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Kentucky Retirement Systems: MPWR position timeline

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

Kentucky Retirement Systems held 4,135 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 4,135 shares
    Change vs previous 13F +2,917 shares

    0.1% of the 13F portfolio, value $5,716,059.

    13F-HR 0001537783-26-000003 filed by Kentucky Retirement Systems
    Filed (acceptance time not in the bulk data set), ingested

    • Kentucky Retirement Systems: 2,922 shares
    • Kentucky Retirement Systems Insurance Trust Fund: 1,213 shares

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

  2. period ended2026-03-31
    13F 1,218 shares
    Change vs previous 13F -2,906 shares

    0.09% of the 13F portfolio, value $1,331,700.

    13F-HR 0001584686-26-000002 filed by Kentucky Retirement Systems Insurance Trust Fund
    Filed (acceptance time not in the bulk data set), ingested

    • Kentucky Retirement Systems: 0 shares
    • Kentucky Retirement Systems Insurance Trust Fund: 1,218 shares

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

  3. period ended2025-12-31
    13F 4,124 shares
    Change vs previous 13F 0 shares

    0.07% of the 13F portfolio, value $3,737,828.

    13F-HR 0001537783-26-000001 filed by Kentucky Retirement Systems
    Filed (acceptance time not in the bulk data set), ingested

    • Kentucky Retirement Systems: 2,906 shares
    • Kentucky Retirement Systems Insurance Trust Fund: 1,218 shares

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

  4. period ended2025-09-30
    13F 4,124 shares
    Change vs previous 13F -161 shares

    0.07% of the 13F portfolio, value $3,796,720.

    13F-HR 0001537783-25-000008 filed by Kentucky Retirement Systems
    Filed (acceptance time not in the bulk data set), ingested

    • Kentucky Retirement Systems: 2,906 shares
    • Kentucky Retirement Systems Insurance Trust Fund: 1,218 shares

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

  5. period ended2025-06-30
    13F 4,285 shares
    Change vs previous 13F -287 shares

    0.06% of the 13F portfolio, value $3,133,963.

    13F-HR 0001537783-25-000006 filed by Kentucky Retirement Systems
    Filed (acceptance time not in the bulk data set), ingested

    • Kentucky Retirement Systems: 3,008 shares
    • Kentucky Retirement Systems Insurance Trust Fund: 1,277 shares

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

  6. period ended2025-03-31
    13F 4,572 shares
    Change vs previous 13F +1,222 shares

    0.06% of the 13F portfolio, value $2,651,669.

    13F-HR 0001537783-25-000003 filed by Kentucky Retirement Systems
    Filed (acceptance time not in the bulk data set), ingested

    • Kentucky Retirement Systems: 3,206 shares
    • Kentucky Retirement Systems Insurance Trust Fund: 1,366 shares

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

  7. period ended2024-12-31
    13F 3,350 shares
    Change vs previous 13F -1,489 shares

    0.06% of the 13F portfolio, value $1,982,195.

    13F-HR 0001537783-25-000002 filed by Kentucky Retirement Systems
    Filed (acceptance time not in the bulk data set), ingested

    • Kentucky Retirement Systems: 3,350 shares
    • Kentucky Retirement Systems Insurance Trust Fund: 0 shares

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

  8. period ended2024-09-30
    13F 4,839 shares
    Change vs previous 13F not available

    0.09% of the 13F portfolio, value $4,473,656.

    13F-HR 0001537783-24-000006 filed by Kentucky Retirement Systems
    Filed (acceptance time not in the bulk data set), ingested

    • Kentucky Retirement Systems: 3,396 shares
    • Kentucky Retirement Systems Insurance Trust Fund: 1,443 shares

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