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WELLINGTON MANAGEMENT GROUP LLP: MMSI position timeline

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

WELLINGTON MANAGEMENT GROUP LLP held 143,037 MMSI 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 143,037 shares
    Change vs previous 13F -160,791 shares

    <0.01% of the 13F portfolio, value $9,918,186.

    13F-HR 0000902219-26-000311 filed by WELLINGTON MANAGEMENT GROUP LLP
    Filed (acceptance time not in the bulk data set), ingested

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

  2. period ended2026-03-31
    13F 303,828 shares
    Change vs previous 13F -1,023,185 shares

    <0.01% of the 13F portfolio, value $20,942,864.

    13F-HR 0000902219-26-000209 filed by WELLINGTON MANAGEMENT GROUP LLP
    Filed (acceptance time not in the bulk data set), ingested

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

  3. period ended2025-12-31
    13F 1,327,013 shares
    Change vs previous 13F +86,504 shares

    0.02% of the 13F portfolio, value $116,962,926.

    13F-HR 0000902219-26-000103 filed by WELLINGTON MANAGEMENT GROUP LLP
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 1,240,509 shares
    Change vs previous 13F +980,823 shares

    0.02% of the 13F portfolio, value $103,247,564.

    13F-HR 0000902219-25-000462 filed by WELLINGTON MANAGEMENT GROUP LLP
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 259,686 shares
    Change vs previous 13F -398 shares

    <0.01% of the 13F portfolio, value $24,275,447.

    13F-HR 0000902219-25-000356 filed by WELLINGTON MANAGEMENT GROUP LLP
    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 260,084 shares
    Change vs previous 13F +34,448 shares

    0.01% of the 13F portfolio, value $27,493,480.

    13F-HR 0000902219-25-000242 filed by WELLINGTON MANAGEMENT GROUP LLP
    Filed (acceptance time not in the bulk data set), ingested

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

  7. period ended2024-12-31
    13F/A 225,636 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $21,823,514.

    13F-HR 0000902219-25-000131 filed by WELLINGTON MANAGEMENT GROUP LLP
    Filed (acceptance time not in the bulk data set), ingested

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