Company · Ownership research

COMCAST CORP CMCSA

CIK 0001166691 · CUSIP 20030N101

Insider trading Initial holdings Institutional holders

Quarter-end disclosures, not live holdings.

Several CUSIPs are reported for this company; this page shows CUSIP 20030N101 (CMCSA), not CUSIP 20030N901 (CMCSA), CUSIP 20030N951 (CMCSA), and does not merge CUSIPs.

This page lists the top 20 of 1,004 rows by value; the complete set is available through the API.

Some filings reported values in thousands; those figures were scaled ×1,000 to dollars.

Top 20 institutions

Weight means this stock's share of the manager's own portfolio.

By reported value

#	Manager	Value	Manager weight	Change vs prior	Source
01	GEODE CAPITAL MANAGEMENT, LLC CIK 1214717 · View history	$2.04B 94,227,161 shares	0.11%	+4.70M(+5.20%)Added	SEC filing ↗ Nov 6, 2026	▾
02	DIMENSIONAL FUND ADVISORS LP CIK 354204 · View history	$659.88M 30,327,358 shares	0.12%	+1.42M(+4.90%)Added	SEC filing ↗ Nov 4, 2026	▾
03	Bank of New York Mellon Corp CIK 1390777 · View history	$606.29M 27,862,500 shares	0.10%	-282.50K(-1.00%)Reduced	SEC filing ↗ Nov 5, 2026	▾
04	DEUTSCHE BANK AG\ CIK 948046 · View history	$325.85M 14,974,744 shares	0.09%	-935.14K(-5.90%)Reduced	SEC filing ↗ Nov 6, 2026	▾
05	BARCLAYS PLC CIK 312069 · View history	$310.50M 14,269,097 shares	0.10%	+4.71M(+49.30%)Added	SEC filing ↗ Nov 6, 2026	▾
06	LSV ASSET MANAGEMENT CIK 1050470 · View history	$307.03M 14,109,856 shares	0.57%	-361.54K(-2.50%)Reduced	SEC filing ↗ Nov 6, 2026	▾
07	Amundi CIK 1330387 · View history	$256.97M 11,809,148 shares	0.05%	+315.20K(+2.70%)Added	SEC filing ↗ Nov 6, 2026	▾
08	Rothschild & Co Wealth Management UK Ltd CIK 1784260 · View history	$244.70M 11,245,630 shares	3.41%	-56.95K(-0.50%)Reduced	SEC filing ↗ Oct 20, 2026	▾
09	Sumitomo Mitsui Trust Group, Inc. CIK 1475365 · View history	$229.19M 10,532,799 shares	0.13%	-214.04K(-2.00%)Reduced	SEC filing ↗ Oct 29, 2026	▾
10	Robeco Institutional Asset Management B.V. CIK 1418773 · View history	$209.65M 9,634,612 shares	0.25%	+2.46M(+34.40%)Added	SEC filing ↗ Oct 20, 2026	▾
11	Mitsubishi UFJ Asset Management Co., Ltd. CIK 1466546 · View history	$207.49M 9,535,366 shares	0.11%	+502.47K(+5.60%)Added	SEC filing ↗ Nov 5, 2026	▾
12	Metropolis Capital Ltd CIK 1765388 · View history	$202.48M 9,305,174 shares	5.58%	-11.78K(-0.10%)Reduced	SEC filing ↗ Oct 20, 2026	▾
13	CITIGROUP INC CIK 831001 · View history	$193.22M 8,879,500 shares	0.09%	-538.97K(-5.70%)Reduced	SEC filing ↗ Nov 4, 2026	▾
14	Wilmington Savings Fund Society, FSB CIK 900974 · View history	$175.02M 8,043,257 shares	3.99%	-5.31K(-0.10%)Reduced	SEC filing ↗ Oct 23, 2026	▾
15	MACKENZIE FINANCIAL CORP CIK 919859 · View history	$145.87M 6,703,446 shares	0.16%	+1.82M(+37.20%)Added	SEC filing ↗ Nov 2, 2026	▾
16	Russell Investments Group, Ltd. CIK 1692234 · View history	$144.32M 6,635,693 shares	0.11%	-583.65K(-8.10%)Reduced	SEC filing ↗ Nov 6, 2026	▾
17	RWC Asset Management LLP CIK 1520478 · View history	$143.63M 6,600,472 shares	5.32%	-46.10K(-0.70%)Reduced	SEC filing ↗ Oct 22, 2026	▾
18	Mirae Asset Global Investments Co., Ltd. CIK 1569395 · Amended · View history	$135.21M 6,213,573 shares	0.24%	+713.86K(+13.00%)Added	SEC filing ↗ Oct 29, 2026	▾
19	Nykredit A/S CIK 1847328 · View history	$123.28M 5,665,367 shares	0.45%	+63.93K(+1.10%)Added	SEC filing ↗ Nov 6, 2026	▾
20	DAVENPORT & Co LLC CIK 887777 · View history	$107.17M 4,933,267 shares	0.55%	+178.18K(+3.70%)Added	SEC filing ↗ Oct 14, 2026	▾

Showing 20 / 1,004 institutions. The complete set is available through the API.

Coverage & totals by quarter

Reporting institutions

1,004

Cancelled or null records excluded

Disclosed shares

482,362,106

Not deduplicated across managers

Disclosed value

$10.49B

Not market cap or free float

Reporting institutions by quarter

Counts also change with data coverage and reporting entities; they do not measure net buying. Distinct managers with a live stock row in this CUSIP; totals may include overlapping filings and are not a share of the company.

COMCAST CORP · Q3 2026

Explore all 1,004 reporting institutions.

This page includes 20 of 1,004 reporting institutions. Log in to look up the full history beyond 3 years, use advanced screening & filtering, download CSV, and get the complete set through the Akkru API.

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Figures are as reported to the SEC and merged with later amendments where Akkru could match them. Preview limits apply to what is listed, not to the totals, which come from the complete reported data. Nothing is zero-filled: a missing quarter or month is shown as missing.