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Disclosery

SEI INVESTMENTS CO: C position timeline

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

SEI INVESTMENTS CO held 2,108,742 C 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 2,108,742 shares
    Change vs previous 13F -51,608 shares

    0.26% of the 13F portfolio, value $295,152,048.

    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 2,160,350 shares
    Change vs previous 13F +263,250 shares

    0.23% of the 13F portfolio, value $245,004,259.

    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 1,897,100 shares
    Change vs previous 13F +224,945 shares

    0.22% of the 13F portfolio, value $221,368,014.

    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 1,672,155 shares
    Change vs previous 13F -81,810 shares

    0.18% of the 13F portfolio, value $169,725,200.

    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 1,753,965 shares
    Change vs previous 13F -39,348 shares

    0.17% of the 13F portfolio, value $149,299,246.

    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 1,793,313 shares
    Change vs previous 13F +240,403 shares

    0.16% of the 13F portfolio, value $127,305,966.

    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 1,552,910 shares
    Change vs previous 13F +129,083 shares

    0.14% of the 13F portfolio, value $109,311,688.

    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 1,423,827 shares
    Change vs previous 13F not available

    0.12% of the 13F portfolio, value $89,131,793.

    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).