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SEI INVESTMENTS CO: MMSI position timeline

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

SEI INVESTMENTS CO held 296,546 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 296,546 shares
    Change vs previous 13F +68,002 shares

    0.02% of the 13F portfolio, value $20,562,536.

    13F-HR 0002048251-26-006553 filed by SEI INVESTMENTS CO
    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 228,544 shares
    Change vs previous 13F +79,374 shares

    0.01% of the 13F portfolio, value $15,753,792.

    13F-HR 0002048251-26-003739 filed by SEI INVESTMENTS CO
    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 149,170 shares
    Change vs previous 13F +2,907 shares

    0.01% of the 13F portfolio, value $13,147,856.

    13F-HR 0000350894-26-000005 filed by SEI INVESTMENTS CO
    Filed (acceptance time not in the bulk data set), ingested

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

  4. period ended2025-09-30
    13F 146,263 shares
    Change vs previous 13F -19,429 shares

    0.01% of the 13F portfolio, value $12,173,517.

    13F-HR 0002048251-25-002343 filed by SEI INVESTMENTS CO
    Filed (acceptance time not in the bulk data set), ingested

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

  5. period ended2025-06-30
    13F 165,692 shares
    Change vs previous 13F -8,723 shares

    0.02% of the 13F portfolio, value $15,489,000.

    13F-HR 0001041062-25-000162 filed by SEI INVESTMENTS CO
    Filed (acceptance time not in the bulk data set), ingested

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

  6. period ended2025-03-31
    13F/A 174,415 shares
    Change vs previous 13F -12,905 shares

    0.02% of the 13F portfolio, value $18,437,453.

    13F-HR/A 0001041062-25-000106 filed by SEI INVESTMENTS CO
    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 187,320 shares
    Change vs previous 13F -13,981 shares

    0.02% of the 13F portfolio, value $18,117,234.

    13F-HR 0001041062-25-000019 filed by SEI INVESTMENTS CO
    Filed (acceptance time not in the bulk data set), ingested

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

  8. period ended2024-09-30
    13F 201,301 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $19,894,621.

    13F-HR 0001041062-24-000165 filed by SEI INVESTMENTS CO
    Filed (acceptance time not in the bulk data set), ingested

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