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SEI INVESTMENTS CO: MKTX position timeline

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

SEI INVESTMENTS CO held 56,022 MKTX 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 56,022 shares
    Change vs previous 13F +25,791 shares

    0.01% of the 13F portfolio, value $6,357,908.

    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 30,231 shares
    Change vs previous 13F +16,047 shares

    <0.01% of the 13F portfolio, value $4,987,327.

    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 14,184 shares
    Change vs previous 13F -514 shares

    <0.01% of the 13F portfolio, value $2,570,786.

    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 14,698 shares
    Change vs previous 13F -48,482 shares

    <0.01% of the 13F portfolio, value $2,561,055.

    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 63,180 shares
    Change vs previous 13F -64,456 shares

    0.02% of the 13F portfolio, value $14,110,594.

    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 127,636 shares
    Change vs previous 13F +22,850 shares

    0.04% of the 13F portfolio, value $27,614,094.

    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 104,786 shares
    Change vs previous 13F -4,482 shares

    0.03% of the 13F portfolio, value $23,685,915.

    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 109,268 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $27,994,501.

    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).