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Disclosery

RHUMBLINE ADVISERS: GPK position timeline

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

RHUMBLINE ADVISERS held 767,207 GPK shares at 2026-06-30 per its 13F-HR filed 2026-08-12.

the latest 13F is the newest step

  1. period ended2026-06-30
    13F 767,207 shares
    Change vs previous 13F -4,713 shares

    0.01% of the 13F portfolio, value $8,109,328.

    13F-HR 0001115418-26-000005 filed by RHUMBLINE ADVISERS
    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 771,920 shares
    Change vs previous 13F -29,192 shares

    0.01% of the 13F portfolio, value $7,672,835.

    13F-HR 0001115418-26-000003 filed by RHUMBLINE ADVISERS
    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 801,112 shares
    Change vs previous 13F -49,637 shares

    0.01% of the 13F portfolio, value $12,064,696.

    13F-HR 0001115418-26-000002 filed by RHUMBLINE ADVISERS
    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 850,749 shares
    Change vs previous 13F -11,318 shares

    0.01% of the 13F portfolio, value $16,649,097.

    13F-HR 0001115418-25-000021 filed by RHUMBLINE ADVISERS
    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 862,067 shares
    Change vs previous 13F +1,181 shares

    0.02% of the 13F portfolio, value $18,163,690.

    13F-HR 0001115418-25-000017 filed by RHUMBLINE ADVISERS
    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 860,886 shares
    Change vs previous 13F +157 shares

    0.02% of the 13F portfolio, value $22,348,550.

    13F-HR/A 0001115418-25-000005 filed by RHUMBLINE ADVISERS
    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/A 860,729 shares
    Change vs previous 13F -8,874 shares

    0.02% of the 13F portfolio, value $23,377,350.

    13F-HR/A 0001115418-25-000006 filed by RHUMBLINE ADVISERS
    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 869,603 shares
    Change vs previous 13F not available

    0.02% of the 13F portfolio, value $25,731,511.

    13F-HR 0001115418-24-000011 filed by RHUMBLINE ADVISERS
    Filed (acceptance time not in the bulk data set), ingested

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