13F

Stock

Ciena Corp

CIEN · held by 851 managers

Reported value

$30.3B

Holders

851

+13 new · −3 exited

Holders’ est. mark

$342.6M

Price effect on 7 books still in the name

Largest holder

$4.94B

Fidelity

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Fidelity21.1M$4.94BHeld
BlackRock, Inc.16.7M$3.9BHeld
Vanguard14.4M$3.36BHeld
JPMORGAN CHASE & CO10.9M$2.54BHeld
State Street5.1M$1.19BHeld
GEODE CAPITAL MANAGEMENT, LLC2.69M$627.6MHeld
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP2.24M$523.1MHeld
BANK OF AMERICA CORP /DE/2.16M$506.2M$190.9MAdded$50M
Capital World Investors1.87M$437.1MHeld
Jericho Capital Asset Management L.P.1.66M$387.3MHeld
Invesco Ltd.1.52M$355.2MHeld
Atreides Management, LP1.43M$334MHeld
Icahn Capital1.41M$330.4MHeld
DIMENSIONAL FUND ADVISORS LP1.4M$326.7MHeld
MORGAN STANLEY1.38M$323.9M$122.2MAdded$70.2M
Polar Capital Holdings Plc1.29M$301.6MHeld
NORTHERN TRUST CORP1.22M$284.6MHeld
Bank of New York Mellon Corp1.12M$261.5MHeld
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC1.1M$256.9MHeld
VOYA INVESTMENT MANAGEMENT LLC946.8K$221.4MHeld
CHARLES SCHWAB INVESTMENT MANAGEMENT INC935.7K$218.8MHeld
Nuveen, LLC898.3K$210.1MHeld
ValueAct893.5K$209MHeld
NORGES BANK812K$189.9M$12.2MAdded$185.6M
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC734.4K$187MHeld
1832 Asset Management L.P.789.9K$184.7MHeld
Citadel719.7K$168.3MHeld
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC697.6K$163.1MHeld
FengHe Fund Management Pte. Ltd.661K$154.6MHeld
SCHRODER INVESTMENT MANAGEMENT GROUP600.6K$143.1MHeld
MASSACHUSETTS FINANCIAL SERVICES CO /MA/607.4K$142.1MHeld
DEUTSCHE BANK AG\590.5K$138.1MHeld
UBS Group AG540.6K$126.4MHeld
Assenagon Asset Management S.A.514.2K$120.3MHeld
FIRST TRUST ADVISORS LP512.5K$119.8MHeld
PRIMECAP MANAGEMENT CO/CA/511.6K$119.6MHeld
Legal & General Group Plc510.4K$119.4MHeld
Anatole Investment Management Ltd501.6K$117.3MHeld
PRUDENTIAL FINANCIAL INC489.2K$114.4MHeld
Amundi483.7K$113.1MHeld
BARROW HANLEY MEWHINNEY & STRAUSS LLC475K$111.1MHeld
Point72 Asset Management, L.P.470.7K$110.1MHeld
Hood River Capital Management LLC453.8K$106.1MHeld
GOLDMAN SACHS GROUP INC445.4K$104.2MHeld
JANUS HENDERSON GROUP PLC441.6K$103.2MHeld
Balyasny Asset Management L.P.440.1K$102.9MHeld
Holocene Advisors, LP430.2K$100.6MHeld
Analog Century Management LP428.8K$100.3MHeld
MILLENNIUM MANAGEMENT LLC422.6K$98.8MHeld
NEUBERGER BERMAN GROUP LLC387.2K$90.6MHeld
Swiss National Bank386.4K$90.4MHeld
RHUMBLINE ADVISERS383.5K$89.7MHeld
Zurich Insurance Group Ltd/FI369.2K$86.4MHeld
ALLIANCEBERNSTEIN L.P.357.6K$83.6MHeld
RAYMOND JAMES FINANCIAL INC356.9K$83.5MHeld
STEADFAST CAPITAL MANAGEMENT LP308.2K$72.1MHeld
Stephens Investment Management Group LLC306.5K$71.7MHeld
Munro Partners304.4K$71.2MHeld
PRINCIPAL FINANCIAL GROUP INC303.3K$70.9MHeld
Sumitomo Mitsui Trust Group, Inc.290.7K$68MHeld
WELLS FARGO & COMPANY/MN289.9K$67.8MHeld
ROYAL BANK OF CANADA288.3K$67.4MHeld
Senvest Management, LLC285.5K$66.8MHeld
LMR Partners LLP272K$63.6MHeld
AMERIPRISE FINANCIAL INC269.6K$63.1MHeld
ENVESTNET ASSET MANAGEMENT INC260.3K$60.9MHeld
FOUNDATIONS INVESTMENT ADVISORS, LLC258.3K$60.4MHeld
AMERICAN CENTURY COMPANIES INC252.8K$59.1MHeld
CITIGROUP INC251.6K$58.8MHeld
SEI INVESTMENTS CO249.4K$58.3MHeld
California Public Employees Retirement System241K$56.4MHeld
Williams Jones Wealth Management, LLC.232K$54.3MHeld
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM214.8K$50.2MHeld
Bridgewater212.6K$49.7MHeld
National Pension Service212.4K$49.7MHeld
Rokos Capital Management LLP210.7K$49.2MHeld
BARCLAYS PLC209.5K$49M$16.3MAdded$22.2M
BECKER CAPITAL MANAGEMENT INC200.4K$46.9MHeld
Amanah Holdings Trust200K$46.8MHeld
GF FUND MANAGEMENT CO. LTD.192K$44.9MHeld
DIAMOND HILL CAPITAL MANAGEMENT INC182.6K$42.7MHeld
12th Street Asset Management Company, LLC179.6K$42MHeld
ThornTree Capital Partners LP178.7K$41.8MHeld
Allianz Asset Management GmbH173.2K$40.5MHeld
CI INVESTMENTS INC.172.3K$40.3MHeld
TD Asset Management Inc170.2K$39.8MHeld
Retirement Systems of Alabama169.3K$39.6MHeld
TITAN GLOBAL CAPITAL MANAGEMENT USA LLC167.6K$39.2MHeld
DigitalBridge Group, Inc.166K$38.8MHeld
LPL Financial LLC152.6K$35.7MHeld
Zurcher Kantonalbank (Zurich Cantonalbank)148.2K$34.7MHeld
LOOMIS SAYLES & CO L P146K$34.1MHeld
Mitsubishi UFJ Asset Management Co., Ltd.135.1K$33.2MHeld
INTECH INVESTMENT MANAGEMENT LLC137.6K$32.2MHeld
Gotham Asset Management, LLC136.3K$31.9MHeld
WT Asset Management Ltd133.7K$31.3MHeld
Qube Research & Technologies Ltd132.4K$31MHeld
PEAK6 LLC129.5K$30.3M$207.6KAdded$29.9M
Korea Investment CORP129K$30.2MHeld
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM128.1K$30MHeld
CloudAlpha Capital Management Limited/Hong Kong124.8K$29.2MHeld
FORT WASHINGTON INVESTMENT ADVISORS INC /OH/123.9K$29MHeld
Schonfeld Strategic Advisors LLC109.4K$25.6MHeld
Russell Investments Group, Ltd.108.2K$25.4MHeld
WELLINGTON MANAGEMENT GROUP LLP107.5K$25.1MHeld
CAPITAL FUND MANAGEMENT S.A.105.9K$24.8MHeld
LMCG INVESTMENTS, LLC103.6K$24.2MHeld
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.103.2K$24.1MHeld
Swedbank AB100.7K$23.5MHeld
Quantinno Capital Management LP100.5K$23.5MHeld
Bienville Capital Management, LLC99.6K$23.3MHeld
CRAMER ROSENTHAL MCGLYNN LLC96.6K$22.6MHeld
MANUFACTURERS LIFE INSURANCE COMPANY, THE95.7K$22.4MHeld
PANAGORA ASSET MANAGEMENT INC94K$22MHeld
STATE OF WISCONSIN INVESTMENT BOARD90K$21.1MHeld
JACOBS LEVY EQUITY MANAGEMENT, INC88.9K$20.8MHeld
Connor, Clark & Lunn Investment Management Ltd.87.3K$20.4MHeld
Cerity Partners LLC85.3K$19.9MHeld
Ensign Peak Advisors, Inc85.2K$19.9MHeld
NEW YORK STATE COMMON RETIREMENT FUND85.2K$19.9MHeld
Defiance ETFs, LLC80.4K$19.2MHeld
STIFEL FINANCIAL CORP81.4K$19MHeld
ION Fund Management Ltd76K$17.8MHeld
Virtus Wealth Solutions LLC73.7K$17.2MHeld
Liontrust Investment Partners LLP70.7K$16.5MHeld
Mariner, LLC70.3K$16.5MHeld
Hel Ved Capital Management Ltd70.1K$16.4MHeld
MetLife Investment Management, LLC68.9K$16.1MHeld
Universal- Beteiligungs- und Servicegesellschaft mbH66.6K$15.6MHeld
OPPENHEIMER ASSET MANAGEMENT INC.64.1K$15MHeld
Mitsubishi UFJ Trust & Banking Corp63.7K$14.9MHeld
VAUGHAN NELSON INVESTMENT MANAGEMENT, L.P.63.5K$14.8MHeld
BOOTHBAY FUND MANAGEMENT, LLC62.3K$14.6MHeld
BNP PARIBAS FINANCIAL MARKETS62.2K$14.5MHeld
Caisse de depot et placement du Quebec61.8K$14.5MHeld
Twin Tree Management, LP61.2K$14.3MHeld
PEREGRINE CAPITAL MANAGEMENT LLC60.8K$14.2MHeld
Atika Capital Management LLC60K$14MHeld
Police & Firemen's Retirement System of New Jersey60K$14MHeld
NISSAY ASSET MANAGEMENT CORP /JAPAN58.9K$13.8MHeld
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC58.7K$13.7MHeld
AVIVA PLC57.9K$13.5MHeld
Horizon Investments, LLC57.6K$13.5MHeld
KLP KAPITALFORVALTNING AS57.4K$13.4MHeld
Portolan Capital Management, LLC56.5K$13.2MHeld
Pictet Asset Management Holding SA56.4K$13.2MHeld
State of Tennessee, Department of Treasury52.4K$13.2MHeld
Asset Management One Co., Ltd.54.9K$13.1MHeld
ABN AMRO INVESTMENT SOLUTIONS55.2K$12.9MHeld
HSBC HOLDINGS PLC54.5K$12.8MHeld
VICTORY CAPITAL MANAGEMENT INC54.1K$12.7MHeld
MARSHALL WACE, LLP53.2K$12.4MHeld
Robeco Institutional Asset Management B.V.52.2K$12.2MHeld
Elyxium Wealth, LLC11.7M$11.8MHeld
STOREBRAND ASSET MANAGEMENT AS50.2K$11.7MHeld
Orange Investment Advisors, Inc.49.9K$11.7MHeld
TECTONIC ADVISORS LLC48.7K$11.4MHeld
State of New Jersey Common Pension Fund D48.6K$11.4MHeld
Illinois Municipal Retirement Fund48.4K$11.3MHeld
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO47.2K$11MHeld
Talos Eurisko Asset Management LP46.6K$10.9MHeld
KING LUTHER CAPITAL MANAGEMENT CORP46.3K$10.8MHeld
YOUSIF CAPITAL MANAGEMENT, LLC44.9K$10.8MHeld
FIRST MANHATTAN CO. LLC.46.1K$10.8MHeld
Creative Planning46K$10.8MHeld
CREDIT AGRICOLE S A46K$10.7MHeld
NOMURA ASSET MANAGEMENT CO LTD44.9K$10.5MHeld
Paralel Advisors LLC44.3K$10.4MHeld
NATIONAL BANK OF CANADA /FI/44.3K$10.3MHeld
FRANKLIN RESOURCES INC44K$10.3MHeld
Tidal Investments LLC43.8K$10.2MHeld
Skandinaviska Enskilda Banken AB (publ)42.7K$9.98MHeld
Focus Partners Wealth41.5K$9.7MHeld
FORSTA AP-FONDEN41.3K$9.66MHeld
Harbour Capital Advisors, LLC39K$9.59MHeld
First Eagle Investment Management, LLC40.9K$9.57MHeld
Resona Asset Management Co.,Ltd.40.7K$9.54MHeld
J. Safra Sarasin Holding AG40.7K$9.51MHeld
SILVERCREST ASSET MANAGEMENT GROUP LLC40.3K$9.42MHeld
TEACHER RETIREMENT SYSTEM OF TEXAS40.1K$9.38MHeld
RIPOSTE CAPITAL LLC40K$9.35MHeld
Vontobel Holding Ltd.39.7K$9.29MHeld
Louisiana State Employees Retirement System39K$9.12MHeld
ARIZONA STATE RETIREMENT SYSTEM38.7K$9.06MHeld
COMERICA BANK38K$8.88MHeld
Pacer Advisors, Inc.37.2K$8.7MHeld
DANSKE BANK A/S36.7K$8.58M$266.8KAdded$8.44M
Aristotle Capital Boston, LLC36.6K$8.56MHeld
M & L Capital Management Ltd36.3K$8.48MHeld
GILDER GAGNON HOWE & CO LLC36K$8.43MHeld
BANK OF MONTREAL /CAN/35.9K$8.39MHeld
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS35.3K$8.26MHeld
STATE OF MICHIGAN RETIREMENT SYSTEM33.3K$7.79MHeld
Renaissance Technologies32.6K$7.62MHeld
Mirae Asset Global Investments Co., Ltd.32.4K$7.57MHeld
IEQ CAPITAL, LLC32.1K$7.5MHeld
Maytus Capital Management, LLC32K$7.48MHeld
Cetera Investment Advisers32K$7.48MHeld
WESTFIELD CAPITAL MANAGEMENT CO LP31.8K$7.43MHeld
NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC31.6K$7.38MHeld
Impax Asset Management Group plc31.2K$7.31MHeld
Man Group plc30.1K$7.04MHeld
JAT Capital Mgmt LP30K$7.02MHeld
Atria Investments, Inc29.9K$6.99MHeld
Spear Advisors LLC29.7K$6.95MHeld
Voleon Capital Management LP29.7K$6.94MHeld
Swiss Life Asset Management Ltd29.5K$6.89M$585.2KAdded$5.92M
FJARDE AP-FONDEN /FOURTH SWEDISH NATIONAL PENSION FUND29.3K$6.85MHeld
FLPUTNAM INVESTMENT MANAGEMENT CO29K$6.78MHeld
Oak Harvest Investment Services28.8K$6.73MHeld
MERCER GLOBAL ADVISORS INC /ADV28.6K$6.69MHeld
OREGON PUBLIC EMPLOYEES RETIREMENT FUND28.2K$6.6MHeld
DNB Asset Management AS27.5K$6.44MHeld
Bank Julius Baer & Co. Ltd, Zurich27K$6.42MHeld
Raiffeisen Bank International AG26.6K$6.34MHeld
FIRST BUSINESS FINANCIAL SERVICES, INC.26.7K$6.25MHeld
CANADA PENSION PLAN INVESTMENT BOARD26.5K$6.2MHeld
TORTOISE CAPITAL ADVISORS, L.L.C.26K$6.08MHeld
PRELUDE CAPITAL MANAGEMENT, LLC26K$6.07MHeld
Ameritas Investment Partners, Inc.25.9K$6.05MHeld
Orion Porfolio Solutions, LLC25.2K$5.89MHeld
BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp25K$5.85MHeld
OP Asset Management Ltd25K$5.84MNew
Corient Private Wealth LLC24.3K$5.69MHeld
Dilation Capital Management LP24.2K$5.66MHeld
EverSource Wealth Advisors, LLC24.1K$5.64MHeld
Investment Research Partners LLC23.5K$5.49MNew
Utah Retirement Systems23.3K$5.44MHeld
KINTRA WEALTH, LLC44.7K$5.41MHeld
GLENMEDE TRUST CO NA22.6K$5.29MHeld
Convergence Investment Partners, LLC22.5K$5.27MHeld
Amitell Capital Pte Ltd22.3K$5.23MHeld
MML INVESTORS SERVICES, LLC22.2K$5.2MHeld
TORONTO DOMINION BANK22K$5.15MHeld
XPONANCE LLC21.4K$5.01MHeld
TWO SIGMA INVESTMENTS, LP21.1K$4.93MHeld
OSAIC HOLDINGS, INC.20.8K$4.87MHeld
O'SHAUGHNESSY ASSET MANAGEMENT, LLC20.5K$4.8MHeld
Vanguard Personalized Indexing Management, LLC20.4K$4.78MHeld
COMMONWEALTH EQUITY SERVICES, LLC20.4K$4.77MHeld
Kultura Capital Management LP20.3K$4.75MHeld
Hilton Capital Management, LLC20.1K$4.69MHeld
JUPITER ASSET MANAGEMENT LTD19.9K$4.65MHeld
MACQUARIE GROUP LTD19.6K$4.57MHeld
GUGGENHEIM CAPITAL LLC19.6K$4.57MHeld
PINNBROOK CAPITAL MANAGEMENT LP19.2K$4.48MHeld
MIG Capital, LLC19K$4.45MHeld
Estate Counselors, LLC18.8K$4.4MHeld
STRATEGY ASSET MANAGERS LLC18.6K$4.36MHeld
BLAIR WILLIAM & CO/IL18.6K$4.34MHeld

Who left

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.