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SEI INVESTMENTS CO: ARDT position timeline

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

SEI INVESTMENTS CO held 25,276 ARDT 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 25,276 shares
    Change vs previous 13F -14,700 shares

    <0.01% of the 13F portfolio, value $248,716.

    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 39,976 shares
    Change vs previous 13F -116,008 shares

    <0.01% of the 13F portfolio, value $342,195.

    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 155,984 shares
    Change vs previous 13F -24,539 shares

    <0.01% of the 13F portfolio, value $1,377,339.

    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 180,523 shares
    Change vs previous 13F +7,625 shares

    <0.01% of the 13F portfolio, value $2,391,930.

    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 172,898 shares
    Change vs previous 13F -6,266 shares

    <0.01% of the 13F portfolio, value $2,361,787.

    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 179,164 shares
    Change vs previous 13F +2,298 shares

    <0.01% of the 13F portfolio, value $2,463,505.

    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 176,866 shares
    Change vs previous 13F +38,347 shares

    <0.01% of the 13F portfolio, value $3,020,871.

    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 138,519 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $2,545,979.

    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).