PRIMECAP MANAGEMENT CO/CA/

Position in CMCSA — Comcast Corp

CIK 763212 PASADENA, CA

Position in CMCSA

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$1,099,840

-$186,368 QoQ

Shares Held

44,800

0.0% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#796

of 1,877 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Communication Services · as of Jun 30, 2026

PRIMECAP MANAGEMENT CO/CA/ holds $74,412,945 across 2 Telecom Services names. CMCSA ranks #2 (1.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)	Open
1	TMUS	T-Mobile US, Inc.	437,090	$73,313,105
2	CMCSA	Comcast Corp This page	44,800	$1,099,840

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$1,099,840	44,800	0.0%	Shares	Sole	2026-08-14
2026-03-31	$1,286,208	44,800	0.0%	Shares	Sole	2026-05-11
2025-12-31	$1,339,071	44,800	-75.4%	Shares	Sole	2026-02-11
2025-09-30	$5,721,572	182,100	-13.8%	Shares	Sole	2025-11-12
2025-06-30	$7,541,291	211,300	-26.8%	Shares	Sole	2025-08-11
2025-03-31	$10,651,171	288,650	-16.5%	Shares	Sole	2025-05-09
2024-12-31	$12,977,880	345,800	0.0%	Shares	Sole	2025-02-10
2024-09-30	$14,444,050	345,800	0.0%	Shares	Sole	2024-11-08
2024-06-30	$13,541,516	345,800	0.0%	Shares	Sole	2024-08-09
2024-03-31	$14,990,419	345,800	0.0%	Shares	Sole	2024-05-14
2023-12-31	$15,163,318	345,800	0.0%	Shares	Sole	2024-02-09
2023-09-30	$15,332,785	345,800	0.0%	Shares	Sole	2023-11-13
2023-06-30	$14,368,006	345,800	-0.1%	Shares	Sole	2023-08-11
2023-03-31	$13,116,851	346,000	-14.5%	Shares	Sole	2023-05-15
2022-12-31	$14,145,595	404,507	0.0%	Shares	Sole	2023-02-13
2022-09-30	$11,864,196	404,507	0.0%	Shares	Sole	2022-11-14
2022-06-30	$15,872,851	404,507	0.0%	Shares	Sole	2022-08-11
2022-03-31	$18,939,001	404,507	-25.7%	Shares	Sole	2022-05-11
2021-12-31	$27,405,017	544,507	-37.5%	Shares	Sole	2022-02-11
2021-09-30	$48,698,647	870,707	+5.6%	Shares	Sole	2021-11-12
2021-06-30	$47,001,941	824,307	-12.6%	Shares	Sole	2021-08-10
2021-03-31	$51,009,898	942,707	-4.6%	Shares	Sole	2021-05-14
2020-12-31	$51,792,314	988,402	+0.5%	Shares	Sole	2021-02-08
2020-09-30	$45,478,296	983,102	+2.7%	Shares	Sole	2020-11-13
2020-06-30	$37,297,666	956,842	-42.7%	Shares	Sole	2020-08-13
2020-03-31	$57,366,502	1,668,600	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.