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SEI INVESTMENTS CO: COST position timeline

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

SEI INVESTMENTS CO held 189,988 COST 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 189,988 shares
    Change vs previous 13F -33,015 shares

    0.16% of the 13F portfolio, value $177,739,667.

    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 223,003 shares
    Change vs previous 13F +51,339 shares

    0.2% of the 13F portfolio, value $222,212,277.

    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 171,664 shares
    Change vs previous 13F +22,329 shares

    0.15% of the 13F portfolio, value $148,022,521.

    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 149,335 shares
    Change vs previous 13F -14,047 shares

    0.15% of the 13F portfolio, value $138,236,903.

    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 163,382 shares
    Change vs previous 13F -1,456 shares

    0.19% of the 13F portfolio, value $161,740,724.

    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 164,838 shares
    Change vs previous 13F +8,388 shares

    0.2% of the 13F portfolio, value $155,903,582.

    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 156,450 shares
    Change vs previous 13F -2,914 shares

    0.18% of the 13F portfolio, value $143,352,996.

    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 159,364 shares
    Change vs previous 13F not available

    0.18% of the 13F portfolio, value $141,281,785.

    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).