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Disclosery

BlackRock, Inc.: MPWR position timeline

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

BlackRock, Inc. held 5,589,925 MPWR shares at 2026-06-30 per its 13F-HR filed 2026-08-07.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 5,589,925 shares
    Change vs previous 13F -482,542 shares

    0.12% of the 13F portfolio, value $7,727,288,729.

    13F-HR 0002012383-26-003238 filed by BlackRock, 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 6,072,467 shares
    Change vs previous 13F +110,076 shares

    0.12% of the 13F portfolio, value $6,639,332,032.

    13F-HR 0002012383-26-001841 filed by BlackRock, 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 5,962,391 shares
    Change vs previous 13F +235,617 shares

    0.09% of the 13F portfolio, value $5,404,072,656.

    13F-HR 0002012383-26-000920 filed by BlackRock, 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 5,726,774 shares
    Change vs previous 13F +497,553 shares

    0.09% of the 13F portfolio, value $5,272,297,648.

    13F-HR 0002012383-25-002949 filed by BlackRock, 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 5,229,221 shares
    Change vs previous 13F +316,313 shares

    0.07% of the 13F portfolio, value $3,824,548,048.

    13F-HR 0001060021-25-000120 filed by BlackRock, 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 4,912,908 shares
    Change vs previous 13F -509,319 shares

    0.06% of the 13F portfolio, value $2,849,388,120.

    13F-HR 0001576419-25-000869 filed by BlackRock, 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 5,422,227 shares
    Change vs previous 13F -381,736 shares

    0.07% of the 13F portfolio, value $3,208,331,564.

    13F-HR 0001060021-25-000002 filed by BlackRock, 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 5,803,963 shares
    Change vs previous 13F not available

    0.11% of the 13F portfolio, value $5,365,763,616.

    13F-HR 0001426459-24-000006 filed by BlackRock, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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