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SEI INVESTMENTS CO: NDAQ position timeline

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

SEI INVESTMENTS CO held 511,762 NDAQ 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 511,762 shares
    Change vs previous 13F -28,702 shares

    0.04% of the 13F portfolio, value $40,335,829.

    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 540,464 shares
    Change vs previous 13F -692,665 shares

    0.04% of the 13F portfolio, value $45,876,553.

    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 1,233,129 shares
    Change vs previous 13F +881,028 shares

    0.12% of the 13F portfolio, value $119,774,369.

    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 352,101 shares
    Change vs previous 13F +30,963 shares

    0.03% of the 13F portfolio, value $31,143,358.

    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 321,138 shares
    Change vs previous 13F +9,897 shares

    0.03% of the 13F portfolio, value $28,717,552.

    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 311,241 shares
    Change vs previous 13F -2,818 shares

    0.03% of the 13F portfolio, value $23,611,800.

    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 314,059 shares
    Change vs previous 13F -10,569 shares

    0.03% of the 13F portfolio, value $24,280,103.

    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 324,628 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $23,701,262.

    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).