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© 2026 DataHeimdall. All rights reserved.Data sourced from SEC EDGAR public filings.
Insider Trades

CMCSA

COMCAST CORP

Superinvestors

Institutional investors holding CMCSA

Consensus →
InvestorFundWeightSharesValueQuarter
Stephen MandelLone Pine Capital6.10%32,595,590$1.3B2017Q3
John ArmitageEgerton Capital4.33%16,274,833$910.3M2021Q3
Viking Global InvestorsViking Global Investors2.41%19,818,985$743.8M2024Q4
David KatzMatrix Asset Advisors2.38%903,971$26.0M2026Q1
Torray FundsTorray Investment Partners2.34%555,067$15.9M2026Q1
Chris HohnTCI Fund Management2.26%11,897,380$406.5M2018Q1
Valley Forge Capital ManagementValley Forge Capital Management1.97%326,690$5.9M2010Q3
Hillman Capital ManagementHillman Value Fund1.90%95,228$2.7M2026Q1
Dodge & CoxDodge & Cox1.78%113,108,244$3.2B2026Q1
Mario CibelliMarathon Partners1.69%147,500$4.8M2018Q2
Chase ColemanTiger Global Management1.59%5,020,000$201.1M2017Q4
First Eagle Investment ManagementFirst Eagle Investment Management1.44%37,780,637$1.1B2026Q1
Kopernik Global InvestorsKopernik Global Investors1.30%649,213$18.6M2026Q1
Thomas GaynerMarkel Group1.13%904,800$21.9M2007Q3
Bill NygrenOakmark Select Fund – Harris Associates1.01%26,448,063$759.3M2026Q1
Thomas RussoGardner Russo & Quinn0.76%2,253,106$64.7M2026Q1
Daniel LoebThird Point0.70%2,000,000$100.7M2021Q4
David TepperAppaloosa Management0.68%902,888$48.5M2014Q2
Yacktman Asset ManagementYacktman Asset Management0.45%1,167,500$33.5M2026Q1
Wallace WeitzWeitz Investment Management0.09%47,000$1.3M2026Q1
Tweedy Browne Co.Tweedy Browne Value Fund0.07%31,496$904K2026Q1
Kahn Brothers GroupKahn Brothers Group0.04%7,169$206K2026Q1
Meridian / ArrowMarkMeridian Contrarian Fund0.02%25,000$718K2026Q1
Glenn GreenbergBrave Warrior Advisors0.02%31,094$893K2026Q1
Bruce BerkowitzFairholme Capital0.02%139,018$2.4M2010Q2
Christopher DavisDavis Selected Advisers0.01%0$7.9M2005Q4
Mason HawkinsLongleaf Partners – Southeastern Asset Management0.01%9,531$333K2022Q4
Richard PzenaPzena Investment Management0.00%5,135$201K2024Q2
Kenneth FisherFisher Asset Management0.00%36,023$1.0M2026Q1
Mairs & PowerMairs & Power Growth Fund0.00%7,600$239K2025Q3

Congressional Activity

Congressional data coming soon

Insider Activity

4

Total trades

$58K

Volume

2

Buys

1

Sells

Last trade: Apr 3, 2026

Insider Tradeslast 90 days

DateInsiderTypeValue
Apr 3, 2026Daniel C. MurdockOption–
Apr 3, 2026Daniel C. MurdockSell$58K

Congressional Tradeslast 90 days

Congressional trade data is being sourced and will appear here shortly.

Mar 31, 2026
Edward D Breen
Buy
–
Mar 31, 2026Thomas J Baltimore JrBuy–