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Livermore
ZHEN

Ciena Corp

CIEN
Exchange
NYSE
Industry
Telephone & Telegraph Apparatus
SEC CIK
0000936395

In the last 90 days, Ciena Corp insiders filed 0 open-market purchases and 17 sales; 1,226 institutions reported holding it in 13F filings for Q2 2026, worth $64.6B in total; no superinvestor holds it.

Q1 2026 vs. Q4 2025

How the institutions holding Ciena Corp changed between Q4 2025 and Q1 2026.

All holders in Q1 2026All holders in Q4 2025

13F holders of CIEN: Q4 2025 compared with Q1 2026
MeasureQ4 2025Of which not filed for Q1 2026Q1 2026Change
Holders854121,085+243
Shares149.1M15.3M134.3M+479.3K (+0.4%)
Value$32.2B$3.58B$51.8B+$23.2B (+81.3%)

12 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (321)

Institutions that held Ciena Corp at the end of Q1 2026 but not at the end of Q4 2025.

Showing the largest 100 of 321 by value.

Institutions new to CIEN in Q1 2026
InstitutionSharesValue% of portfolio
Vanguard Capital Management LLC9,169,355$3.56B0.09%
Vanguard Portfolio Management LLC7,369,124$2.86B0.15%
Capital Research Global Investors2,750,050$1.07B0.17%
Lone Pine Capital LLCSuperinvestorLone Pine Capital809,522$314.3M2.51%
Vanguard Fiduciary Trust Co793,398$308.0M0.08%
Vanguard Global Advisers, LLC310,389$120.5M0.06%
Vanguard Asset Management, Ltd244,340$94.9M0.08%
Freestone Grove Partners LP133,267$51.7M0.38%
Adage Capital Partners GP, L.L.C.116,200$45.1M0.07%
E20 Capital Ltd107,349$41.7M3.91%
Ardmore Road Asset Management LP91,000$35.3M2.33%
Natixis87,743$34.1M0.14%
Vanguard Investments Australia, Ltd.70,529$27.4M0.08%
Chevy Chase Trust Holdings, Inc.69,391$26.9M0.08%
Walleye Trading LLC58,514$22.7M0.47%
Wealth High Governance Asset Management Ltda.51,968$20.2M3.15%
Tredje AP-fonden51,157$19.9M0.11%
E Fund Management Co., Ltd.47,951$18.6M0.55%
Temasek Holdings (Private) Ltd44,437$17.3M0.06%
Czech National Bank38,361$14.9M0.10%
SEB Asset Management AB37,479$14.6M0.06%
CIBC Bancorp USA Inc.28,156$10.9M0.01%
BW Gestao de Investimentos Ltda.28,085$10.9M0.49%
Wealth High Governance Capital Ltda28,032$10.9M3.27%
Science & Technology Partners, L.P.27,592$10.7M2.81%
Banco Bilbao Vizcaya Argentaria, S.A.27,164$10.4M0.07%
Public Sector Pension Investment Board25,166$9.77M0.03%
Broad Peak Investment Advisers Pte Ltd24,300$9.43M1.91%
Chapin Davis, Inc.22,959$8.91M1.99%
VMS Asset Management Limited21,645$8.40M5.13%
Empowered Funds, LLC20,663$8.02M0.05%
NEOS Investment Management LLC20,177$7.83M0.04%
New York Life Investment Management LLC19,574$7.60M0.06%
Allspring Global Investments Holdings, LLC16,690$6.93M0.01%
UNICOM Systems, Inc.16,831$6.53M0.67%
Mediolanum International Funds Ltd17,369$6.34M0.07%
Ilmarinen Mutual Pension Insurance Co16,117$6.26M0.05%
KP Management LLC15,000$5.82M1.67%
Genus Capital Management Inc.14,000$5.44M0.62%
Americana Partners, LLC13,884$5.39M0.14%
CVFG LLC13,815$5.36M0.67%
Patton Fund Management, Inc.13,189$5.12M0.87%
Persistent Asset Partners Ltd11,838$4.60M1.78%
Union Bancaire Privee, UBP SA14,605$4.26M0.08%
AIA Group Ltd10,319$4.01M0.06%
Main Management ETF Advisors, LLC10,294$4.00M0.15%
Andra AP-fonden10,239$3.98M0.05%
GMT Capital Corp9,410$3.65M0.17%
Sanders Morris Harris LLC9,329$3.62M0.57%
Nilsine Partners, LLC7,055$3.57M0.28%
Healthcare of Ontario Pension Plan Trust Fund8,845$3.43M0.01%
Brighton Jones LLC8,647$3.36M0.07%
Mirabella Financial Services LLP8,604$3.34M0.32%
Occudo Quantitative Strategies LP6,295$3.32M0.18%
Mizuho Securities USA LLC8,515$3.31M0.08%
Krane Funds Advisors LLC7,564$3.30M0.14%
TKG Advisors, LLC8,356$3.24M1.34%
Norinchukin Bank, The8,243$3.20M0.04%
Hartford Investment Management Co8,050$3.13M0.10%
Parkway Wealth Management Group, LLC6,264$3.05M0.39%
Osmosis Investment Management UK Ltd7,515$2.92M0.08%
Quantbot Technologies LP7,376$2.86M0.12%
Blackstone Group Inc.7,259$2.82M0.01%
Win Advisors, Inc7,099$2.76M1.26%
Rezny Wealth Management, Inc.6,828$2.65M0.57%
Bridgeway Capital Management, LLC6,470$2.51M0.05%
Lombard Odier Asset Management (Switzerland) SA6,059$2.35M0.09%
Dakota Wealth Management6,001$2.33M0.05%
MUFG Securities EMEA plc5,783$2.25M0.03%
Tokio Marine Asset Management Co Ltd5,740$2.23M0.08%
Saudi Central Bank5,199$2.02M0.04%
SummitTX Capital, L.P.5,039$1.96M0.06%
Progressive Investment Management Corp4,748$1.84M0.49%
Nomura Holdings Inc4,424$1.72M0.01%
CAPROCK Group, Inc.4,125$1.60M0.04%
Sona Asset Management (US) LLC4,000$1.55M0.06%
G&S Capital LLC3,986$1.55M0.54%
Harbor Capital Advisors, Inc.3,962$1.54M0.12%
Dorsey Wright & Associates3,938$1.53M0.19%
Braeburn Wealth Management LLC3,919$1.52M0.87%
MUFG Securities Americas Inc.3,898$1.51M0.10%
Bull Harbor Capital LLC3,883$1.51M0.40%
Hanseatic Management Services Inc3,756$1.46M1.40%
Squarepoint Ops LLC3,744$1.45M0.00%
Kepler Cheuvreux (Suisse) SA3,570$1.39M0.09%
Lansforsakringar Fondforvaltning AB (publ)3,513$1.36M0.01%
Wahed Invest LLC3,485$1.35M0.18%
China Universal Asset Management Co., Ltd.3,400$1.32M0.10%
Meeder Asset Management Inc3,155$1.22M0.07%
Greenland Capital Management LP3,017$1.17M0.23%
VGI Partners Ltd3,000$1.16M0.06%
Precision Wealth Strategies, LLC2,977$1.16M0.38%
Dynamic Technology Lab Private Ltd2,970$1.15M0.19%
Kassira Wealth Management LLC2,962$1.15M1.06%
Qsemble Capital Management, LP2,780$1.08M0.08%
Arista Wealth Management, LLC2,760$1.07M0.13%
Iron Financial, LLC2,617$1.02M0.44%
Frec Markets, Inc.2,613$1.01M0.17%
Belpointe Asset Management LLC2,547$988.8K0.04%
Fortis Capital Advisors, LLC2,547$988.8K0.13%

Sold out (78)

Institutions that held Ciena Corp at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of CIEN in Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Hood River Capital Management LLC453,779$106.1M
WT Asset Management Ltd133,700$31.3M
Qube Research & Technologies Ltd132,396$31.0M
Fort Washington Investment Advisors Inc123,893$29.0M
Schonfeld Strategic Advisors LLC109,439$25.6M
Jacobs Levy Equity Management, Inc88,927$20.8M
Peregrine Capital Management LLC60,837$14.2M
Talos Asset Management LP46,608$10.9M
Skandinaviska Enskilda Banken AB (publ)42,661$9.98M
Riposte Capital LLC40,000$9.35M
Maytus Capital Management, LLC32,000$7.48M
Impax Asset Management Group plc31,239$7.31M
Hampton Road Capital Management LP30,000$7.02M
Dilation Capital Management LP24,203$5.66M
Amitell Capital Pte Ltd22,346$5.23M
Weiss Asset Management LP17,740$4.15M
Entropy Technologies, LP15,551$3.64M
Lisanti Capital Growth, LLC14,145$3.31M
Havemeyer Place LP12,704$2.97M
Castle Hook Partners LP11,479$2.68M
IMC-Chicago, LLC10,684$2.50M
Caxton Associates LLP10,502$2.46M
Geneva Partners, LLC10,328$2.42M
FORA Capital, LLC11,316$2.25M
Simplex Trading, LLC8,836$2.07M
VARCOV Co.6,821$1.60M
Riverwater Partners LLC6,683$1.56M
Versor Investments LP6,494$1.52M
Hillsdale Investment Management Inc.5,600$1.31M
Verdad Advisers, LP5,413$1.27M
Sandler Capital Management5,255$1.23M
Sphera Management Technology Funds Ltd5,000$1.17M
Winton Group Ltd4,700$1.10M
Three Seasons Wealth, LLC4,237$990.9K
Quest Partners LLC4,194$980.9K
Sherman Porfolios, LLC4,110$961.2K
Edgestream Partners, L.P.4,097$958.2K
BlueCrest Capital Management Ltd4,044$945.8K
Forum Financial Management, LP4,033$943.2K
Paloma Partners Management Co4,000$935.5K
Worldquant Millennium Advisors LLC3,161$739.3K
Fieldview Capital Management, LLC3,127$731.3K
Newbridge Financial Services Group, Inc.3,000$701.6K
Banque Transatlantique SA2,957$692.2K
Atlanta Consulting Group Advisors, LLC2,930$685.2K
Quadrature Capital Ltd2,784$651.1K
Oxford Asset Management LLP2,171$507.7K
SMART Wealth LLC2,112$493.9K
Kaufman Rossin Wealth, LLC1,524$356.4K
Sightline Wealth Advisors, LLC1,438$336.3K
DRW Securities, LLC1,439$331.1K
MQS Management LLC1,357$317.4K
Town Capital LLC1,336$312.4K
Rhodes Investment Advisors Inc1,245$291.2K
Wealthspire Advisors, LLC1,204$281.6K
Centaurus Financial, Inc.1,180$276.0K
Hudson Bay Capital Management LP1,170$273.6K
Highland Capital Management, LLC1,124$262.9K
Machina Capital S.A.S.1,100$257.3K
PharVision Advisers, LLC1,044$244.2K
Sage Mountain Advisors LLC1,037$242.5K
Picton Mahoney Asset Management990$231.5K
Victrix Investment Advisors975$228.0K
MidFirst Bank972$227.3K
Two Sigma Advisers, LP916$214.2K
Capstone Investment Advisors, LLC856$200.2K
SageView Advisory Group, LLC462$108.0K
Estate Planners Group, LLC357$83.5K
Reflection Asset Management309$72.3K
Wolff Wiese Magana LLC200$46.8K
DT Investment Partners, LLC157$36.7K
Capula Management Ltd96$22.5K
Greenline Wealth Management LLC68$15.8K
Matrix Trust Co65$15.0K
Wealth Watch Advisors, INC45$10.5K
Morse Asset Management, Inc35$8.19K
Optima Capital LLC24$5.61K
Cape Investment Advisory, Inc.14$3.27K

Not filed for Q1 2026 yet (12)

Institutions that held Ciena Corp at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding CIEN in Q4 2025 that haven't filed for Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Vanguard Group Inc14,376,579$3.36B
Norges Bank811,950$189.9M
Forsta Ap-Fonden41,300$9.66M
Comerica Bank37,966$8.88M
MIG Capital, LLC19,032$4.45M
Gifford Fong Associates12,255$2.87M
CIBC World Markets Corp4,894$1.14M
Global Retirement Partners, LLC4,243$992.3K
Janney Capital Management LLC2,715$635.0K
Yeomans Consulting Group, Inc.1,943$454.4K
CIBC Private Wealth Group, LLC426$99.6K
ORG Partners LLC150$35.1K