Capital Research Global Investors

Position in CIEN — Ciena Corp

CIK 1422848 Los Angeles, CA

Position in CIEN

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$322,079,130

-$745,572,781 QoQ

Shares Held

656,554

-76.1% QoQ

Ownership

0.464%

of shares outstanding

% of Portfolio

0.05%

of 13F equity value

Holder Rank

#30

of 1,218 holders

Holding Since

Mar 2026

2 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Technology · as of Jun 30, 2026

Capital Research Global Investors holds $8,986,494,459 across 4 Communication Equipment names. CIEN ranks #3 (3.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CSCO	Cisco Systems, Inc.	67,174,294	$7,890,292,573
2	MSI	Motorola Solutions, Inc.	1,308,049	$543,219,669
3	CIEN	Ciena Corp This page	656,554	$322,079,130
4	LITE	Lumentum Holdings Inc.	269,099	$230,903,087

2 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$322,079,130	656,554	-76.1%	Shares	Defined	2026-08-12
2026-03-31	$1,067,651,911	2,750,050	—	Shares	Defined	2026-05-13
No filing history on record for this holder in this stock.