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Crossingbridge Advisors, LLC: GPK position timeline

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

Crossingbridge Advisors, LLC held 45,000 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 45,000 shares
    Change vs previous 13F -10,000 shares

    0.08% of the 13F portfolio, value $475,650.

    13F-HR 0001104659-26-095580 filed by Crossingbridge Advisors, LLC
    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 55,000 shares
    Change vs previous 13F 0 shares

    0.1% of the 13F portfolio, value $546,700.

    13F-HR 0001104659-26-060737 filed by Crossingbridge Advisors, LLC
    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 55,000 shares
    Change vs previous 13F 0 shares

    0.24% of the 13F portfolio, value $835,450.

    13F-HR 0001104659-26-014810 filed by Crossingbridge Advisors, LLC
    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 55,000 shares
    Change vs previous 13F 0 shares

    0.54% of the 13F portfolio, value $1,061,500.

    13F-HR 0001104659-25-110900 filed by Crossingbridge Advisors, LLC
    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 55,000 shares
    Change vs previous 13F +5,000 shares

    1.01% of the 13F portfolio, value $1,156,100.

    13F-HR 0001104659-25-077288 filed by Crossingbridge Advisors, LLC
    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 50,000 shares
    Change vs previous 13F +10,000 shares

    0.69% of the 13F portfolio, value $1,306,000.

    13F-HR 0001104659-25-048296 filed by Crossingbridge Advisors, LLC
    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 40,000 shares
    Change vs previous 13F not available

    0.36% of the 13F portfolio, value $1,086,400.

    13F-HR 0001104659-25-013884 filed by Crossingbridge Advisors, LLC
    Filed (acceptance time not in the bulk data set), ingested

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