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SEI INVESTMENTS CO: AAT position timeline

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

SEI INVESTMENTS CO held 30,742 AAT 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 30,742 shares
    Change vs previous 13F -11,719 shares

    <0.01% of the 13F portfolio, value $759,008.

    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 42,461 shares
    Change vs previous 13F -13,446 shares

    <0.01% of the 13F portfolio, value $781,706.

    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 55,907 shares
    Change vs previous 13F +5,601 shares

    <0.01% of the 13F portfolio, value $1,058,316.

    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 50,306 shares
    Change vs previous 13F +4,726 shares

    <0.01% of the 13F portfolio, value $1,022,222.

    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 45,580 shares
    Change vs previous 13F +17,296 shares

    <0.01% of the 13F portfolio, value $900,204.

    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 28,284 shares
    Change vs previous 13F +13,955 shares

    <0.01% of the 13F portfolio, value $569,631.

    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 14,329 shares
    Change vs previous 13F -3,788 shares

    <0.01% of the 13F portfolio, value $376,281.

    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 18,117 shares
    Change vs previous 13F not available

    <0.01% of the 13F portfolio, value $484,078.

    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).