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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 19 sales; 1,227 institutions reported holding it in 13F filings for Q2 2026, worth $64.6B in total; no superinvestor holds it.

13F holders, Q2 2026

Institutional positions in Ciena Corp as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
1,227
+153 vs. Q1 2026
Shares held
132.1M
−1.87M (−1.4%) vs. Q1 2026
Total value
$64.6B
+$12.9B (+24.9%) vs. Q1 2026
New holders
262
469 more added
Sold out
109
386 more reduced

11 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting CIEN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 1,227 institutions
Q1 2021: 461 institutionsQ2 2021: 467 institutionsQ3 2021: 460 institutionsQ4 2021: 523 institutionsQ1 2022: 498 institutionsQ2 2022: 458 institutionsQ3 2022: 424 institutionsQ4 2022: 463 institutionsQ1 2023: 486 institutionsQ2 2023: 470 institutionsQ3 2023: 469 institutionsQ4 2023: 451 institutionsQ1 2024: 468 institutionsQ2 2024: 454 institutionsQ3 2024: 464 institutionsQ4 2024: 534 institutionsQ1 2025: 544 institutionsQ2 2025: 563 institutionsQ3 2025: 689 institutionsQ4 2025: 854 institutionsQ1 2026: 1,085 institutionsQ2 2026: 1,227 institutions
Value heldQ2 2026: $64.6B
Q1 2021: $7.83BQ2 2021: $8.09BQ3 2021: $7.06BQ4 2021: $10.5BQ1 2022: $8.15BQ2 2022: $6.18BQ3 2022: $5.84BQ4 2022: $7.11BQ1 2023: $7.28BQ2 2023: $5.84BQ3 2023: $6.37BQ4 2023: $6.04BQ1 2024: $6.78BQ2 2024: $6.74BQ3 2024: $8.76BQ4 2024: $11.9BQ1 2025: $8.24BQ2 2025: $11.5BQ3 2025: $20.3BQ4 2025: $32.2BQ1 2026: $51.8BQ2 2026: $64.6B
Institutions holding CIEN and their total value by quarter
QuarterHoldersValue
Q2 20261,227$64.6B
Q1 20261,085$51.8B
Q4 2025854$32.2B
Q3 2025689$20.3B
Q2 2025563$11.5B
Q1 2025544$8.24B
Q4 2024534$11.9B
Q3 2024464$8.76B
Q2 2024454$6.74B
Q1 2024468$6.78B
Q4 2023451$6.04B
Q3 2023469$6.37B
Q2 2023470$5.84B
Q1 2023486$7.28B
Q4 2022463$7.11B
Q3 2022424$5.84B
Q2 2022458$6.18B
Q1 2022498$8.15B
Q4 2021523$10.5B
Q3 2021460$7.06B
Q2 2021467$8.09B
Q1 2021461$7.83B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Ciena Corp; share changes are against Q1 2026.

Institutions holding CIEN in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Resona Asset Management Co.,Ltd.41,284$20.2M0.09%−1,364−3.2%Reduced
Arizona State Retirement System40,541$19.9M0.10%+2,257+5.9%Added
Czech National Bank40,247$19.7M0.11%+1,886+4.9%Added
Riposte Capital LLC40,000$19.6M6.66%+40,000New
Public Employees Retirement Association of Colorado39,608$19.4M0.07%−594−1.5%Reduced
Boothbay Fund Management, LLC38,948$19.1M0.37%+954+2.5%Added
Loomis Sayles & Co L P38,920$19.1M0.02%−52,393−57.4%Reduced
Cetera Investment Advisers38,579$18.9M0.02%+6,536+20.4%Added
Xponance, Inc.38,508$18.9M0.12%+13,067+51.4%Added
Munro Partners37,946$18.6M0.42%−177,029−82.3%Reduced
MetLife Investment Management37,868$18.6M0.08%+4,952+15.0%Added
Northwestern Mutual Wealth Management Co37,573$18.4M0.01%+32,121+589.2%Added
Jain Global LLC37,397$18.3M0.22%+37,397New
Mercer Global Advisors Inc37,220$18.3M0.02%+2,959+8.6%Added
Harbour Capital Advisors, LLC38,547$17.8M3.23%−470−1.2%Reduced
State of Michigan Retirement System36,200$17.8M0.08%−600−1.6%Reduced
Wealth High Governance Asset Management Ltda.36,187$17.8M1.89%−15,781−30.4%Reduced
Andra AP-fonden35,899$17.6M0.20%+25,660+250.6%Added
UNICOM Systems, Inc.35,231$17.3M1.13%+18,400+109.3%Added
Daiwa Securities Group Inc.35,146$17.2M0.04%+10,865+44.7%Added
Penserra Capital Management LLC35,104$17.2M0.13%−97−0.3%Reduced
Abn Amro Investment Solutions35,075$17.2M0.15%+775+2.3%Added
Tairen Capital Ltd34,720$17.0M1.50%+34,720New
CI Private Wealth, LLC34,452$16.9M0.02%+172+0.5%Added
Candriam Luxembourg S.C.A.34,468$16.9M0.08%+23,212+206.2%Added
USS Investment Management Ltd34,350$16.9M0.07%+34,350New
Mediolanum International Funds Ltd34,846$16.7M0.14%+17,477+100.6%Added
CIBC Asset Management Inc33,384$16.4M0.04%−534−1.6%Reduced
IFM Investors Pty Ltd33,302$16.3M0.11%+1,918+6.1%Added
First Manhattan Co32,396$15.9M0.04%−1,423−4.2%Reduced
Pacer Advisors, Inc.32,269$15.8M0.04%+7,379+29.6%Added
Hudson Valley Investment Advisors Inc32,177$15.8M1.92%−5,695−15.0%Reduced
Life Cycle Investment Partners Ltd32,169$15.8M0.07%+32,169New
DnB Asset Management AS31,940$15.7M0.04%+1,806+6.0%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys31,231$15.3M0.07%−1,580−4.8%Reduced
Colony Group, LLC30,981$15.2M0.02%−32,090−50.9%Reduced
Woodline Partners LP30,862$15.1M0.05%+3,273+11.9%Added
Winton Group Ltd30,240$14.8M0.48%+30,240New
M&G Plc29,807$14.6M0.07%+29,807New
Retirement Systems of Alabama29,704$14.6M0.04%−208−0.7%Reduced
Swiss Life Asset Management Ltd29,592$14.5M0.06%+14,195+92.2%Added
Amalgamated Bank29,569$14.5M0.10%+3,926+15.3%Added
Eventide Asset Management, LLC29,559$14.5M0.19%+25,548+636.9%Added
Defiance ETFs, LLC30,940$14.3M0.20%−711−2.2%Reduced
Vontobel Holding Ltd.29,086$14.3M0.05%−4,791−14.1%Reduced
ProShare Advisors LLC28,969$14.2M0.02%+3,414+13.4%Added
Allspring Global Investments Holdings, LLC30,669$14.2M0.02%+13,979+83.8%Added
First Business Financial Services, Inc.28,808$14.1M1.10%−1,242−4.1%Reduced
E Fund Management Co., Ltd.28,758$14.1M0.32%−19,193−40.0%Reduced
Natixis28,754$14.1M0.07%−58,989−67.2%Reduced
Concurrent Investment Advisors, LLC28,752$14.1M0.12%+17,616+158.2%Added
Entropy Technologies, LP28,706$14.1M0.56%+28,706New
Navellier & Associates Inc28,040$13.8M1.09%+4,100+17.1%Added
PensionDanmark Pensionsforsikringsaktieselskab27,410$13.4M0.11%+4,490+19.6%Added
J. Safra Sarasin Holding AG26,691$13.0M0.19%−584−2.1%Reduced
Y-Intercept (Hong Kong) Ltd26,452$13.0M0.26%+26,452New
STRS Ohio25,834$12.7M0.05%+22,460+665.7%Added
Advisor Group Holdings, Inc.25,632$12.6M0.01%−3,394−11.7%Reduced
Varma Mutual Pension Insurance Co25,200$12.4M0.07%+25,200New
UniSuper Management Pty Ltd24,997$12.3M0.06%−1,100−4.2%Reduced
FIL Ltd24,377$12.0M0.01%+2,568+11.8%Added
Voloridge Investment Management, LLC24,300$11.9M0.05%+24,300New
Groupe la Francaise24,275$11.9M0.15%+24,275New
Virginia Retirement Systems Et Al23,740$11.6M0.07%+23,740New
Banco Bilbao Vizcaya Argentaria, S.A.23,338$11.4M0.07%−3,826−14.1%Reduced
GF Fund Management Co. Ltd.23,000$11.3M0.14%−84,979−78.7%Reduced
NEOS Investment Management LLC22,707$11.1M0.04%+2,530+12.5%Added
Rakuten Investment Management, Inc.23,127$11.1M0.03%+2,223+10.6%Added
Calamos Advisors LLC22,203$10.9M0.04%+1,660+8.1%Added
Evergreen Wealth Solutions, LLC24,485$10.8M0.57%−19,966−44.9%Reduced
CWM Advisors, LLC21,918$10.8M0.44%+3,152+16.8%Added
Cramer Rosenthal McGlynn LLC21,869$10.7M0.54%−8,022−26.8%Reduced
Exchange Traded Concepts, LLC21,635$10.6M0.05%−1,307−5.7%Reduced
Utah Retirement Systems21,365$10.5M0.10%−1,568−6.8%Reduced
Police & Firemen's Retirement System of New Jersey21,216$10.4M0.08%−38,966−64.7%Reduced
British Columbia Investment Management Corp21,200$10.4M0.07%+1,787+9.2%Added
Eurizon Capital SGR S.p.A.21,163$10.4M0.03%+1,852+9.6%Added
Wealthfront Advisers LLC21,089$10.3M0.02%−609−2.8%Reduced
JustInvest LLC21,024$10.3M0.08%−1,016−4.6%Reduced
Westfield Capital Management Co LP20,950$10.3M0.03%−10,800−34.0%Reduced
New York Life Investment Management LLC20,949$10.3M0.07%+1,375+7.0%Added
Investment Research Partners LLC20,831$10.2M3.46%+58+0.3%Added
BI Asset Management Fondsmaeglerselskab A/S20,528$10.1M0.08%+11,493+127.2%Added
Sumitomo Mitsui DS Asset Management Company, Ltd20,412$10.0M0.07%+1,430+7.5%Added
Jacobs Levy Equity Management, Inc20,318$9.97M0.04%+20,318New
Pinebridge Investments LLC20,286$9.95M0.08%+19,613+2,914.3%Added
Blair William & Co20,201$9.91M0.03%+706+3.6%Added
CIBC Bancorp USA Inc.20,208$9.91M0.01%−7,948−28.2%Reduced
The PNC Financial Services Group, Inc.19,754$9.69M0.00%+1,928+10.8%Added
Standard Life Aberdeen plc19,565$9.60M0.01%+1,279+7.0%Added
Elo Mutual Pension Insurance Co19,336$9.49M0.12%+1,775+10.1%Added
Livforsakringsbolaget Skandia, Omsesidigt39,986$9.23M0.32%+38,350+2,344.1%Added
Shay Capital LLC18,700$9.17M1.01%+18,700New
MML Investors Services, LLC18,190$8.92M0.02%+1,905+11.7%Added
Burney Co18,094$8.88M0.24%−51−0.3%Reduced
Ritholtz Wealth Management17,942$8.80M0.13%+7,359+69.5%Added
King Luther Capital Management Corp17,827$8.75M0.04%−7,331−29.1%Reduced
ASR Vermogensbeheer N.V.17,665$8.67M0.09%+4,833+37.7%Added
Fifth Third Bancorp17,419$8.55M0.01%+251+1.5%Added
ING Groep NV17,385$8.53M0.04%+17,385New