0001172661-25-004390 filed by Harfst & Associates, 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 3,436 shares
    Change vs previous 13F +165 shares

    0.52% of the 13F portfolio, value $2,512,910.

    13F-HR 0001172661-25-003091 filed by Harfst & Associates, Inc.
    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 3,271 shares
    Change vs previous 13F -117 shares

    0.44% of the 13F portfolio, value $1,897,346.

    13F-HR 0001172661-25-001731 filed by Harfst & Associates, Inc.
    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 3,388 shares
    Change vs previous 13F +579 shares

    0.42% of the 13F portfolio, value $2,004,682.

    13F-HR 0001172661-25-000496 filed by Harfst & Associates, Inc.
    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 2,809 shares
    Change vs previous 13F not available

    0.58% of the 13F portfolio, value $2,596,921.

    13F-HR 0001172661-24-004309 filed by Harfst & Associates, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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