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Disclosery

BOSTON FAMILY OFFICE LLC: MPWR position timeline

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

BOSTON FAMILY OFFICE LLC held 6,321 MPWR shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 6,321 shares
    Change vs previous 13F +1,777 shares

    0.53% of the 13F portfolio, value $8,738,000.

    13F-HR 0001039807-26-000006 filed by BOSTON FAMILY OFFICE 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 4,544 shares
    Change vs previous 13F -109 shares

    0.33% of the 13F portfolio, value $4,968,000.

    13F-HR 0001039807-26-000004 filed by BOSTON FAMILY OFFICE 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 4,653 shares
    Change vs previous 13F +1,406 shares

    0.27% of the 13F portfolio, value $4,217,000.

    13F-HR 0001039807-26-000002 filed by BOSTON FAMILY OFFICE 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 3,247 shares
    Change vs previous 13F +733 shares

    0.19% of the 13F portfolio, value $2,988,000.

    13F-HR 0001039807-25-000013 filed by BOSTON FAMILY OFFICE 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 2,514 shares
    Change vs previous 13F -105 shares

    0.12% of the 13F portfolio, value $1,839,000.

    13F-HR 0001039807-25-000006 filed by BOSTON FAMILY OFFICE 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 2,619 shares
    Change vs previous 13F +5 shares

    0.11% of the 13F portfolio, value $1,519,000.

    13F-HR 0001039807-25-000004 filed by BOSTON FAMILY OFFICE 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 2,614 shares
    Change vs previous 13F +2,383 shares

    0.11% of the 13F portfolio, value $1,547,000.

    13F-HR 0001039807-25-000002 filed by BOSTON FAMILY OFFICE 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 231 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $214,000.

    13F-HR 0001039807-24-000009 filed by BOSTON FAMILY OFFICE LLC
    Filed (acceptance time not in the bulk data set), ingested

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