COMCAST CORP-CLASS A (CMCSA) Institutional Ownership and Insiders Activity

COMCAST CORP-CLASS A (CMCSA) is widely held by institutional investors, with 1841 firms reporting positions valued at approximately $78.75B based on SEC Form 13F filings for the quarter ended June 30, 2026.

Blackrock, Inc. is the largest disclosed holder, reporting approximately $7.69B in CMCSA holdings in its latest filing.

Recent insider activity includes 7 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.