Comcast Corp. (CMCSA): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in CMCSA · Communication Services. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
48
13F filers
Aggregate Value
$7.2B
Across holders
Last Price
$27.02
2026-08-24
Sector
Communication Services
GICS
Quarterly fund activity26 increased20 reduced4 exited
Full exits: VOLORIDGE INVESTMENT MANAGEMENT, LLC, RENAISSANCE TECHNOLOGIES LLC, Holocene Advisors, LP, SOROS FUND MANAGEMENT LLC
Institutional Holders of CMCSA
48 holders
ManagerTypeSharesMarket Value% of Total% of PortfolioActionQoQ ChangeQuarter
DODGE & COX
CIK 0000200217
Institutional Manager115.90M$2.8B39.7%1.5%Added+$68.6MQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund52.31M$1.3B17.9%0.6%Added+$980.5MQ2 2026
First Eagle Investment Management, LLC
CIK 0001325447
Institutional Manager38.17M$937.1M13.1%1.6%Added$-884.2MQ2 2026
Clearbridge Investments, LLC
CIK 0001348883
Hedge Fund17.22M$422.7M5.9%0.3%Added$-398.7MQ2 2026
JUPITER ASSET MANAGEMENT LTD
CIK 0001215838
Hedge Fund9.15M$224.6M3.1%1.1%Added$-65.1MQ2 2026
Man Group plc
CIK 0001637460
Hedge Fund7.30M$179.2M2.5%0.3%Added+$127.8MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund7.35M$178.8M2.5%0.1%Reduced+$178.7MQ2 2026
HARRIS ASSOCIATES L P
CIK 0000813917
Institutional Manager7.17M$176.1M2.5%0.2%Reduced+$149.3MQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund5.25M$128.8M1.8%0.0%Added$-34.1MQ2 2026
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund4.90M$120.3M1.7%0.1%Added+$119.3MQ2 2026
DODGE & COXAdded
Institutional Manager
$2.8B· 39.7% of total· 1.5% port· 115.90M sh· +$68.6M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$1.3B· 17.9% of total· 0.6% port· 52.31M sh· +$980.5M QoQ· Q2 2026
First Eagle Investment Management, LLCAdded
Institutional Manager
$937.1M· 13.1% of total· 1.6% port· 38.17M sh· $-884.2M QoQ· Q2 2026
Clearbridge Investments, LLCAdded
Hedge Fund
$422.7M· 5.9% of total· 0.3% port· 17.22M sh· $-398.7M QoQ· Q2 2026
JUPITER ASSET MANAGEMENT LTDAdded
Hedge Fund
$224.6M· 3.1% of total· 1.1% port· 9.15M sh· $-65.1M QoQ· Q2 2026
Man Group plcAdded
Hedge Fund
$179.2M· 2.5% of total· 0.3% port· 7.30M sh· +$127.8M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$178.8M· 2.5% of total· 0.1% port· 7.35M sh· +$178.7M QoQ· Q2 2026
HARRIS ASSOCIATES L PReduced
Institutional Manager
$176.1M· 2.5% of total· 0.2% port· 7.17M sh· +$149.3M QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$128.8M· 1.8% of total· 0.0% port· 5.25M sh· $-34.1M QoQ· Q2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$120.3M· 1.7% of total· 0.1% port· 4.90M sh· +$119.3M QoQ· Q2 2026
ADAGE CAPITAL PARTNERS GP, L.L.C.Reduced
Hedge Fund
$68.1M· 1.0% of total· 0.1% port· 2.78M sh· $-3.4M QoQ· Q2 2026
Point72 Asset Management, L.P.Added
Hedge Fund
$65.8M· 0.9% of total· 0.1% port· 2.68M sh· +$63.9M QoQ· Q2 2026
Davidson Kempner Capital Management LPAdded
Hedge Fund
$53.7M· 0.7% of total· 0.6% port· 2.19M sh· +$25.5M QoQ· Q2 2026
PineBridge Investments, L.P.Added
Hedge Fund
$52.2M· 0.7% of total· 0.4% port· 1.66M sh· +$11.0M QoQ· Q3 2025
Rockefeller Capital Management L.P.Added
Hedge Fund
$50.0M· 0.7% of total· 0.1% port· 2.04M sh· $-15.9M QoQ· Q2 2026
MILLENNIUM MANAGEMENT LLCAdded
Hedge Fund
$46.7M· 0.7% of total· 0.0% port· 1.90M sh· +$25.7M QoQ· Q2 2026
Schonfeld Strategic Advisors LLCAdded
Hedge Fund
$46.2M· 0.6% of total· 0.2% port· 1.88M sh· QoQ· Q2 2026
Grantham, Mayo, Van Otterloo & Co. LLCReduced
Institutional Manager
$42.2M· 0.6% of total· 0.1% port· 1.72M sh· $-945K QoQ· Q2 2026
BALYASNY ASSET MANAGEMENT LLCAdded
Hedge Fund
$40.9M· 0.6% of total· 0.1% port· 1.66M sh· +$39.5M QoQ· Q2 2026
YACKTMAN ASSET MANAGEMENT CO/ILAdded
Institutional Manager
$28.7M· 0.4% of total· 0.4% port· 1.17M sh· +$74K QoQ· Q2 2026
HBK INVESTMENTS L PReduced
Hedge Fund
$23.0M· 0.3% of total· 0.2% port· 937K sh· $-3.2M QoQ· Q2 2026
Bridgewater Associates, LPReduced
Hedge Fund
$22.6M· 0.3% of total· 0.1% port· 920K sh· $-6.7M QoQ· Q2 2026
MARKEL CORP (MKL)Reduced
Hedge Fund
$19.7M· 0.3% of total· 0.1% port· 802K sh· $-21.0M QoQ· Q2 2026
Woodline Partners LPAdded
Hedge Fund
$19.1M· 0.3% of total· 0.1% port· 779K sh· +$15.3M QoQ· Q2 2026
Gotham Asset Management, LLCReduced
Hedge Fund
$16.2M· 0.2% of total· 0.0% port· 658K sh· $-688K QoQ· Q2 2026
Verition Fund Management LLCAdded
Hedge Fund
$11.1M· 0.2% of total· 0.1% port· 454K sh· +$10.3M QoQ· Q2 2026
LAKEWOOD CAPITAL MANAGEMENT, LPReduced
Hedge Fund
$10.3M· 0.1% of total· 0.5% port· 421K sh· $-2.0M QoQ· Q2 2026
TUDOR INVESTMENT CORP ET ALReduced
Hedge Fund
$8.5M· 0.1% of total· 0.0% port· 345K sh· +$5.3M QoQ· Q2 2026
SHAW D E & CO INCReduced
Hedge Fund
$7.8M· 0.1% of total· 0.0% port· 318K sh· $-17.3M QoQ· Q2 2026
EAGLE CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$6.6M· 0.1% of total· 0.0% port· 268K sh· $-915.9M QoQ· Q2 2026
CAXTON ASSOCIATES LLPAdded
Hedge Fund
$5.6M· 0.1% of total· 0.1% port· 230K sh· +$2.7M QoQ· Q2 2026
CAPSTONE INVESTMENT ADVISORS, LLCAdded
Hedge Fund
$5.2M· 0.1% of total· 0.0% port· 214K sh· $-3.0M QoQ· Q2 2026
GAMCO INVESTORS, INC. ET ALReduced
Institutional Manager
$5.0M· 0.1% of total· 0.0% port· 205K sh· $-4.5M QoQ· Q2 2026
Squarepoint Ops LLCReduced
Hedge Fund
$4.2M· 0.1% of total· 0.0% port· 170K sh· +$2.5M QoQ· Q2 2026
Brevan Howard Capital Management LPReduced
Hedge Fund
$3.2M· 0.0% of total· 0.0% port· 128K sh· $-20.0M QoQ· Q2 2026
Magnetar Financial LLCAdded
Hedge Fund
$2.2M· 0.0% of total· 0.0% port· 90K sh· +$1.9M QoQ· Q2 2026
FRED ALGER MANAGEMENT, LLCReduced
Hedge Fund
$2.1M· 0.0% of total· 0.0% port· 86K sh· $-1.2M QoQ· Q2 2026
TCW GROUP INCReduced
Hedge Fund
$1.5M· 0.0% of total· 0.0% port· 61K sh· $-18K QoQ· Q2 2026
PRIMECAP MANAGEMENT CO/CA/Unchanged
Institutional Manager
$1.1M· 0.0% of total· 0.0% port· 45K sh· +$0 QoQ· Q2 2026
MARSHALL WACE, LLPAdded
Hedge Fund
$1.0M· 0.0% of total· 0.0% port· 41K sh· $-19.3M QoQ· Q2 2026
Fisher Asset Management, LLCAdded
Institutional Manager
$910K· 0.0% of total· 0.0% port· 37K sh· +$26K QoQ· Q2 2026
TWEEDY BROWNE CO LLC//Reduced
Institutional Manager
$769K· 0.0% of total· 0.1% port· 31K sh· $-4K QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$715K· 0.0% of total· 0.1% port· 30K sh· QoQ· Q2 2026
ArrowMark Colorado Holdings LLCUnchanged
Hedge Fund
$614K· 0.0% of total· 0.0% port· 25K sh· +$0 QoQ· Q2 2026
Ancora Advisors, LLCReduced
Hedge Fund
$307K· 0.0% of total· 0.0% port· 13K sh· $-1.1M QoQ· Q2 2026
Bridgewater Advisors Inc.Reduced
Hedge Fund
$304K· 0.0% of total· 0.0% port· 12K sh· $-98K QoQ· Q2 2026
Walleye Capital LLCAdded
Hedge Fund
$50K· 0.0% of total· 0.0% port· 2K sh· $-1.3M QoQ· Q2 2026
Parallax Volatility Advisers, L.P.Added
Hedge Fund
$2K· 0.0% of total· 0.0% port· 90 sh· QoQ· Q2 2026
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