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
Q2 2021Mairs & Power Growth FundSell-2,7655,747$328
Q2 2021Matrix Private Capital GroupSell-1,5604,540$259
Q2 2021Kahn Brothers GroupSell-7835,398$307,794
Q2 2021Torray FundSell-444319,492$18,217
Q2 2021Hillman Value FundSell-74,140$236
Q1 2021Dodge & Cox Stock FundBuy5,060,03285,200,743$4,610,212
Q1 2021Renaissance Technologies LLCSell-4,297,100605,676$32,773
Q1 2021Eagle Capital ManagementSell-3,817,43638,126,345$2,063,017
Q1 2021Egerton Capital UKSell-1,167,3659,450,636$511,374
Q1 2021Parnassus Endeavor FundBuy442,08922,092,441$1,195,422
Q1 2021Sound Shore ManagementSell-414,2451,666,028$90,149
Q1 2021First Eagle U.S. ValueSell-201,28430,181,068$1,633,098
Q1 2021Longleaf PartnersSell-199,6184,652,977$251,772
Q1 2021Gardner Russo & QuinnSell-183,6575,531,300$299,299
Q1 2021Torray FundBuy45,310319,936$17,312
Q1 2021Matrix Advisors Value FundBuy35,601324,198$17,542
Q1 2021Yacktman Asset ManagementBuy18,1001,524,200$82,474
Q1 2021Sequoia Financial AdvisorsBuy7,877182,894$9,896
Q1 2021Tweedy, Browne Co All Funds (US)Sell-3,0851,145,598$61,988
Q1 2021Matrix Private Capital GroupSell-1006,100$330
Q1 2021Hillman Value FundSell-824,147$224
Q1 2021Mairs & Power Growth FundSell-418,512$461
Q4 2020Trian Fund ManagementBuy4,229,74619,857,892$1,040,554
Q4 2020Dodge & Cox Stock FundSell-3,403,03380,140,711$4,199,373
Q4 2020Eagle Capital ManagementSell-2,135,64641,943,781$2,197,854
Q4 2020Torray FundBuy236,746274,626$14,390
Q4 2020Parnassus Endeavor FundBuy214,48321,650,352$1,134,478
Q4 2020Yacktman Asset ManagementBuy6,4641,506,100$78,920
Q4 2020Matrix Private Capital GroupBuy1,6966,200$325
Q4 2020Hillman Value FundSell-5624,229$222

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.

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