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Virtus Investment Advisers, LLC: MPWR position timeline

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

Virtus Investment Advisers, LLC held 1,277 MPWR shares at 2026-06-30 per its 13F-HR filed 2026-08-11.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 1,277 shares
    Change vs previous 13F -629 shares

    0.26% of the 13F portfolio, value $1,765,273.

    13F-HR 0000019481-26-000008 filed by Virtus Investment Advisers, LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Virtus Investment Advisers, LLC: 1,134 shares
    • VIRTUS ADVISERS, LLC: 143 shares

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

  2. period ended2026-03-31
    13F 1,906 shares
    Change vs previous 13F -66 shares

    0.36% of the 13F portfolio, value $2,083,925.

    13F-HR 0000019481-26-000004 filed by Virtus Investment Advisers, LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Virtus Investment Advisers, LLC: 1,731 shares
    • VIRTUS ADVISERS, LLC: 175 shares

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

  3. period ended2025-12-31
    13F 1,972 shares
    Change vs previous 13F +1,972 shares

    0.31% of the 13F portfolio, value $1,787,342.

    13F-HR 0000019481-26-000002 filed by Virtus Investment Advisers, LLC
    Filed (acceptance time not in the bulk data set), ingested

    • Virtus Investment Advisers, LLC: 1,755 shares
    • VIRTUS ADVISERS, LLC: 217 shares

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

  4. period ended2025-03-31
    13F/A 0 shares
    Change vs previous 13F -1,293 shares

    13F-HR/A 0001587281-26-000002 filed by VIRTUS ADVISERS, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

    Exited: the 13F for this period no longer lists the position.

  5. period ended2024-12-31
    13F 1,293 shares
    Change vs previous 13F +216 shares

    0.31% of the 13F portfolio, value $765,068.

    13F-HR 0001591068-25-000007 filed by VIRTUS ADVISERS, LLC
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2024-09-30
    13F 1,077 shares
    Change vs previous 13F not available

    0.47% of the 13F portfolio, value $995,687.

    13F-HR 0001862664-24-000010 filed by VIRTUS ADVISERS, LLC
    Filed (acceptance time not in the bulk data set), ingested

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