RHUMBLINE ADVISERS

Position in CIEN — Ciena Corp

CIK 1115418 BOSTON, MA

Position in CIEN

as of Mar 31, 2026 · filed May 12, 2026 Compact

Position Value

$95,624,154

+$5,939,219 QoQ

Shares Held

246,308

-35.8% QoQ

Ownership

0.174%

of shares outstanding

% of Portfolio

0.08%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 59.71710216476931.ToString("F0")% Shared 0.ToString("F0")% None 40.282897835230685.ToString("F0")%

Technology · as of Mar 31, 2026

RHUMBLINE ADVISERS holds $1,103,010,019 across 27 Communication Equipment names. CIEN ranks #3 (8.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CSCO	Cisco Systems, Inc.	7,167,062	$556,092,340
2	MSI	Motorola Solutions, Inc.	328,327	$142,484,068
3	CIEN	Ciena Corp This page	246,308	$95,624,154
4	LITE	Lumentum Holdings Inc.	124,871	$87,754,343
5	HPE	Hewlett Packard Enterprise Co	2,545,986	$60,619,926
6	UI	Ubiquiti Inc.	43,124	$34,080,465
7	ZBRA	Zebra Technologies Corp	107,289	$22,431,984
8	ASTS	AST SpaceMobile, Inc.	263,856	$21,865,746

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$95,624,154	246,308	-35.8%	Shares	Sole	2026-05-12
2025-12-31	$89,684,935	383,482	+3.0%	Shares	Sole	2026-02-13
2025-09-30	$54,252,752	372,436	-1.6%	Shares	Sole	2025-11-06
2025-06-30	$30,796,011	378,655	-0.7%	Shares	Sole	2025-08-12
2025-03-31	$23,045,584	381,360	-2.3%	Shares	Sole	2025-05-29
2024-12-31	$33,088,451	390,148	+0.7%	Shares	Sole	2025-05-29
2024-09-30	$23,869,450	387,554	-1.2%	Shares	Sole	2024-11-12
2024-06-30	$18,892,004	392,113	-3.8%	Shares	Sole	2024-08-01
2024-03-31	$20,156,215	407,608	-5.7%	Shares	Sole	2024-05-09
2023-12-31	$19,453,997	432,215	-4.8%	Shares	Sole	2024-02-08
2023-09-30	$21,452,306	453,921	-1.3%	Shares	Sole	2023-11-09
2023-06-30	$19,549,649	460,100	+1.7%	Shares	Sole	2023-08-08
2023-03-31	$23,749,964	452,208	-0.3%	Shares	Sole	2023-05-11
2022-12-31	$23,112,190	453,358	+4.4%	Shares	Sole	2023-02-14
2022-09-30	$17,557,980	434,281	+0.9%	Shares	Sole	2022-11-10
2022-06-30	$19,666,857	430,347	+6.1%	Shares	Sole	2022-08-11
2022-03-31	$24,600,561	405,749	-2.0%	Shares	Sole	2022-05-12
2021-12-31	$31,874,662	414,118	-0.6%	Shares	Sole	2022-02-10
2021-09-30	$21,388,610	416,526	-3.2%	Shares	Sole	2021-11-12
2021-06-30	$24,474,078	430,200	-0.7%	Shares	Sole	2021-08-05
2021-03-31	$23,703,992	433,187	+2.4%	Shares	Sole	2021-05-06
2020-12-31	$22,356,501	423,018	+2.8%	Shares	Sole	2021-02-10
2020-09-30	$16,326,322	411,346	-2.7%	Shares	Sole	2020-11-12
2020-06-30	$22,886,391	422,570	+1.1%	Shares	Sole	2020-08-13
2020-03-31	$16,634,090	417,837	—	Shares	Sole	2020-05-06
No filing history on record for this holder in this stock.