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 13F filings (Q1 2026). 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 2022Viking Global InvestorsSell-134,42314,078,668$659,163
Q1 2022Dodge & Cox Stock FundBuy116,32584,782,490$3,969,516
Q1 2022Matrix Advisors Value FundBuy72,636600,383$28,110
Q1 2022Yacktman Asset ManagementSell-41,2501,475,200$69,069
Q1 2022Sequoia Financial AdvisorsBuy16,870215,602$10,095
Q1 2022Tweedy, Browne Co All Funds (US)Sell-5,9191,052,834$49,294
Q1 2022Hillman Value FundBuy1,74110,800$506
Q1 2022Disciplined Growth InvestorsSell-1,5247,268$340
Q1 2022Mairs & Power Growth FundBuy7126,800$318
Q1 2022Matrix Private Capital GroupSell-3065,095$239
Q4 2021Viking Global InvestorsBuy4,036,46814,213,091$715,345
Q4 2021Longleaf PartnersSell-2,494,3869,531$480
Q4 2021Third PointBuy2,000,0002,000,000$100,660
Q4 2021Dodge & Cox Stock FundBuy958,09184,666,165$4,261,248
Q4 2021Eagle Capital ManagementSell-890,70527,974,681$1,407,966
Q4 2021Gardner Russo & QuinnSell-157,8445,031,770$253,249
Q4 2021Sequoia Financial AdvisorsBuy150,375198,732$10,002
Q4 2021Renaissance Technologies LLCBuy142,200747,876$37,641
Q4 2021Parnassus Endeavor FundBuy140,83924,843,317$1,250,364
Q4 2021Matrix Advisors Value FundBuy114,325527,747$26,562
Q4 2021Tweedy, Browne Co All Funds (US)Sell-63,0941,058,753$53,287
Q4 2021First Eagle U.S. ValueSell-55,42129,394,424$1,479,421
Q4 2021Olstein Capital ManagementBuy27,000195,000$9,814
Q4 2021Disciplined Growth InvestorsBuy8,7928,792$443
Q4 2021Yacktman Asset ManagementBuy7,0001,516,450$76,323
Q4 2021Torray FundBuy2,005321,979$16,205
Q4 2021Matrix Private Capital GroupBuy5775,401$272
Q4 2021Hillman Value FundSell-5529,059$456
Q4 2021Mairs & Power Growth FundBuy4916,088$306
Q3 2021Egerton Capital UKBuy6,130,33316,274,833$910,251

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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