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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 21 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 2025

Institutional positions in Ciena Corp as of Jun 30, 2025. 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
563
+23 vs. Q1 2025
Shares held
140.8M
+4.54M (+3.3%) vs. Q1 2025
Total value
$11.5B
+$3.21B (+39.0%) vs. Q1 2025
New holders
104
201 more added
Sold out
81
178 more reduced

4 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2025: 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 2025: 563 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 2025: $11.5B
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 2025

Shares, value and share of portfolio for each institution holding Ciena Corp; share changes are against Q1 2025.

Institutions holding CIEN in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Axq Capital, LP0$00.00%−12,811−100.0%Sold out
Pinebridge Investments, L.P.0$00.00%−12,482−100.0%Sold out
Virtue Capital Management, LLC0$00.00%−12,324−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−11,870−100.0%Sold out
Inceptionr LLC0$00.00%−10,017−100.0%Sold out
United Services Automobile Association0$00.00%−9,434−100.0%Sold out
Ontario Teachers Pension Plan Board0$00.00%−9,021−100.0%Sold out
Blueshift Asset Management, LLC0$00.00%−7,269−100.0%Sold out
USA Financial Portformulas Corp0$00.00%−7,126−100.0%Sold out
Jacobs Levy Equity Management, Inc0$00.00%−6,531−100.0%Sold out
Tradewinds, LLC.0$00.00%−6,505−100.0%Sold out
Congress Asset Management Co0$00.00%−6,293−100.0%Sold out
Sanders Morris Harris LLC0$00.00%−6,000−100.0%Sold out
Lighthouse Investment Partners, LLC0$00.00%−6,000−100.0%Sold out
Scientech Research LLC0$00.00%−5,002−100.0%Sold out
Mirae Asset Global Investments Co., Ltd.0$00.00%−4,851−100.0%Sold out
Virtu Financial LLC0$00.00%−4,934−100.0%Sold out
ISAM Funds (UK) Ltd0$00.00%−4,444−100.0%Sold out
Petrus Trust Company, LTA0$00.00%−4,244−100.0%Sold out
Quadrature Capital Ltd0$00.00%−4,159−100.0%Sold out
Rockland Trust Co0$00.00%−4,128−100.0%Sold out
TownSquare Capital, LLC0$00.00%−4,065−100.0%Sold out
Choate Investment Advisors0$00.00%−3,864−100.0%Sold out
Centiva Capital, LP0$00.00%−3,819−100.0%Sold out
Farringdon Capital, Ltd.0$00.00%−3,778−100.0%Sold out
Bayesian Capital Management, LP0$00.00%−3,405−100.0%Sold out
Carolinas Wealth Consulting LLC0$00.00%−1,750−100.0%Sold out
Quarry LP0$00.00%−1,593−100.0%Sold out
Arrowpoint Investment Partners (Singapore) Pte. Ltd.0$00.00%−1,552−100.0%Sold out
Aster Capital Management (DIFC) Ltd0$00.00%−672−100.0%Sold out
Cloud Capital Management, LLC0$00.00%−317−100.0%Sold out
Flaharty Asset Management, LLC0$00.00%−240−100.0%Sold out
Mather Group, LLC.0$00.00%−195−100.0%Sold out
Quent Capital, LLC0$00.00%−109−100.0%Sold out
Hexagon Capital Partners LLC0$00.00%−87−100.0%Sold out
Global Financial Private Client, LLC0$00.00%−23−100.0%Sold out
Golden State Wealth Management, LLC0$00.00%−8−100.0%Sold out
Private Wealth Asset Management, LLC0$00.00%−7−100.0%Sold out
Highline Wealth Partners LLC0$00.00%−7−100.0%Sold out
Creative Financial Designs Inc0$00.00%−5−100.0%Sold out
Greenline Partners, LLC0$00.00%−5−100.0%Sold out
Caitong International Asset Management Co., Ltd0$00.00%−5−100.0%Sold out
HHM Wealth Advisors, LLC0$00.00%−3−100.0%Sold out
Fairman Group, LLC0$00.00%−1−100.0%Sold out
Glenmede Trust Co NA––––Not filed
Orion Portfolio Solutions, LLC––––Not filed
Lindbrook Capital, LLC––––Not filed
Sofos Investments, Inc.––––Not filed