CMCSA: Comcast Corp. insider trading, 5% holders and institutional ownership

From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.

Insider trading

0 open-market buys totaling - and 0 sales totaling - in the last 180 days.

Activist and 5% holders

FiledWhatHolderStakeChangeFiling
2026-08-12Fell below 5%Capital World Investors3.00%SEC

Institutional ownership (Q2 2026)

1,906 institutions reported holding $75.47B of Comcast Corp. on Form 13F (2,061 the quarter before). 134 opened a new position and 289 sold out. Shares held by institutions: +1%.

Largest holdersSharesValue
BlackRock, Inc.313,212,228$7.69B
VANGUARD CAPITAL MANAGEMENT LLC232,645,894$5.71B
STATE STREET CORP195,059,449$4.79B
CHARLES SCHWAB INVESTMENT MANAGEMENT INC133,095,082$3.27B
Invesco Ltd.125,126,243$3.07B
Capital Research Global Investors116,113,743$2.85B
Dodge & Cox115,903,125$2.85B
Capital World Investors104,629,299$2.57B
GEODE CAPITAL MANAGEMENT, LLC89,530,463$2.19B
VANGUARD PORTFOLIO MANAGEMENT LLC80,039,893$1.96B

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