PRIMECAP MANAGEMENT CO/CA/

Position in CSCO — Cisco Systems, Inc.

CIK 763212 PASADENA, CA

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Position in CSCO

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

Position Value

$568,325,511

+$192,855,087 QoQ

Shares Held

4,838,460

-0.0% QoQ

Ownership

0.123%

of shares outstanding

% of Portfolio

0.34%

of 13F equity value

Holder Rank

#75

of 4,033 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 97% Shared 0% None 3%

Common Shares in CSCO Over Time

Shares Held

Position Value (USD)

Position in Communication Equipment

Technology · as of Jun 30, 2026

PRIMECAP MANAGEMENT CO/CA/ holds $1,956,659,174 across 4 Communication Equipment names. CSCO ranks #2 (29.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	HPE	Hewlett Packard Enterprise Co	17,140,875	$773,224,871
2	CSCO	Cisco Systems, Inc. This page	4,838,460	$568,325,511
3	ERIC	Ericsson Lm Telephone Co	41,613,613	$463,991,784
4	CIEN	Ciena Corp	308,050	$151,117,008

All Filings in CSCO

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26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$568,325,511	4,838,460	-0.0%	Shares	Sole	2026-08-14
2026-03-31	$375,470,424	4,839,160	-0.0%	Shares	Sole	2026-05-11
2025-12-31	$372,906,851	4,841,060	-7.8%	Shares	Sole	2026-02-11
2025-09-30	$359,106,475	5,248,560	-4.6%	Shares	Sole	2025-11-12
2025-06-30	$381,545,596	5,499,360	-0.5%	Shares	Sole	2025-08-11
2025-03-31	$340,918,746	5,524,530	-0.3%	Shares	Sole	2025-05-09
2024-12-31	$328,028,976	5,541,030	-2.9%	Shares	Sole	2025-02-10
2024-09-30	$303,716,374	5,706,809	-1.6%	Shares	Sole	2024-11-08
2024-06-30	$275,624,941	5,801,409	-2.5%	Shares	Sole	2024-08-09
2024-03-31	$297,088,775	5,952,490	-13.1%	Shares	Sole	2024-05-14
2023-12-31	$346,046,338	6,849,690	-2.8%	Shares	Sole	2024-02-09
2023-09-30	$378,722,534	7,044,690	-0.8%	Shares	Sole	2023-11-13
2023-06-30	$367,411,948	7,101,120	-2.5%	Shares	Sole	2023-08-11
2023-03-31	$380,630,813	7,280,620	-3.3%	Shares	Sole	2023-05-15
2022-12-31	$358,834,960	7,532,220	-1.5%	Shares	Sole	2023-02-13
2022-09-30	$305,859,600	7,646,490	+2.6%	Shares	Sole	2022-11-14
2022-06-30	$317,633,461	7,449,190	-0.7%	Shares	Sole	2022-08-11
2022-03-31	$418,115,802	7,498,490	-3.7%	Shares	Sole	2022-05-11
2021-12-31	$493,461,556	7,786,990	-11.8%	Shares	Sole	2022-02-11
2021-09-30	$480,774,202	8,832,890	-1.4%	Shares	Sole	2021-11-12
2021-06-30	$474,731,070	8,957,190	-3.3%	Shares	Sole	2021-08-10
2021-03-31	$478,874,158	9,260,765	-4.9%	Shares	Sole	2021-05-14
2020-12-31	$435,599,408	9,734,065	-5.9%	Shares	Sole	2021-02-08
2020-09-30	$407,503,927	10,345,365	-1.5%	Shares	Sole	2020-11-13
2020-06-30	$490,068,167	10,507,465	-3.7%	Shares	Sole	2020-08-13
2020-03-31	$428,968,999	10,912,465	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.