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SEI INVESTMENTS CO: TREX position timeline

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

SEI INVESTMENTS CO held 542,355 TREX 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 542,355 shares
    Change vs previous 13F -5,171 shares

    0.02% of the 13F portfolio, value $27,139,120.

    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 547,526 shares
    Change vs previous 13F +361,194 shares

    0.02% of the 13F portfolio, value $19,940,861.

    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 186,332 shares
    Change vs previous 13F -167,245 shares

    0.01% of the 13F portfolio, value $6,536,915.

    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 353,577 shares
    Change vs previous 13F +1,585 shares

    0.02% of the 13F portfolio, value $18,269,562.

    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 351,992 shares
    Change vs previous 13F -52,807 shares

    0.02% of the 13F portfolio, value $19,141,392.

    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 404,799 shares
    Change vs previous 13F -16,690 shares

    0.03% of the 13F portfolio, value $23,518,790.

    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 421,489 shares
    Change vs previous 13F +66,661 shares

    0.04% of the 13F portfolio, value $29,095,277.

    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 354,828 shares
    Change vs previous 13F not available

    0.03% of the 13F portfolio, value $23,624,486.

    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).