Last updated Aug 4, 2026
GRMN (GRMN) is a publicly traded company. This page tracks every superinvestor 13F holding, congressional stock trade, and Form 4 insider transaction in GRMN. Across our datasets, 2 superinvestors hold GRMN and 3 members of Congress have traded it.
Notable holders include Cathie Wood and Christopher Bloomstran. Active congressional traders include Ro Khanna, Kathy Manning, and Tommy Tuberville.
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