Comcast Ownership | Who Owns Comcast?

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Comcast Ownership Summary

Comcast is owned by 57.71% institutional investors, 0.75% insiders, and 41.55% 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	57.71%	0.75%	41.55%
Sector	Communication Services Stocks	28.85%	18.19%	52.95%
Industry	Telecom Stocks	27.20%	14.43%	58.38%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	369.31M	10.16%	$11.04B
Blackrock funding, inc. /de	314.99M	8.66%	$9.04B
Blackrock	321.14M	8.11%	$12.58B
State street	182.74M	5.03%	$5.25B
Capital world investors	182.14M	5.01%	$5.23B
Charles schwab investment management	121.56M	3.34%	$3.49B
Dodge & cox	113.11M	3.11%	$3.25B
Capital research global investors	89.57M	2.46%	$2.57B
Geode capital management	88.11M	2.42%	$2.52B
Norges bank	83.59M	2.30%	$2.50B

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Silver rock financial lp	611.50K	35.36%	$17.56M
Goldentree asset management lp	6.52M	11.09%	$186.98M
Metropolis capital	7.59M	7.36%	$217.91B
Rwc asset management llp	6.06M	7.25%	$173.91M
Crabel capital management	26.41K	7.02%	$758.32K
Ranmore fund management	1.78M	6.76%	$51.21M
Kiltearn partners llp	799.96K	6.18%	$22.97M
Hall kathryn a.	344.28K	5.83%	$10.82M
Voyager global management lp	6.00M	5.52%	$188.52M
Round hill asset management	290.63K	5.47%	$8.34M

Top Buyers

Holder	Shares	% Assets	Change
Norges bank	83.59M	0.27%	83.59M
Charles schwab investment management	121.56M	0.53%	82.64M
Capital world investors	182.14M	0.71%	41.80M
Capital research global investors	89.57M	0.40%	33.91M
Vanguard fiduciary trust	20.20M	0.15%	20.20M

Top Sellers

Holder	Shares	% Assets	Change
Viking global investors lp	-	-	-19.82M
Pacer advisors	-	-	-15.68M
Acadian asset management	999.56K	0.04%	-8.78M
Darsana capital partners lp	-	-	-8.00M
Bnp paribas arbitrage, snc	8.85M	0.12%	-7.00M

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	83.59M	0.27%	83.59M	$2.50B
Vanguard fiduciary trust	20.20M	0.15%	20.20M	$579.95M
Vanguard global advisers	8.36M	0.13%	8.36M	$239.93M
Vanguard asset management	7.27M	0.18%	7.27M	$208.71M
Jupiter asset management	6.44M	0.99%	6.44M	$185.02M

Sold Out

Holder	Change
Innealta capital	-1.00
Tfo-tdc	-12.00
Tripletail wealth management	-14.00
Tiff advisory services	-17.00
Sugar maple asset management	-20.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
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%
Mar 31, 2025	2,383	-4.76%	3,043,414,959	-4.82%	81	1.17%	1,027	-3.30%	1,042	-6.80%

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	114.33M	3.20%	343.99K
Vanguard Institutional 500 Index Trust	107.27M	2.87%	750.53K
Vanguard 500 Index Investor	93.03M	2.60%	1.67M
Schwab US Dividend Equity ETF™	82.94M	2.32%	71.54K
Invesco QQQ Trust	76.80M	2.15%	565.02K
Dodge & Cox Stock I	75.42M	2.11%	-
Capital Group Wash Mutual Invtrs Comp	61.95M	1.73%	-
American Funds Washington Mutual A	61.95M	1.72%	-
American Funds Income Fund of Amer A	57.54M	1.60%	16.08M

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 Q2	-	-
2026 Q1	-	3
2025 Q4	-	-
2025 Q3	-	-
2025 Q2	-	-

CMCSA Ownership FAQ

Who Owns Comcast?

Comcast shareholders are primarily institutional investors at 57.71%, followed by 0.75% insiders and 41.54% retail investors. The average institutional ownership in Comcast's industry, Telecom Stocks , is 27.20%, 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 (314.99M 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 35.36% of its assets in 611.5K Comcast shares, valued at 17.56M$.

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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