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CONGRESS ASSET MANAGEMENT CO: MMSI position timeline

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

CONGRESS ASSET MANAGEMENT CO held 1,260,675 MMSI 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 1,260,675 shares
    Change vs previous 13F +76,338 shares

    0.7% of the 13F portfolio, value $108,708,005.

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

  2. period ended2026-06-30
    13F 1,184,337 shares
    Change vs previous 13F +155,088 shares

    0.51% of the 13F portfolio, value $82,121,928.

    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 1,029,249 shares
    Change vs previous 13F +171,610 shares

    0.51% of the 13F portfolio, value $70,946,134.

    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 857,639 shares
    Change vs previous 13F +184,738 shares

    0.53% of the 13F portfolio, value $75,592,301.

    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 672,901 shares
    Change vs previous 13F +37,812 shares

    0.37% of the 13F portfolio, value $56,005,550.

    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 635,089 shares
    Change vs previous 13F +6,963 shares

    0.41% of the 13F portfolio, value $59,368,120.

    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 628,126 shares
    Change vs previous 13F +27,440 shares

    0.5% of the 13F portfolio, value $66,399,199.

    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 600,686 shares
    Change vs previous 13F not available

    0.39% of the 13F portfolio, value $58,098,350.

    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).