FIRST MANHATTAN CO. LLC.

Position in CIEN — Ciena Corp

CIK 728083 NEW YORK, NY

Position in CIEN

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

Position Value

$15,892,181

+$2,762,631 QoQ

Shares Held

32,396

-4.2% QoQ

Ownership

0.023%

of shares outstanding

% of Portfolio

0.04%

of 13F equity value

Holder Rank

#228

of 1,218 holders

Holding Since

Mar 2020

26 quarters on record

Voting authority Sole 0% Shared 100% None 0%

Technology · as of Jun 30, 2026

FIRST MANHATTAN CO. LLC. holds $41,629,377 across 4 Communication Equipment names. CIEN ranks #1 (38.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CIEN	Ciena Corp This page	32,396	$15,892,181
2	CSCO	Cisco Systems, Inc.	127,356	$14,959,235
3	MSI	Motorola Solutions, Inc.	22,585	$9,379,324
4	LITE	Lumentum Holdings Inc.	1,630	$1,398,637

26 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$15,892,181	32,396	-4.2%	Shares	Sole	2026-08-14
2026-03-31	$13,129,550	33,819	-26.7%	Shares	Sole	2026-05-15
2025-12-31	$10,790,995	46,141	-2.5%	Shares	Sole	2026-02-17
2025-09-30	$6,896,163	47,341	-10.5%	Shares	Sole	2025-11-14
2025-06-30	$4,300,079	52,872	-11.6%	Shares	Sole	2025-08-14
2025-03-31	$3,615,345	59,827	-28.8%	Shares	Sole	2025-05-15
2024-12-31	$7,127,771	84,044	-1.1%	Shares	Sole	2025-02-14
2024-09-30	$5,231,700	84,944	-0.3%	Shares	Sole	2024-11-14
2024-06-30	$4,103,442	85,169	-0.1%	Shares	Sole	2024-08-15
2024-03-31	$4,214,079	85,219	-1.1%	Shares	Sole	2024-05-15
2023-12-31	$3,877,071	86,138	+8.9%	Shares	Sole	2024-02-13
2023-09-30	$3,736,611	79,065	-1.7%	Shares	Sole	2023-11-14
2023-06-30	$3,418,490	80,454	-9.9%	Shares	Sole	2023-08-14
2023-03-31	$4,690,666	89,312	-6.3%	Shares	Sole	2023-05-15
2022-12-31	$4,857,527	95,283	-0.6%	Shares	Sole	2023-02-14
2022-09-30	$3,874,568	95,834	-0.8%	Shares	Sole	2022-11-14
2022-06-30	$4,416,173	96,634	0.0%	Shares	Sole	2022-08-15
2022-03-31	$5,858,919	96,634	-1.0%	Shares	Sole	2022-05-16
2021-12-31	$7,516,505	97,655	-0.2%	Shares	Sole	2022-02-14
2021-09-30	$5,026,856	97,894	-1.0%	Shares	Sole	2021-11-15
2021-06-30	$5,624,941	98,874	-2.3%	Shares	Sole	2021-08-16
2021-03-31	$5,536,460	101,178	0.0%	Shares	Sole	2021-05-14
2020-12-31	$5,347,257	101,178	-1.2%	Shares	Sole	2021-02-16
2020-09-30	$4,063,224	102,374	-1.4%	Shares	Sole	2020-11-12
2020-06-30	$5,623,107	103,824	-0.2%	Shares	Sole	2020-08-14
2020-03-31	$4,141,195	104,024	—	Shares	Sole	2020-05-06
No filing history on record for this holder in this stock.