COMCAST CORP-CLASS A (CMCSA) Institutional Ownership Changes & 13F Activity

COMCAST CORP-CLASS A (CMCSA). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC, Eagle Capital Management, First Eagle U.S. Value, Matrix Advisors Value Fund, and Torray Fund.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Renaissance Technologies LLCSell-5,772,200788,376$22,634,275
Q1 2026Eagle Capital ManagementSell-2,335,21237,575,087$1,078,780,757
Q1 2026First Eagle U.S. ValueBuy1,608,69237,780,637$1,084,682,099
Q1 2026Matrix Advisors Value FundBuy303,670903,971$25,952,999
Q1 2026Torray FundBuy233,088555,067$15,935,974
Q1 2026Dodge & Cox Stock FundBuy140,730113,108,244$3,247,337,685
Q1 2026Sequoia Financial AdvisorsBuy55,737597,819$17,163,392
Q1 2026Cullen Value FundBuy54,960304,514$8,743,260
Q1 2026Gardner Russo & QuinnSell-47,0912,253,106$64,686,661
Q1 2026Yacktman Asset ManagementBuy6,0001,167,500$33,518,925
Q1 2026Hillman Value FundBuy4,36795,228$2,733,996
Q1 2026Kahn Brothers GroupBuy1447,169$205,821
Q4 2025Eagle Capital ManagementSell-2,626,31939,910,299$1,192,918,837
Q4 2025Renaissance Technologies LLCSell-403,8006,560,576$196,095,617
Q4 2025Dodge & Cox Stock FundBuy399,596112,967,514$3,376,598,993
Q4 2025Matrix Advisors Value FundSell-246,396600,301$17,942,988
Q4 2025First Eagle U.S. ValueBuy245,27136,171,945$1,081,179,447
Q4 2025Gardner Russo & QuinnSell-145,5142,300,197$68,752,881
Q4 2025Sequoia Financial AdvisorsBuy104,483542,082$16,202,835
Q4 2025Cullen Value FundBuy59,553249,554$7,079,853
Q4 2025Yacktman Asset ManagementSell-7,5001,161,500$34,717,235
Q4 2025Hillman Value FundSell-2,13390,861$2,715,835
Q4 2025Kahn Brothers GroupBuy6457,025$209,977
Q3 2025Renaissance Technologies LLCBuy6,052,9236,964,376$218,820,694
Q3 2025Dodge & Cox Stock FundBuy1,295,598112,567,918$3,536,883,984
Q3 2025Gardner Russo & QuinnSell-112,2552,445,711$76,844,225
Q3 2025Yacktman Asset ManagementSell-74,5001,169,000$36,729,980
Q3 2025Cullen Value FundSell-65,544190,001$5,871,021
Q3 2025Parnassus Endeavor FundBuy55,9172,045,409$64,266,751
Q3 2025Matrix Advisors Value FundBuy23,887846,697$26,603,232

Frequently asked questions about CMCSA activity

  • Which institutional owners are buying CMCSA?

    Institutional owners buying CMCSA include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in CMCSA activity?

    "Buy" means an investor increased their reported position in CMCSA compared to the prior reporting period. This reflects growing exposure to COMCAST CORP-CLASS A (CMCSA) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in CMCSA increasing?

    Institutional interest in CMCSA can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.