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SEI INVESTMENTS CO: GPK position timeline

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

SEI INVESTMENTS CO held 105,213 GPK 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 105,213 shares
    Change vs previous 13F -1,457,392 shares

    <0.01% of the 13F portfolio, value $1,112,328.

    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 1,562,605 shares
    Change vs previous 13F +61,559 shares

    0.01% of the 13F portfolio, value $15,534,066.

    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 1,501,046 shares
    Change vs previous 13F +122,139 shares

    0.02% of the 13F portfolio, value $22,606,829.

    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 1,378,907 shares
    Change vs previous 13F +199,873 shares

    0.03% of the 13F portfolio, value $26,984,273.

    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 1,179,034 shares
    Change vs previous 13F -1,336,764 shares

    0.03% of the 13F portfolio, value $24,842,022.

    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 2,515,798 shares
    Change vs previous 13F +168,027 shares

    0.08% of the 13F portfolio, value $65,310,331.

    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 2,347,771 shares
    Change vs previous 13F +353,663 shares

    0.08% of the 13F portfolio, value $63,765,087.

    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 1,994,108 shares
    Change vs previous 13F not available

    0.08% of the 13F portfolio, value $59,004,943.

    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).