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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
Atria Investments LLC48,634$3.96M0.05%+8,413+20.9%Added
New Age Alpha Advisors, LLC48,636$3.96M0.17%−8,184−14.4%Reduced
Jefferies Financial Group Inc.49,400$4.02M0.07%+49,400New
Yousif Capital Management, LLC49,549$4.03M0.04%−1,178−2.3%Reduced
Flputnam Investment Management Co49,959$4.06M0.07%+13,683+37.7%Added
Arrowstreet Capital, Limited Partnership50,298$4.09M0.00%−151,069−75.0%Reduced
State of New Jersey Common Pension Fund D50,404$4.10M0.02%−305−0.6%Reduced
Quantinno Capital Management LP52,720$4.29M0.02%+24,022+83.7%Added
First Manhattan Co52,872$4.30M0.01%−6,955−11.6%Reduced
Police & Firemen's Retirement System of New Jersey54,009$4.39M0.04%+2,455+4.8%Added
Acadian Asset Management LLC54,106$4.40M0.01%−7,238−11.8%Reduced
Systematic Financial Management LP54,980$4.47M0.12%−180−0.3%Reduced
Squarepoint Ops LLC55,910$4.55M0.01%−6,484−10.4%Reduced
Aristotle Capital Boston, LLC57,382$4.67M0.24%−10,934−16.0%Reduced
State of Tennessee, Treasury Department57,457$4.67M0.02%+3,112+5.7%Added
Cerity Partners LLC62,021$5.04M0.01%+575+0.9%Added
Jain Global LLC63,120$5.13M0.08%+63,120New
Mariner, LLC63,281$5.15M0.01%+10,263+19.4%Added
LPL Financial LLC64,029$5.21M0.00%+15,150+31.0%Added
D. E. Shaw & Co., Inc.65,331$5.31M0.01%−52,671−44.6%Reduced
Amalgamated Bank65,428$5.32M0.04%+303+0.5%Added
Treasurer of the State of North Carolina65,894$5.36M0.02%+1,165+1.8%Added
Kornitzer Capital Management Inc68,769$5.59M0.11%00.0%Unchanged
Select Equity Group, L.P.69,873$5.68M0.02%−2,069−2.9%Reduced
Mutual of America Capital Management LLC70,689$5.75M0.06%−5,840−7.6%Reduced
Stanley-Laman Group, Ltd.73,076$5.94M0.88%+73,076New
Two Sigma Advisers, LP75,116$6.11M0.01%−101,800−57.5%Reduced
Amitell Capital Pte Ltd76,314$6.21M3.49%+76,314New
MetLife Investment Management76,524$6.22M0.04%−2,381−3.0%Reduced
Norges Bank78,190$6.36M0.00%+7,616+10.8%Added
Granahan Investment Management Inc80,621$6.56M0.27%+8,838+12.3%Added
New York State Common Retirement Fund80,786$6.57M0.01%00.0%Unchanged
Voya Investment Management LLC82,892$6.74M0.01%+10,568+14.6%Added
Oddo BHF Asset Management SAS84,352$6.86M0.26%+84,352New
Providence Capital Advisors, LLC85,235$6.93M1.27%+535+0.6%Added
Hudson Valley Investment Advisors Inc88,578$7.20M0.79%−8,965−9.2%Reduced
Connor, Clark & Lunn Investment Management Ltd.89,223$7.26M0.03%−42,656−32.3%Reduced
National Bank of Canada95,781$7.79M0.01%+94,634+8,250.6%Added
ExodusPoint Capital Management, LP95,865$7.80M0.09%+55,382+136.8%Added
Twin Tree Management, LP97,040$7.89M0.20%+49,841+105.6%Added
Bienville Capital Management, LLC99,476$8.09M1.59%+45,424+84.0%Added
Front Street Capital Management, Inc.100,296$8.16M1.56%−76−0.1%Reduced
Stifel Financial Corp101,798$8.28M0.01%−3,396−3.2%Reduced
Maytus Capital Management, LLC101,808$8.28M1.53%+101,808New
Tectonic Advisors LLC103,319$8.40M0.49%+11,772+12.9%Added
Great West Life Assurance Co104,784$8.53M0.01%−3,666−3.4%Reduced
Manufacturers Life Insurance Company, The106,378$8.65M0.01%−5,468−4.9%Reduced
Westerly Capital Management, LLC110,000$8.95M3.79%−15,000−12.0%Reduced
Ardsley Advisory Partners LP110,000$8.95M1.46%+10,500+10.6%Added
Bank Julius Baer & Co. Ltd, Zurich110,468$8.98M0.03%−2,255−2.0%Reduced
DDD Partners, LLC113,135$9.20M0.99%+2,659+2.4%Added
Prudential Financial Inc114,076$9.28M0.01%+10,105+9.7%Added
First Eagle Investment Management, LLC118,349$9.63M0.02%+118,349New
Two Sigma Investments, LP120,804$9.82M0.02%−344,260−74.0%Reduced
Silvercrest Asset Management Group LLC121,811$9.91M0.07%+54,485+80.9%Added
State of Wisconsin Investment Board124,351$10.1M0.02%−13,436−9.8%Reduced
Boothbay Fund Management, LLC128,276$10.4M0.33%−107,452−45.6%Reduced
California State Teachers Retirement System133,382$10.8M0.01%−195−0.1%Reduced
Intech Investment Management LLC135,687$11.0M0.10%+113+0.1%Added
Channing Capital Management, LLC139,622$11.4M0.32%+139,622New
Oppenheimer Asset Management Inc.145,558$11.8M0.14%+27,356+23.1%Added
State Board of Administration of Florida Retirement System145,781$11.9M0.02%+1,530+1.1%Added
LMCG Investments, LLC146,634$11.9M0.75%−7,465−4.8%Reduced
New York State Teachers Retirement System148,827$12.1M0.03%00.0%Unchanged
Macquarie Group Ltd150,346$12.2M0.02%−12,857−7.9%Reduced
Peregrine Capital Management LLC153,979$12.5M0.38%−46,390−23.2%Reduced
J. Safra Sarasin Holding AG155,071$12.6M0.22%−17,987−10.4%Reduced
Barclays PLC157,781$12.8M0.01%+29,303+22.8%Added
Marshall Wace, LLP161,685$13.1M0.02%−399,488−71.2%Reduced
Verition Fund Management LLC166,116$13.5M0.08%−21,618−11.5%Reduced
PEAK6 LLC166,306$13.5M0.46%+166,306New
Penserra Capital Management LLC168,211$13.7M0.19%+127,820+316.5%Added
Retirement Systems of Alabama173,734$14.1M0.05%+762+0.4%Added
Allianz Asset Management GmbH173,988$14.2M0.02%+70,551+68.2%Added
Gotham Asset Management, LLC177,120$14.4M0.09%+10,029+6.0%Added
Glenmede Investment Management, LP184,849$15.0M0.08%+184,849New
Impax Asset Management Group plc189,914$15.4M0.09%+40,000+26.7%Added
SEI Investments Co210,806$17.1M0.02%−38,615−15.5%Reduced
Titan Global Capital Management USA LLC212,382$17.3M2.72%+101,987+92.4%Added
Becker Capital Management Inc222,978$18.1M0.57%−18,819−7.8%Reduced
Fort Washington Investment Advisors Inc234,239$19.1M0.11%−28,734−10.9%Reduced
Ameriprise Financial Inc238,477$19.4M0.00%+7,207+3.1%Added
Wells Fargo & Company239,420$19.5M0.00%+1,708+0.7%Added
Foundations Investment Advisors, LLC241,189$19.6M0.31%+26,507+12.3%Added
Caxton Associates LLP250,000$20.3M0.53%+187,658+301.0%Added
Perpetual Ltd250,289$20.4M0.24%+18,803+8.1%Added
Natixis Advisors, L.P.251,395$20.4M0.03%+112,748+81.3%Added
California Public Employees Retirement System251,460$20.5M0.01%+17,294+7.4%Added
Royal Bank of Canada256,542$20.9M0.00%+62,355+32.1%Added
Capital Fund Management S.A.258,250$21.0M0.23%−99,318−27.8%Reduced
Price T Rowe Associates Inc262,223$21.3M0.00%−907,726−77.6%Reduced
Russell Investments Group, Ltd.262,431$21.5M0.03%+48,989+23.0%Added
Williams Jones Wealth Management, LLC.265,488$21.6M0.26%−4,265−1.6%Reduced
Millennium Management LLC271,526$22.1M0.02%−362,525−57.2%Reduced
Swiss National Bank271,700$22.1M0.01%−3,600−1.3%Reduced
Citigroup Inc274,839$22.4M0.02%−53,756−16.4%Reduced
Invesco Ltd.281,558$22.9M0.00%−51,066−15.4%Reduced
Sora Investors LLC283,025$23.0M2.08%+283,025New
LMR Partners LLP285,000$23.2M0.36%+210,000+280.0%Added
Foursixthree Capital LP287,247$23.4M10.72%+287,247New