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SEI INVESTMENTS CO: CSTM position timeline

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

SEI INVESTMENTS CO held 289,041 CSTM 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 289,041 shares
    Change vs previous 13F +57,267 shares

    0.01% of the 13F portfolio, value $9,211,589.

    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 231,774 shares
    Change vs previous 13F +142,340 shares

    0.01% of the 13F portfolio, value $5,696,982.

    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 89,434 shares
    Change vs previous 13F -13,224 shares

    <0.01% of the 13F portfolio, value $1,685,849.

    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 102,658 shares
    Change vs previous 13F -5,574 shares

    <0.01% of the 13F portfolio, value $1,527,544.

    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 108,232 shares
    Change vs previous 13F -641,453 shares

    <0.01% of the 13F portfolio, value $1,439,507.

    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 749,685 shares
    Change vs previous 13F -9,850 shares

    0.01% of the 13F portfolio, value $7,564,223.

    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 759,535 shares
    Change vs previous 13F -16,733 shares

    0.01% of the 13F portfolio, value $7,800,402.

    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 776,268 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $12,622,109.

    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).