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SEI INVESTMENTS CO: MLCO position timeline

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

SEI INVESTMENTS CO held 1,324,476 MLCO 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 1,324,476 shares
    Change vs previous 13F -75,954 shares

    0.01% of the 13F portfolio, value $6,979,989.

    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 1,400,430 shares
    Change vs previous 13F -319,735 shares

    0.01% of the 13F portfolio, value $7,954,443.

    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 1,720,165 shares
    Change vs previous 13F -86,523 shares

    0.01% of the 13F portfolio, value $13,021,654.

    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 1,806,688 shares
    Change vs previous 13F +1,114,035 shares

    0.02% of the 13F portfolio, value $16,567,329.

    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 692,653 shares
    Change vs previous 13F 0 shares

    0.01% of the 13F portfolio, value $5,007,881.

    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 692,653 shares
    Change vs previous 13F -32,447 shares

    <0.01% of the 13F portfolio, value $3,650,282.

    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 725,100 shares
    Change vs previous 13F +123,042 shares

    0.01% of the 13F portfolio, value $4,198,332.

    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 602,058 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $4,690,032.

    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).