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Disclosery

SEI INVESTMENTS CO: M position timeline

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

SEI INVESTMENTS CO held 711,808 M 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 711,808 shares
    Change vs previous 13F +72,312 shares

    0.01% of the 13F portfolio, value $16,763,020.

    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 639,496 shares
    Change vs previous 13F -53,296 shares

    0.01% of the 13F portfolio, value $11,568,414.

    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 692,792 shares
    Change vs previous 13F +176,409 shares

    0.02% of the 13F portfolio, value $15,276,086.

    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 516,383 shares
    Change vs previous 13F +486,837 shares

    0.01% of the 13F portfolio, value $9,258,775.

    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 29,546 shares
    Change vs previous 13F -712 shares

    <0.01% of the 13F portfolio, value $344,425.

    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 30,258 shares
    Change vs previous 13F +9,210 shares

    <0.01% of the 13F portfolio, value $380,071.

    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 21,048 shares
    Change vs previous 13F -8,106 shares

    <0.01% of the 13F portfolio, value $356,338.

    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 29,154 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $457,426.

    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).