Comcast Ownership | Who Owns Comcast?

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Comcast Ownership Summary

Comcast is owned by 82.66% institutional investors, 0.75% insiders, and 16.59% retail investors. Vanguard group is the largest institutional shareholder, holding 9.57% of CMCSA shares. Vanguard US Total Market Shares ETF is the top mutual fund, with 3.24% of its assets in Comcast shares.

CMCSA Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Comcast	82.66%	0.75%	16.59%
Sector	Communication Services Stocks	46.39%	16.16%	37.45%
Industry	Telecom Stocks	40.18%	12.97%	46.85%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	369.53M	9.57%	$13.87B
Blackrock	321.14M	8.11%	$12.58B
Blackrock funding, inc. /de	302.04M	8.04%	$10.78B
State street	167.73M	4.37%	$6.29B
Capital world investors	128.81M	3.43%	$4.60B
Fmr	116.94M	3.03%	$4.39B
Dodge & cox	111.27M	2.96%	$3.97B
Norges bank	102.19M	2.65%	$3.84B
Geode capital management	85.81M	2.22%	$3.21B
Jpmorgan chase	81.89M	2.12%	$3.07B

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Mediatel partners	5.82M	87.51%	$207.82M
Voyager global management lp	7.30M	10.94%	$273.97M
Kiltearn partners llp	1.06M	7.60%	$37.78M
Metropolis capital	6.46M	7.32%	$230.73M
Rothschild & co wealth management uk	10.94M	7.21%	$410.70M
Hall kathryn a.	344.28K	6.81%	$12.29M
Bislett management	250.00K	6.10%	$8.92M
Round hill asset management	251.32K	6.06%	$8.97M
Aryeh capital management	207.81K	5.81%	$7.42M
First pacific advisors, lp	11.09M	5.66%	$395.86M

Top Buyers

Holder	Shares	% Assets	Change
Norges bank	102.19M	0.50%	102.19M
Blackrock	321.14M	0.28%	18.30M
Dodge & cox	111.27M	2.23%	17.05M
Ameriprise financial	50.32M	0.48%	5.40M
Ubs asset management americas	35.36M	0.31%	4.99M

Top Sellers

Holder	Shares	% Assets	Change
Viking global investors lp	-	-	-19.82M
Capital world investors	128.81M	0.67%	-19.05M
Capital research global investors	23.07M	0.16%	-14.87M
Ontario teachers pension plan board	-	-	-9.03M
Darsana capital partners lp	-	-	-8.00M

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	102.19M	0.50%	102.19M	$3.84B
Glenmede investment management, lp	1.52M	0.27%	1.52M	$54.15M
Fjarde ap-fonden (the fourth swedish national pensionfund)	942.79K	0.42%	942.79K	$36.92M
Madison investment advisors	599.39K	0.25%	599.39K	$22.50M
Digitalbridge group	495.88K	1.74%	495.88K	$17.70M

Sold Out

Holder	Change
Innealta capital	-1.00
Tfo-tdc	-12.00
Westend capital management	-18.00
Sugar maple asset management	-20.00
Greenline partners	-24.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2025	2,308	-4.47%	3,104,727,252	1.84%	82	1.25%	988	-5.45%	1,013	-3.62%
Mar 31, 2025	2,383	-4.76%	3,043,414,959	-4.82%	81	1.17%	1,027	-3.30%	1,042	-6.80%
Dec 31, 2024	2,314	-4.58%	3,012,306,078	-3.69%	78	1.19%	948	-7.69%	1,069	0.85%
Sep 30, 2024	2,394	-0.04%	3,107,057,150	-4.25%	80	1.17%	1,018	1.70%	1,043	-4.49%
Jun 30, 2024	2,349	-5.70%	3,238,282,872	-0.50%	81	1.21%	983	-12.70%	1,069	4.09%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard US Total Market Shares ETF	122.37M	3.24%	-1.62M
Vanguard Total Stock Mkt Idx Inv	116.97M	3.17%	-2.72M
Vanguard Institutional 500 Index Trust	107.27M	2.87%	750.53K
Vanguard 500 Index Investor	92.18M	2.50%	-13.50M
Invesco QQQ Trust	76.41M	2.07%	-47.89K
Dodge & Cox Stock I	74.59M	2.00%	12.78M
Capital Group Wash Mutual Invtrs Comp	59.90M	1.60%	-
American Funds Washington Mutual A	59.90M	1.60%	-
Fidelity 500 Index	47.19M	1.28%	-394.28K
SPDR® S&P 500 ETF	46.91M	1.24%	-1.25M

Recent Insider Transactions

Date	Name	Role	Activity	Value
Nov 27, 2024	ROBERTS BRIAN L	Chairman of Board & CEO	Sell	$10.06M
Nov 26, 2024	ROBERTS BRIAN L	Chairman of Board & CEO	Sell	$10.00M
Nov 26, 2024	Cavanagh Michael J	President	Sell	$1.09M
Nov 26, 2024	Cavanagh Michael J	President	Sell	$4.58M
Nov 22, 2024	BACON KENNETH J	-	Sell	$625.09K

Insider Transactions Trends

Date	Buy	Sell
2025 Q3	-	-
2025 Q2	-	-
2025 Q1	-	-
2024 Q4	-	7
2024 Q3	-	-

CMCSA Ownership FAQ

Who Owns Comcast?

Comcast shareholders are primarily institutional investors at 82.66%, followed by 0.75% insiders and 16.59% retail investors. The average institutional ownership in Comcast's industry, Telecom Stocks , is 40.18%, which Comcast exceeds.

Who owns the most shares of Comcast?

Comcast’s largest shareholders are Vanguard group (369.53M shares, 9.57%), Blackrock (321.14M shares, 8.11%), and Blackrock funding, inc. /de (302.04M shares, 8.04%). Together, they hold 25.72% of Comcast’s total shares outstanding.

Does Blackrock own Comcast?

Yes, BlackRock owns 8.11% of Comcast, totaling 321.14M shares as of Jun 2024. This represents 0.28% of BlackRock's total assets, with a market value of 12.58B$. In the last quarter, BlackRock increased its holdings by 18.3M shares, a 6.04% change.

Who is Comcast’s biggest shareholder by percentage of total assets invested?

Mediatel partners is Comcast’s biggest shareholder by percentage of total assets invested, with 87.51% of its assets in 5.82M Comcast shares, valued at 207.82M$.

Who is the top mutual fund holder of Comcast shares?

Vanguard US Total Market Shares ETF is the top mutual fund holder of Comcast shares, with 3.24% of its total shares outstanding invested in 122.37M Comcast shares.

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