Comcast Ownership | Who Owns Comcast?

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Comcast Ownership Summary

Comcast is owned by 78.67% institutional investors, 0.73% insiders, and 20.59% retail investors. Vanguard group is the largest institutional shareholder, holding 9.78% 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	78.67%	0.73%	20.59%
Sector	Communication Services Stocks	31.39%	16.65%	51.96%
Industry	Telecom Stocks	30.69%	13.56%	55.75%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	367.15M	9.78%	$11.54B
Blackrock funding, inc. /de	321.62M	8.56%	$10.11B
Blackrock	321.14M	8.11%	$12.58B
State street	180.69M	4.81%	$5.68B
Capital world investors	116.18M	3.09%	$3.65B
Dodge & cox	112.57M	3.00%	$3.54B
Norges bank	102.19M	2.65%	$3.84B
Fmr	96.38M	2.57%	$3.03B
Geode capital management	88.45M	2.35%	$2.77B
Jpmorgan chase	84.34M	2.25%	$2.65B

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Silver rock financial lp	611.50K	27.72%	$19.21M
Metropolis capital	7.43M	7.34%	$233.37M
Kiltearn partners llp	1.08M	6.83%	$34.09M
Goldentree asset management lp	2.03M	6.27%	$63.81M
Hall kathryn a.	344.28K	5.83%	$10.82M
Rothschild & co wealth management uk	11.33M	5.72%	$355.91M
Bislett management	250.00K	5.69%	$7.86M
Voyager global management lp	6.00M	5.52%	$188.52M
Aryeh capital management	207.81K	5.46%	$6.53M
Round hill asset management	255.67K	5.29%	$8.03M

Top Buyers

Holder	Shares	% Assets	Change
Norges bank	102.19M	0.50%	102.19M
Blackrock funding, inc. /de	321.62M	0.18%	19.58M
Blackrock	321.14M	0.28%	18.30M
Capital research global investors	33.71M	0.20%	10.63M
State street	180.69M	0.20%	7.92M

Top Sellers

Holder	Shares	% Assets	Change
Jpmorgan chase	84.34M	0.16%	-20.84M
Viking global investors lp	-	-	-19.82M
Price t rowe associates inc /md/	22.14M	0.07%	-13.19M
Capital world investors	116.18M	0.50%	-12.64M
Ubs asset management americas	27.30M	0.19%	-10.26M

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	102.19M	0.50%	102.19M	$3.84B
Goldentree asset management lp	2.03M	6.27%	2.03M	$63.81M
Axa investment managers	1.97M	0.17%	1.97M	$61.81M
Hrt financial lp	1.11M	0.13%	1.11M	$34.88M
Fjarde ap-fonden (the fourth swedish national pensionfund)	942.79K	0.42%	942.79K	$36.92M

Sold Out

Holder	Change
Innealta capital	-1.00
Tfo-tdc	-12.00
Westend capital management	-18.00
Sugar maple asset management	-20.00
Yankcom partnership	-20.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
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%
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%

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	76.76M	2.08%	532.75K
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	47.21M	1.28%	20.30K
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 Q4	-	-
2025 Q3	-	-
2025 Q2	-	-
2025 Q1	-	-
2024 Q4	-	7

CMCSA Ownership FAQ

Who Owns Comcast?

Comcast shareholders are primarily institutional investors at 78.67%, followed by 0.73% insiders and 20.60% retail investors. The average institutional ownership in Comcast's industry, Telecom Stocks , is 30.69%, which Comcast exceeds.

Who owns the most shares of Comcast?

Comcast’s largest shareholders are Vanguard group (367.15M shares, 9.78%), Blackrock funding, inc. /de (321.62M shares, 8.56%), and Blackrock (321.14M shares, 8.11%). Together, they hold 26.45% 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 27.72% of its assets in 611.5K Comcast shares, valued at 19.21M$.

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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