Last updated Aug 21, 2026
COMCAST CORP (CMCSA) is a publicly traded company. This page tracks every superinvestor 13F holding, congressional stock trade, and Form 4 insider transaction in CMCSA. Across our datasets, 9 superinvestors hold CMCSA and 23 members of Congress have traded it.
Notable holders include Steven Romick, Thomas Russo, and Donald Yacktman. Active congressional traders include Ro Khanna, Michael McCaul, and Jefferson Shreve.
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