What is CUSIP 20030N101?

CUSIP 20030N101 is the security identifier used in SEC filing datasets for CMCSA - COMCAST CORP - Common Stock.

Who owns CMCSA - COMCAST CORP - Common Stock based on 13F filings?

2017 institutions reported positions in CMCSA - COMCAST CORP - Common Stock as of Q1 2026. Open the latest holders period and ownership history tables on this page for position-level details.

Security Snapshot

COMCAST CORP - Common Stock (CMCSA) Institutional Ownership

CUSIP: 20030N101

13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026

Latest Period

Q1 2026

Institutions Reporting

2,017

Shares (Excl. Options)

3,052,319,823

Price

$28.71

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Type / Class: Equity / Common Stock
Symbol: CMCSA on Nasdaq
Shares outstanding: 3,611,107,353
Price per share: $27.51
All holders as of 31 Mar 2026: Q1 2026
Total 13F shares: 3,052,319,823
Total reported value: $87,632,811,130
% of total 13F portfolios: 0.05%
Share change: +53,774,549
Value change: +$1,407,172,892
Number of holders: 2,017
Price from insider filings: $27.51

Reported Shares, Excluding Options vs Price

Reported Value, Excluding Options

Total Investors

Key facts

CMCSA - COMCAST CORP - Common Stock is tracked under CUSIP 20030N101.
2017 institutions reported positions in Q1 2026.
3 significant owners is listed from Schedule 13D/13G reporting.

Change

Holder count moved from 2,084 to 2,017 between Q4 2025 and Q1 2026.
Reported value moved from $90,563,475,073 to $87,632,811,130.

Research use

You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 2017 institutions filings for Q1 2026.

Open SEC Evidence

Security key

20030N101

Latest holder period

Q1 2026

13F holders

2,017

13D/G owners

CIK / CUSIP context first

Open Q1 2026 holders CMCSA full holder history COMCAST CORP SEC filings COMCAST CORP company facts COMCAST CORP insider transactions

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

Recent Quarterly Holder Reports

Open recent reporting periods for CUSIP 20030N101:

Q1 2026 (2017 holders) Q4 2025 (2084 holders) Q3 2025 (2138 holders) Q2 2025 (2272 holders) Q1 2025 (2330 holders) Q4 2024 (2428 holders) Q3 2024 (2351 holders) Q2 2024 (2326 holders) Q1 2024 (2419 holders) Q4 2023 (2449 holders)

Significant Owners of COMCAST CORP - Common Stock (CMCSA) based on Schedule 13D/G filings

Filer	Ownership	Holdings Value	Nb Shares	Reporting Name	Report Period
VANGUARD CAPITAL MANAGEMENT LLC	7.5%	$7,747,494,473	269,853,517	Vanguard Capital Management	31 Mar 2026
STATE STREET CORP	5.1%	$5,320,815,018	186,826,370	STATE STREET CORPORATION	31 Dec 2025
Capital World Investors	5.1%	$5,165,869,624	184,166,475	Capital World Investors	31 Mar 2026

As of 31 Mar 2026, 2,017 institutional investors reported holding 3,052,319,823 shares of COMCAST CORP - Common Stock (CMCSA). This represents 85% of the company’s total 3,611,107,353 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of COMCAST CORP - Common Stock (CMCSA) together control 56% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution	Ownership %	Shares Held	Share Change %	Portfolio %	Holdings Value
BlackRock, Inc.	8.7%	314,985,765	-0.25%	0.16%	$9,043,241,311
VANGUARD CAPITAL MANAGEMENT LLC	6.5%	233,154,772	0%	0.17%	$6,693,873,504
STATE STREET CORP	5.1%	182,735,113	-2.2%	0.18%	$5,246,325,094
Capital World Investors	5%	182,141,779	+30%	0.71%	$5,229,504,203
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	3.4%	121,558,654	+212%	0.53%	$3,491,379,019
Dodge & Cox	3.1%	113,108,244	+0.12%	1.8%	$3,247,337,685
Capital Research Global Investors	2.5%	89,574,393	+61%	0.4%	$2,571,689,927
GEODE CAPITAL MANAGEMENT, LLC	2.4%	88,110,009	-2%	0.16%	$2,520,842,753
VANGUARD PORTFOLIO MANAGEMENT LLC	2.1%	76,713,093	0%	0.12%	$2,202,432,900
JPMORGAN CHASE & CO	1.8%	63,236,690	-0.22%	0.12%	$1,827,540,405
FMR LLC	1.7%	60,591,077	-9.7%	0.09%	$1,739,569,841
Invesco Ltd.	1.2%	44,489,802	+2.7%	0.2%	$1,277,302,203
MORGAN STANLEY	1.2%	42,940,885	+3.2%	0.07%	$1,232,832,903
AMERIPRISE FINANCIAL INC	1.2%	42,441,056	+11%	0.28%	$1,218,490,492
BANK OF AMERICA CORP /DE/	1.1%	40,864,921	+10%	0.09%	$1,173,231,888
GOLDMAN SACHS GROUP INC	1.1%	38,782,574	-5.6%	0.15%	$1,113,447,706
First Eagle Investment Management, LLC	1%	37,780,637	+4.4%	1.8%	$1,084,682,099
EAGLE CAPITAL MANAGEMENT LLC	1%	37,575,087	-5.9%	3.6%	$1,078,780,757
NORTHERN TRUST CORP	1%	36,359,424	+0.89%	0.14%	$1,043,879,062
FRANKLIN RESOURCES INC	0.88%	31,636,333	+28%	0.22%	$908,279,108
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	0.86%	31,207,937	+11%	0.19%	$895,979,871
DIMENSIONAL FUND ADVISORS LP	0.82%	29,461,308	+1.8%	0.18%	$845,919,177
Bank of New York Mellon Corp	0.75%	27,245,876	-0.73%	0.14%	$782,229,082
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC	0.74%	26,799,751	-3.5%	2.4%	$769,420,851
HARRIS ASSOCIATES L P	0.73%	26,448,063	-3.7%	1%	$759,323,901

Institutional Holders of COMCAST CORP - Common Stock (CMCSA) across Reporting Periods

Period	Reported Shares, Excl. Options	Value, Excl. Options	Value Change	Puts Notional Value	Calls Notional Value	Price (Median)	Investors
2026 Q1	3,052,319,823	$87,632,811,130	+$1,407,172,892	$559,979,937	$1,536,358,598	$28.71	2,017
2025 Q4	3,033,108,880	$90,563,475,073	+$1,403,079,973	$683,636,572	$2,233,362,495	$29.89	2,084
2025 Q3	2,971,725,113	$93,348,982,628	-$5,067,688,923	$474,497,930	$1,347,355,889	$31.42	2,138
2025 Q2	3,117,197,583	$111,218,985,810	+$2,363,159,953	$522,828,671	$1,384,921,333	$35.69	2,272
2025 Q1	3,052,652,905	$112,576,379,005	-$5,596,604,026	$642,957,489	$1,295,814,679	$36.90	2,330
2024 Q4	3,199,774,879	$120,063,162,944	-$443,028,211	$673,918,067	$1,149,166,466	$37.53	2,428
2024 Q3	3,196,378,733	$133,486,436,210	-$881,827,938	$848,576,937	$1,367,361,012	$41.77	2,351
2024 Q2	3,232,648,678	$126,537,052,207	-$2,681,414,667	$627,489,864	$1,071,811,058	$39.16	2,326
2024 Q1	3,301,629,926	$142,950,061,547	-$1,435,597,454	$982,771,814	$1,095,070,774	$43.35	2,419
2023 Q4	3,335,827,571	$146,210,344,742	-$2,141,631,107	$1,165,999,302	$1,367,369,990	$43.85	2,449
2023 Q3	3,379,027,554	$149,807,415,960	-$3,947,953,750	$1,179,541,936	$1,452,085,368	$44.34	2,313
2023 Q2	3,467,352,584	$143,933,718,702	-$2,467,739,151	$785,028,489	$835,736,544	$41.55	2,235
2023 Q1	3,518,901,796	$133,328,049,012	-$212,562,746	$988,567,215	$1,425,679,629	$37.91	2,198
2022 Q4	3,533,966,613	$123,602,917,650	-$2,383,966,773	$1,003,074,879	$1,738,885,348	$34.97	2,191
2022 Q3	3,607,183,162	$105,867,197,314	-$2,541,944,733	$937,135,736	$1,055,260,552	$29.33	2,062
2022 Q2	3,684,617,711	$144,560,868,066	-$987,972,369	$968,552,200	$1,193,573,593	$39.24	2,251
2022 Q1	3,725,169,225	$174,359,496,852	-$2,676,101,218	$1,619,106,096	$1,796,486,314	$46.82	2,338
2021 Q4	3,777,508,787	$190,108,000,899	-$3,099,083,321	$2,041,759,473	$2,492,497,089	$50.33	2,398
2021 Q3	3,832,788,907	$214,290,265,338	-$414,095,933	$2,574,077,806	$3,287,801,582	$55.93	2,277
2021 Q2	3,839,942,601	$218,834,419,297	-$640,717,394	$1,869,486,316	$3,069,585,412	$57.02	2,286
2021 Q1	3,854,927,347	$208,505,189,717	+$528,788,559	$1,939,884,813	$2,702,063,682	$54.11	2,281
2020 Q4	3,844,585,768	$201,272,759,105	+$262,858,944	$2,259,840,960	$1,705,505,200	$52.40	2,220
2020 Q3	3,847,150,798	$177,864,945,005	-$986,224,806	$1,679,173,130	$1,382,336,000	$46.26	2,029
2020 Q2	3,864,095,007	$150,706,360,012	+$1,538,969,759	$1,034,367,546	$892,677,000	$38.98	1,987
2020 Q1	3,827,669,092	$131,705,020,325	+$887,848,608	$1,079,870,348	$1,104,222,000	$34.38	1,939
2019 Q4	3,789,050,682	$170,344,226,639	-$350,545,451	$1,343,809,500	$1,217,701,000	$44.97	2,033
2019 Q3	3,793,988,923	$170,934,877,289	-$10,767,399	$1,267,583,400	$1,111,128,000	$45.08	1,893
2019 Q2	3,797,003,938	$160,410,992,484	+$2,058,251,006	$919,992,000	$1,033,925,000	$42.28	1,875
2019 Q1	3,793,616,865	$151,637,463,618	+$1,110,842,476	$688,651,000	$980,532,000	$39.98	1,820
2018 Q4	3,767,973,824	$128,313,991,319	+$376,236,206	$1,182,872,000	$1,622,104,000	$34.05	1,788
2018 Q3	3,754,410,613	$132,903,904,107	-$647,270,197	$1,285,004,000	$1,793,782,000	$35.41	1,682
2018 Q2	3,772,009,677	$123,709,966,719	-$2,300,636,294	$1,052,484,000	$2,292,047,000	$32.81	1,658
2018 Q1	3,841,193,512	$131,169,574,008	-$2,009,732,287	$991,180,511	$1,978,768,015	$34.17	1,650
2017 Q4	3,893,342,312	$155,856,678,040	+$160,057,298	$2,127,192,485	$3,004,578,320	$40.05	1,684
2017 Q3	3,891,466,361	$149,690,897,026	-$715,660,113	$1,480,608,000	$2,496,560,000	$38.48	1,590
2017 Q2	3,914,338,417	$152,357,061,033	-$459,449,014	$1,496,306,000	$2,627,648,000	$38.92	1,554
2017 Q1	3,958,653,046	$148,805,108,525	+$79,360,789,970	$1,626,389,712	$3,117,100,000	$37.59	1,531
2016 Q4	1,979,281,272	$136,661,181,904	-$968,239,265	$1,687,099,000	$2,679,333,000	$69.05	1,500
2016 Q3	1,989,836,272	$131,919,129,043	-$1,208,343,519	$1,521,179,000	$2,118,408,000	$66.34	1,391
2016 Q2	2,006,450,385	$130,802,505,277	-$186,097,894	$953,750,000	$1,621,626,000	$65.19	1,385
2016 Q1	2,003,752,964	$122,358,025,271	-$1,231,782,956	$949,628,000	$1,713,221,000	$61.08	1,355
2015 Q4	2,030,424,473	$114,622,500,235	+$15,470,100,844	$1,163,849,000	$1,558,782,000	$56.43	1,326
2015 Q3	1,752,443,360	$99,682,610,183	-$401,948	$1,262,097,000	$1,553,586,000	$56.88	1,181
2015 Q2	1,757,955,258	$105,718,567,474	-$5,588,670,115	$936,848,000	$1,313,267,000	$60.14	1,187
2015 Q1	1,839,745,323	$103,881,708,216	-$3,244,322,852	$1,271,654,000	$1,684,489,000	$56.47	1,160
2014 Q4	1,897,274,460	$110,045,262,276	-$1,423,328,821	$1,552,134,000	$2,830,628,000	$58.01	1,181
2014 Q3	1,911,396,881	$102,793,781,071	+$1,947,564,184	$1,149,222,000	$4,034,997,000	$53.78	1,100
2014 Q2	1,875,780,891	$100,686,553,951	+$4,198,800,977	$967,207,000	$3,121,402,000	$53.68	1,082
2014 Q1	1,799,279,803	$90,025,111,251	+$2,722,394,035	$886,915,000	$2,631,691,000	$50.04	1,066