Last updated Aug 4, 2026
AUTOMATIC DATA PROCESSING INC (ADP) is a publicly traded company. This page tracks every superinvestor 13F holding, congressional stock trade, and Form 4 insider transaction in ADP. Across our datasets, 4 superinvestors hold ADP, 11 members of Congress have traded it, and 1 insider buys are on record.
Notable holders include Terry Smith, Mairs & Power, and Polen Capital. Active congressional traders include Ro Khanna, Michael McCaul, and Scott Franklin.
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