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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 20 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
Mairs & Power Inc4,000$325.3K0.00%+4,000New
Pinnacle Associates Ltd4,011$326.2K0.00%+4,011New
Tower Research Capital LLC (TRC)4,049$329.3K0.01%−6,956−63.2%Reduced
Wolverine Trading, LLC4,079$335.0K0.01%+4,079New
Moors & Cabot, Inc.4,312$350.7K0.02%00.0%Unchanged
Avantax Advisory Services, Inc.4,353$354.0K0.00%+4,353New
Prudential PLC4,362$354.8K0.00%−1,507−25.7%Reduced
Beacon Pointe Advisors, LLC4,541$369.3K0.00%+5+0.1%Added
CIBC Asset Management Inc4,563$371.1K0.00%00.0%Unchanged
Coldstream Capital Management Inc4,693$381.7K0.01%+132+2.9%Added
Fifth Third Wealth Advisors LLC4,777$388.5K0.02%+19+0.4%Added
Canada Pension Plan Investment Board4,800$390.4K0.00%+3,300+220.0%Added
EntryPoint Capital, LLC4,805$390.8K0.20%−5,965−55.4%Reduced
Quest Partners LLC5,026$408.8K0.04%−1,124−18.3%Reduced
Parallel Advisors, LLC5,028$408.9K0.01%+92+1.9%Added
Shelton Capital Management5,041$410.0K0.01%−259−4.9%Reduced
GWM Advisors LLC5,078$413.0K0.00%+3,887+326.4%Added
Engineers Gate Manager LP5,104$415.1K0.01%−19,693−79.4%Reduced
Panagora Asset Management Inc5,197$422.7K0.00%−240−4.4%Reduced
Shay Capital LLC5,200$422.9K0.10%+5,200New
Marex Group plc5,342$434.5K0.01%+911+20.6%Added
Greenleaf Trust5,390$438.4K0.00%−778−12.6%Reduced
QRG Capital Management, Inc.5,395$438.8K0.00%−232−4.1%Reduced
Brighton Jones LLC5,445$442.9K0.01%+5,445New
Institute for Wealth Management, LLC.5,469$444.8K0.05%+5,469New
Janney Capital Management LLC5,522$449.0K0.03%−2,939−34.7%Reduced
CIBC World Markets Inc.5,960$484.7K0.00%−436−6.8%Reduced
Signaturefd, LLC6,001$488.1K0.01%−196−3.2%Reduced
Sanctuary Advisors, LLC6,068$493.5K0.00%+794+15.1%Added
Keybank National Association6,292$511.7K0.00%−283−4.3%Reduced
ProShare Advisors LLC6,301$512.5K0.00%+247+4.1%Added
Diversified Trust Co6,313$513.4K0.01%+6,313New
Integrated Wealth Concepts LLC6,385$519.3K0.01%+3,030+90.3%Added
Nisa Investment Advisors, LLC6,395$520.1K0.00%−325−4.8%Reduced
PSI Advisors, LLC6,396$520.2K0.26%00.0%Unchanged
Stephens Inc6,600$536.8K0.01%+1,149+21.1%Added
HB Wealth Management, LLC6,662$541.8K0.00%−1,309−16.4%Reduced
PFG Investments, LLC6,666$542.1K0.03%−260−3.8%Reduced
Advisors Asset Management, Inc.6,702$545.1K0.01%+1,593+31.2%Added
Equitable Holdings, Inc.6,716$546.2K0.00%+1,720+34.4%Added
Maryland State Retirement & Pension System6,727$547.1K0.01%00.0%Unchanged
Dynamic Technology Lab Private Ltd6,787$552.0K0.08%+6,787New
Summit Trail Advisors, LLC6,827$555.2K0.01%+6,827New
Janney Montgomery Scott LLC6,868$559.0K0.00%+1,575+29.8%Added
TradeLink Capital LLC6,942$565.0K2.00%+6,942New
Merit Financial Group, LLC6,952$565.4K0.01%+1,405+25.3%Added
Fedenia Advisers LLC6,976$567.4K0.27%+335+5.0%Added
Prelude Capital Management, LLC7,000$569.3K0.06%+7,000New
Kestra Private Wealth Services, LLC7,019$570.9K0.01%−2,394−25.4%Reduced
Brevan Howard Capital Management LP7,078$575.7K0.01%−15,041−68.0%Reduced
Summit Financial, LLC7,096$577.1K0.01%+273+4.0%Added
Baird Financial Group, Inc.7,214$586.7K0.00%−499−6.5%Reduced
SkyOak Wealth, LLC7,400$601.8K0.12%00.0%Unchanged
Polymer Capital Management (US) LLC7,430$604.3K0.10%+7,430New
Advisor Group Holdings, Inc.7,578$613.6K0.00%+1,148+17.9%Added
CenterStar Asset Management, LLC7,823$635.7K0.78%+7,823New
Mackenzie Financial Corp7,871$640.1K0.00%00.0%Unchanged
Principal Street Partners, LLC7,926$644.6K0.06%−287−3.5%Reduced
Winton Group Ltd7,974$648.5K0.03%−9,225−53.6%Reduced
Generali Investments Towarzystwo Funduszy Inwestycyjnych8,000$650.6K0.34%00.0%Unchanged
Connective Portfolio Management, LLC8,000$650.6K1.39%+8,000New
Fulton Bank, N.A.8,126$660.9K0.02%+423+5.5%Added
Pallas Capital Advisors LLC8,163$663.9K0.03%+108+1.3%Added
Bailard, Inc.8,253$671.2K0.02%+8,253New
Rafferty Asset Management, LLC8,353$679.3K0.00%+185+2.3%Added
Lido Advisors, LLC8,436$686.1K0.00%+3,633+75.6%Added
CI Private Wealth, LLC8,467$688.6K0.00%−7,956−48.4%Reduced
Colony Group, LLC8,651$703.6K0.00%+2,889+50.1%Added
Profund Advisors LLC8,714$708.7K0.03%−2,885−24.9%Reduced
Sherbrooke Park Advisers LLC8,813$716.8K0.31%+8,813New
O'Shaughnessy Asset Management, LLC9,081$738.6K0.01%+2,810+44.8%Added
Versor Investments LP9,200$748.2K0.13%+9,200New
Cornerstone Investment Partners, LLC9,204$748.6K0.03%−101−1.1%Reduced
Sterling Capital Management LLC9,390$763.7K0.01%+1,526+19.4%Added
GMT Capital Corp9,410$765.3K0.03%00.0%Unchanged
Central Pacific Bank - Trust Division9,431$767.0K0.10%−370−3.8%Reduced
Crossmark Global Holdings, Inc.9,505$773.0K0.01%+167+1.8%Added
Citadel Advisors LLC9,564$777.8K0.00%−382,137−97.6%Reduced
Perkins Capital Management Inc9,650$784.8K0.79%−4,500−31.8%Reduced
Rice Hall James & Associates, LLC9,829$799.4K0.04%+30.0%Added
SG Americas Securities, LLC9,946$809.0K0.00%+355+3.7%Added
One Capital Management, LLC10,072$819.2K0.03%+10,072New
Vestcor Inc10,080$820.0K0.02%00.0%Unchanged
Ostrum Asset Management10,090$820.6K0.04%+10,090New
Mercer Global Advisors Inc10,253$833.9K0.00%+2,121+26.1%Added
Ashton Thomas Private Wealth, LLC10,281$836.2K0.03%+729+7.6%Added
Fox Run Management, L.L.C.10,336$840.6K0.14%−3,165−23.4%Reduced
US Bancorp10,418$847.3K0.00%−560−5.1%Reduced
Maverick Capital LtdSuperinvestorMaverick Capital10,546$857.7K0.01%00.0%Unchanged
Joule Financial, LLC10,690$869.4K0.28%+300+2.9%Added
Securian Asset Management, Inc10,793$877.8K0.03%00.0%Unchanged
M&T Bank Corp10,886$885.6K0.00%+1,121+11.5%Added
Circle Wealth Management, LLC10,970$892.2K0.02%−306−2.7%Reduced
Capstone Investment Advisors, LLC11,434$929.9K0.01%+11,434New
Hillsdale Investment Management Inc.11,500$935.3K0.03%+1,700+17.3%Added
Sphera Management Technology Funds Ltd12,000$976.0K0.60%00.0%Unchanged
NorthCrest Asset Manangement, LLC12,038$979.7K0.03%+26+0.2%Added
Gifford Fong Associates12,255$997.0K0.23%00.0%Unchanged
HighTower Advisors, LLC12,482$1.02M0.00%−142−1.1%Reduced
K2 Principal Fund, L.P.13,013$1.06M0.19%00.0%Unchanged