Comcast Ownership | Who Owns Comcast?

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Comcast Ownership Summary

Comcast is owned by 90.30% institutional investors, 0.75% insiders, and 8.96% retail investors. Vanguard group is the largest institutional shareholder, holding 10.16% 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	90.30%	0.75%	8.96%
Sector	Communication Services Stocks	42.83%	17.94%	39.23%
Industry	Telecom Stocks	43.93%	14.91%	41.16%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	369.31M	10.16%	$11.04B
Blackrock funding, inc. /de	313.21M	8.66%	$7.69B
Blackrock	321.14M	8.11%	$12.58B
Vanguard capital management	232.65M	6.43%	$5.71B
State street	195.06M	5.39%	$4.79B
Charles schwab investment management	133.10M	3.68%	$3.27B
Sixth street partners management company	133.10M	3.68%	$3.27B
Invesco	125.13M	3.46%	$3.07B
Capital research global investors	116.11M	3.21%	$2.85B
Dodge & cox	115.90M	3.20%	$2.85B

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Silver rock financial lp	611.50K	32.37%	$15.01M
Goldentree asset management lp	12.90M	18.39%	$316.29M
Hall kathryn a.	344.28K	5.83%	$10.82M
Metropolis capital	9.31M	5.58%	$202.48M
Voyager global management lp	6.00M	5.52%	$188.52M
Aryeh capital management	207.81K	5.46%	$6.53M
Rwc asset management llp	6.60M	5.32%	$143.63M
Round hill asset management	306.58K	4.73%	$7.53M
Kiltearn partners llp	784.03K	4.67%	$19.25M
Bryn mawr trust	8.04M	3.99%	$175.02M

Top Buyers

Holder	Shares	% Assets	Change
Sixth street partners management company	133.10M	0.43%	133.10M
Norges bank	76.54M	0.19%	76.54M
Invesco	125.13M	0.24%	49.81M
Arrowstreet capital, limited partnership	52.31M	0.57%	39.94M
Capital research global investors	116.11M	0.40%	26.54M

Top Sellers

Holder	Shares	% Assets	Change
Capital world investors	104.63M	0.30%	-77.51M
Eagle capital management	268.12K	0.02%	-37.31M
Jpmorgan chase	36.98M	0.05%	-26.26M
Viking global investors lp	-	-	-19.82M
Harris associates l p	7.17M	0.23%	-19.27M

New Positions

Holder	Shares	% Assets	Change	Value
Sixth street partners management company	133.10M	0.43%	133.10M	$3.27B
Norges bank	76.54M	0.19%	76.54M	$1.88B
Carronade capital management, lp	8.30M	3.53%	8.30M	$203.74M
Two sigma investments, lp	4.90M	0.09%	4.90M	$120.29M
Axa investment managers	1.97M	0.17%	1.97M	$61.81M

Sold Out

Holder	Change
Innealta capital	-1.00
Burns matteson capital management	-2.00
Halbert hargrove global advisors	-6.00
Tfo-tdc	-12.00
Tripletail wealth management	-14.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2026	1,957	-7.78%	3,266,015,358	5.30%	90	1.24%	829	-23.03%	873	16.40%
Mar 31, 2026	1,755	-19.31%	2,098,156,733	-30.78%	57	0.83%	911	2.94%	608	-40.57%
Dec 31, 2025	1,665	-25.07%	2,268,715,607	-23.67%	62	1.00%	642	-26.38%	825	-19.20%
Sep 30, 2025	2,147	-8.48%	2,954,988,080	-1.85%	78	1.22%	842	-15.80%	982	-5.30%
Jun 30, 2025	2,308	-4.47%	3,104,727,252	1.84%	82	1.25%	988	-5.45%	1,013	-3.62%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard US Total Market Shares ETF	122.37M	3.24%	-1.62M
Vanguard Morn Total Stk Mkt Idx Investor	113.12M	3.19%	-1.08M
Vanguard Total Stock Mkt Idx Inv	113.12M	3.17%	-1.08M
Vanguard MStar Total Stk Mkt Idx Invest	112.34M	3.17%	-889.89K
Vanguard Institutional 500 Index Trust	107.27M	2.87%	750.53K
Schwab US Dividend Equity ETF™	98.43M	2.77%	273.06K
Vanguard 500 Index Investor	92.94M	2.62%	-1.70M
American Funds Invmt Co of Amer A	80.12M	2.26%	28.90M
Dodge & Cox Stock I	75.42M	2.13%	-
Invesco QQQ Trust	73.92M	2.08%	-120.54K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Mar 05, 2026	Armstrong Jason	CFO	Sell	$142.62K
Feb 11, 2026	Cavanagh Michael J	Co-CEO	Sell	$1.89M
Feb 03, 2026	NAKAHARA ASUKA	-	Sell	$245.77K
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

Insider Transactions Trends

Date	Buy	Sell
2026 Q3	-	-
2026 Q2	-	-
2026 Q1	-	3
2025 Q4	-	-
2025 Q3	-	-

CMCSA Ownership FAQ

Who Owns Comcast?

Comcast shareholders are primarily institutional investors at 90.30%, followed by 0.75% insiders and 8.95% retail investors. The average institutional ownership in Comcast's industry, Telecom Stocks , is 43.93%, which Comcast exceeds.

Who owns the most shares of Comcast?

Comcast’s largest shareholders are Vanguard group (369.31M shares, 10.16%), Blackrock funding, inc. /de (313.21M shares, 8.66%), and Blackrock (321.14M shares, 8.11%). Together, they hold 26.93% 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?

Silver rock financial lp is Comcast’s biggest shareholder by percentage of total assets invested, with 32.37% of its assets in 611.5K Comcast shares, valued at 15.01M$.

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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