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CONGRESS ASSET MANAGEMENT CO: MPWR position timeline

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

CONGRESS ASSET MANAGEMENT CO held 74,381 MPWR shares at 2026-09-30 per its 13F-HR filed 2026-10-06.

the latest 13F is the newest step

  1. period ended2026-09-30
    13F 74,381 shares
    Change vs previous 13F -6,044 shares

    0.65% of the 13F portfolio, value $100,207,812.

    13F-HR 0000897378-26-000015 filed by CONGRESS ASSET MANAGEMENT CO
    Accepted , ingested

  2. period ended2026-06-30
    13F 80,425 shares
    Change vs previous 13F -2,918 shares

    0.68% of the 13F portfolio, value $111,176,480.

    13F-HR 0000897378-26-000010 filed by CONGRESS ASSET MANAGEMENT CO
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2026-03-31
    13F 83,343 shares
    Change vs previous 13F -7,343 shares

    0.65% of the 13F portfolio, value $91,122,901.

    13F-HR 0000897378-26-000005 filed by CONGRESS ASSET MANAGEMENT CO
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-12-31
    13F 90,686 shares
    Change vs previous 13F -17,585 shares

    0.58% of the 13F portfolio, value $82,194,029.

    13F-HR 0000897378-26-000002 filed by CONGRESS ASSET MANAGEMENT CO
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-09-30
    13F 108,271 shares
    Change vs previous 13F -16,898 shares

    0.66% of the 13F portfolio, value $99,678,580.

    13F-HR 0000897378-25-000016 filed by CONGRESS ASSET MANAGEMENT CO
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-06-30
    13F 125,169 shares
    Change vs previous 13F +2,509 shares

    0.63% of the 13F portfolio, value $91,546,005.

    13F-HR 0000897378-25-000005 filed by CONGRESS ASSET MANAGEMENT CO
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2025-03-31
    13F 122,660 shares
    Change vs previous 13F -8,042 shares

    0.53% of the 13F portfolio, value $71,140,071.

    13F-HR 0000897378-25-000003 filed by CONGRESS ASSET MANAGEMENT CO
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-12-31
    13F 130,702 shares
    Change vs previous 13F not available

    0.52% of the 13F portfolio, value $77,336,237.

    13F-HR 0000897378-25-000001 filed by CONGRESS ASSET MANAGEMENT CO
    Filed (acceptance time not in the bulk data set), ingested

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