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SEI INVESTMENTS CO: TTEK position timeline

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

SEI INVESTMENTS CO held 249,271 TTEK 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 249,271 shares
    Change vs previous 13F -66,013 shares

    0.01% of the 13F portfolio, value $7,201,403.

    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 315,284 shares
    Change vs previous 13F +42,759 shares

    0.01% of the 13F portfolio, value $9,494,491.

    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 272,525 shares
    Change vs previous 13F -196,468 shares

    0.01% of the 13F portfolio, value $9,140,159.

    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 468,993 shares
    Change vs previous 13F -21,805 shares

    0.02% of the 13F portfolio, value $15,654,735.

    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 490,798 shares
    Change vs previous 13F +96,475 shares

    0.02% of the 13F portfolio, value $17,649,557.

    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 394,323 shares
    Change vs previous 13F -123,763 shares

    0.01% of the 13F portfolio, value $11,534,304.

    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 518,086 shares
    Change vs previous 13F -124,132 shares

    0.03% of the 13F portfolio, value $20,641,922.

    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 642,218 shares
    Change vs previous 13F not available

    0.04% of the 13F portfolio, value $30,286,314.

    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).