ACADIAN ASSET MANAGEMENT LLC

Position in CIEN — Ciena Corp

CIK 916542 Boston, MA

Back to CIEN Full portfolio

Position in CIEN

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$174,073,253

+$45,910,378 QoQ

Shares Held

354,846

+7.5% QoQ

Ownership

0.251%

of shares outstanding

% of Portfolio

0.21%

of 13F equity value

Holder Rank

#44

of 1,218 holders

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Common Shares in CIEN Over Time

Shares Held

Position Value (USD)

Position in Communication Equipment

Technology · as of Jun 30, 2026

ACADIAN ASSET MANAGEMENT LLC holds $1,975,569,422 across 28 Communication Equipment names. CIEN ranks #4 (8.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CSCO	Cisco Systems, Inc.	5,894,212	$692,334,141
2	ERIC	Ericsson Lm Telephone Co	62,033,988	$691,678,966
3	MSI	Motorola Solutions, Inc.	426,212	$177,001,581
4	CIEN	Ciena Corp This page	354,846	$174,073,253
5	NOK	Nokia Corp	8,916,583	$118,412,222
6	EXTR	Extreme Networks Inc	975,210	$31,567,547
7	NTGR	Netgear, Inc.	1,097,083	$25,616,888
8	AUDC	Audiocodes Ltd	1,162,407	$11,252,099

All Filings in CIEN

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$174,073,253	354,846	+7.5%	Shares	Defined	2026-08-13
2026-03-31	$128,162,875	330,121	+16.7%	Shares	Defined	2026-05-13
2025-12-31	$66,176,790	282,964	+21.2%	Shares	Defined	2026-02-10
2025-09-30	$34,011,031	233,480	+331.5%	Shares	Defined	2025-11-13
2025-06-30	$4,400,440	54,106	-11.8%	Shares	Defined	2025-08-07
2025-03-31	$3,707,017	61,344	+826.9%	Shares	Defined	2025-05-21
2024-09-30	$407,602	6,618	-22.7%	Shares	Defined	2024-11-12
2024-06-30	$412,709	8,566	0.0%	Shares	Defined	2024-08-06
2024-03-31	$423,588	8,566	-16.6%	Shares	Defined	2024-05-10
2023-12-31	$462,027	10,265	-59.0%	Shares	Defined	2024-02-13
2023-09-30	$1,182,161	25,014	+192.0%	Shares	Defined	2023-11-13
2023-06-30	$363,969	8,566	-51.1%	Shares	Defined	2023-08-07
2023-03-31	$920,360	17,524	-80.4%	Shares	Defined	2023-05-11
2022-12-31	$4,563,780	89,521	-90.4%	Shares	Defined	2023-02-14
2022-09-30	$37,603,457	930,088	-56.5%	Shares	Defined	2022-11-14
2022-06-30	$97,652,308	2,136,812	-2.3%	Shares	Defined	2022-08-09
2022-03-31	$132,631,277	2,187,552	+47.1%	Shares	Defined	2022-05-12
2021-12-31	$114,477,019	1,487,294	+27.7%	Shares	Defined	2022-02-10
2021-09-30	$59,818,025	1,164,908	-0.1%	Shares	Defined	2021-11-12
2021-06-30	$66,345,573	1,166,208	+13.8%	Shares	Defined	2021-08-11
2021-03-31	$56,083,731	1,024,922	-21.7%	Shares	Defined	2021-05-11
2020-12-31	$69,219,547	1,309,736	+3.0%	Shares	Defined	2021-02-11
2020-09-30	$50,492,863	1,272,181	+12.8%	Shares	Defined	2020-11-09
2020-06-30	$61,067,024	1,127,530	+15.6%	Shares	Defined	2020-08-12
2020-03-31	$38,826,852	975,304	—	Shares	Defined	2020-05-11
No filing history on record for this holder in this stock.