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Disclosery

STATE OF WISCONSIN INVESTMENT BOARD: MPWR position timeline

Available 13F reports, 13D and 13G stakes and each Form 3, 4 and 5 line of STATE OF WISCONSIN INVESTMENT BOARD on MPWR, newest first. How the timeline and the estimate are built.

STATE OF WISCONSIN INVESTMENT BOARD held 26,618 MPWR shares at 2026-06-30 per its 13F-HR filed 2026-08-14.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 26,618 shares
    Change vs previous 13F +963 shares

    0.07% of the 13F portfolio, value $36,795,658.

    13F-HR 0001062993-26-004375 filed by STATE OF WISCONSIN INVESTMENT BOARD
    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 25,655 shares
    Change vs previous 13F -3,702 shares

    0.06% of the 13F portfolio, value $28,049,894.

    13F-HR 0001062993-26-002676 filed by STATE OF WISCONSIN INVESTMENT BOARD
    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 29,357 shares
    Change vs previous 13F +1,215 shares

    0.06% of the 13F portfolio, value $26,608,011.

    13F-HR 0001062993-26-000957 filed by STATE OF WISCONSIN INVESTMENT BOARD
    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 28,142 shares
    Change vs previous 13F +2,633 shares

    0.06% of the 13F portfolio, value $25,908,651.

    13F-HR 0001062993-25-016783 filed by STATE OF WISCONSIN INVESTMENT BOARD
    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 25,509 shares
    Change vs previous 13F -1,956 shares

    0.05% of the 13F portfolio, value $18,656,772.

    13F-HR 0001062993-25-014368 filed by STATE OF WISCONSIN INVESTMENT BOARD
    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 27,465 shares
    Change vs previous 13F +580 shares

    0.04% of the 13F portfolio, value $15,929,151.

    13F-HR 0001062993-25-009484 filed by STATE OF WISCONSIN INVESTMENT BOARD
    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 26,885 shares
    Change vs previous 13F -6,792 shares

    0.04% of the 13F portfolio, value $15,907,855.

    13F-HR 0001062993-25-002462 filed by STATE OF WISCONSIN INVESTMENT BOARD
    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 33,677 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $31,134,387.

    13F-HR 0001062993-24-019058 filed by STATE OF WISCONSIN INVESTMENT BOARD
    Filed (acceptance time not in the bulk data set), ingested

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