Last updated Aug 21, 2026
GPK (GPK) is a publicly traded company. This page tracks every superinvestor 13F holding, congressional stock trade, and Form 4 insider transaction in GPK. Across our datasets, 2 superinvestors hold GPK, 4 members of Congress have traded it, and 5 insider buys are on record.
Notable holders include David Einhorn and Ray Dalio. Active congressional traders include Ro Khanna, Lisa McClain, and Rob Bresnahan.
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