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

COMCAST CORP-CLASS A (CMCSA) is widely held by institutional investors, with 14 tracked firms reporting positions valued at approximately $5.60B based on SEC Form 13F filings for the quarter ended March 31, 2026.

Dodge & Cox Stock Fund is the largest disclosed holder, reporting approximately $3.25B in CMCSA holdings in its latest filing.

Institutional ownership among tracked investors remains highly concentrated, with Dodge & Cox Stock Fund representing the majority of disclosed value.

Recent insider activity includes 9 tracked Form 4 transactions over the last three months, reflecting ongoing executive and director trading activity.