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Rakuten Group, Inc.: MPWR position timeline

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

Rakuten Group, Inc. held 18,100 MPWR shares at 2026-06-30 per its 13F-HR filed 2026-08-18.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 18,100 shares
    Change vs previous 13F +3,141 shares

    0.07% of the 13F portfolio, value $23,765,242.

    13F-HR 0000898432-26-000671 filed by Rakuten Investment Management, Inc.
    Filed (acceptance time not in the bulk data set), ingested

    • Rakuten Securities, Inc.: 59 shares
    • Rakuten Investment Management, Inc.: 18,041 shares

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

  2. period ended2026-03-31
    13F 14,959 shares
    Change vs previous 13F +1,594 shares

    0.03% of the 13F portfolio, value $14,996,370.

    13F-HR 0000898432-26-000355 filed by Rakuten Investment Management, Inc.
    Filed (acceptance time not in the bulk data set), ingested

    • Rakuten Securities, Inc.: 26 shares
    • Rakuten Investment Management, Inc.: 14,933 shares

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

  3. period ended2025-12-31
    13F 13,365 shares
    Change vs previous 13F -200,920 shares

    0.04% of the 13F portfolio, value $12,428,611.

    13F-HR 0000898432-26-000121 filed by Rakuten Investment Management, Inc.
    Filed (acceptance time not in the bulk data set), ingested

    • Rakuten Securities, Inc.: 58 shares
    • Rakuten Investment Management, Inc.: 13,307 shares

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

  4. period ended2025-09-30
    13F 214,285 shares
    Change vs previous 13F +214,269 shares

    0.12% of the 13F portfolio, value $35,137,202.

    13F-HR 0000898432-25-000856 filed by Rakuten Investment Management, Inc.
    Filed (acceptance time not in the bulk data set), ingested

    • Rakuten Securities, Inc.: 21 shares
    • Rakuten Investment Management, Inc.: 214,264 shares

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

  5. period ended2025-06-30
    13F/A 16 shares
    Change vs previous 13F -253 shares

    <0.01% of the 13F portfolio, value $11,702.

    13F-HR/A 0002009539-25-000010 filed by Rakuten Securities, 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 269 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $156,015.

    13F-HR 0002009539-25-000004 filed by Rakuten Securities, Inc.
    Filed (acceptance time not in the bulk data set), ingested

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