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MARSHALL WACE, LLP: GPK position timeline

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

MARSHALL WACE, LLP held 3,689,816 GPK shares at 2026-06-30 per its 13F-HR filed 2026-08-13.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 3,689,816 shares
    Change vs previous 13F +976,207 shares

    0.03% of the 13F portfolio, value $39,001,352.

    13F-HR 0001318757-26-000010 filed by MARSHALL WACE, LLP
    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 2,713,609 shares
    Change vs previous 13F +1,014,867 shares

    0.03% of the 13F portfolio, value $26,973,272.

    13F-HR 0001318757-26-000005 filed by MARSHALL WACE, LLP
    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 1,698,742 shares
    Change vs previous 13F +1,333,800 shares

    0.02% of the 13F portfolio, value $25,583,054.

    13F-HR 0001318757-26-000003 filed by MARSHALL WACE, LLP
    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 364,942 shares
    Change vs previous 13F +94,811 shares

    0.01% of the 13F portfolio, value $7,141,915.

    13F-HR 0001318757-25-000046 filed by MARSHALL WACE, LLP
    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 270,131 shares
    Change vs previous 13F -638,536 shares

    0.01% of the 13F portfolio, value $5,691,660.

    13F-HR 0001318757-25-000034 filed by MARSHALL WACE, LLP
    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 908,667 shares
    Change vs previous 13F -1,538,176 shares

    0.03% of the 13F portfolio, value $23,588,996.

    13F-HR 0001318757-25-000023 filed by MARSHALL WACE, LLP
    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 2,446,843 shares
    Change vs previous 13F +2,153,925 shares

    0.08% of the 13F portfolio, value $66,456,257.

    13F-HR 0002048047-25-000005 filed by MARSHALL WACE, LLP
    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 292,918 shares
    Change vs previous 13F not available

    0.01% of the 13F portfolio, value $8,667,443.

    13F-HR 0001318757-24-000018 filed by MARSHALL WACE, LLP
    Filed (acceptance time not in the bulk data set), ingested

    Acceptance time not in the bulk data set (spec §4.2).