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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, Q3 2025

Institutional positions in Ciena Corp as of Sep 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
689
+134 vs. Q2 2025
Shares held
139.2M
−1.59M (−1.1%) vs. Q2 2025
Total value
$20.3B
+$8.83B (+77.1%) vs. Q2 2025
New holders
181
175 more added
Sold out
47
261 more reduced

8 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 689 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 heldQ3 2025: $20.3B
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, Q3 2025

Shares, value and share of portfolio for each institution holding Ciena Corp; share changes are against Q2 2025.

Institutions holding CIEN in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC21,158,386$3.08B0.16%−74,244−0.3%Reduced
BlackRock, Inc.15,596,111$2.27B0.04%−1,471,087−8.6%Reduced
Vanguard Group Inc15,068,602$2.20B0.03%−19,843−0.1%Reduced
JPMorgan Chase & Co6,462,840$941.5M0.06%+1,219,787+23.3%Added
State Street Corp4,352,281$634.0M0.02%−102,706−2.3%Reduced
Bank of America Corp3,131,414$456.2M0.03%−364,381−10.4%Reduced
Price T Rowe Associates Inc2,647,493$385.7M0.04%+2,385,270+909.6%Added
Geode Capital Management, LLC2,541,489$370.3M0.02%+38,749+1.5%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.2,506,186$365.1M0.95%−557,449−18.2%Reduced
William Blair Investment Management, LLC2,440,888$355.6M0.92%−267,652−9.9%Reduced
Barrow Hanley Mewhinney & Strauss LLC2,159,454$314.6M1.00%−2,093,357−49.2%Reduced
Lone Pine Capital LLCSuperinvestorLone Pine Capital2,006,662$292.3M2.13%+2,006,662New
Dimensional Fund Advisors LP1,995,699$290.7M0.06%−273,525−12.1%Reduced
Jericho Capital Asset Management L.P.1,983,000$288.9M3.01%+648,000+48.5%Added
Capital World Investors1,836,981$267.6M0.04%+130,507+7.6%Added
Morgan Stanley1,741,875$253.7M0.02%−128,205−6.9%Reduced
AQR Capital Management LLC1,502,468$218.4M0.14%+281,541+23.1%Added
Polar Capital Holdings Plc1,463,211$213.1M1.03%+178,688+13.9%Added
Atreides Management, LP1,400,764$204.0M5.30%+137,946+10.9%Added
Whale Rock Capital Management LLC1,337,800$194.9M2.29%+501,952+60.1%Added
Invesco Ltd.1,238,745$180.4M0.03%+957,187+340.0%Added
Hood River Capital Management LLC1,183,207$172.4M2.04%−32,861−2.7%Reduced
Northern Trust Corp1,183,114$172.3M0.02%−12,183−1.0%Reduced
Arrowstreet Capital, Limited Partnership1,143,855$166.6M0.11%+1,093,557+2,174.2%Added
Citadel Advisors LLC1,086,529$158.3M0.13%+1,076,965+11,260.6%Added
Bank of New York Mellon Corp1,060,924$154.5M0.03%−74,567−6.6%Reduced
Assenagon Asset Management S.A.1,023,157$149.0M0.22%+235,891+30.0%Added
Neuberger Berman Group LLC952,204$138.6M0.10%−519,508−35.3%Reduced
Charles Schwab Investment Management Inc941,775$137.2M0.02%−14,818−1.5%Reduced
Nuveen, LLC931,387$135.7M0.04%−228,775−19.7%Reduced
Senvest Management, LLC867,315$126.3M4.06%−787,697−47.6%Reduced
Wealth Enhancement Advisory Services, LLC804,639$121.9M0.18%−9,340−1.1%Reduced
Schroder Investment Management Group796,779$114.8M0.09%−315,345−28.4%Reduced
Janus Henderson Group PLC730,084$106.4M0.05%−1,501−0.2%Reduced
Analog Century Management LP717,741$104.6M5.61%−181,240−20.2%Reduced
Vaughan Nelson Investment Management, L.P.713,696$104.0M0.95%−522,000−42.2%Reduced
Balyasny Asset Management LLC623,674$90.9M0.18%−408,719−39.6%Reduced
Diamond Hill Capital Management Inc612,861$89.3M0.42%−143,710−19.0%Reduced
Primecap Management Co587,200$85.5M0.07%+32,700+5.9%Added
American Century Companies Inc585,747$85.3M0.04%+106,991+22.3%Added
Point72 Asset Management, L.P.581,022$84.6M0.18%−2,173,653−78.9%Reduced
Munro Partners556,930$81.1M2.22%+556,930New
UBS Group AG553,905$80.7M0.02%+81,882+17.3%Added
Stephens Investment Management Group LLC541,504$78.9M1.02%−129,648−19.3%Reduced
First Trust Advisors LP525,130$76.5M0.06%+5,403+1.0%Added
Anatole Investment Management Ltd523,688$76.3M7.98%+523,688New
Millennium Management LLC503,883$73.4M0.06%+232,357+85.6%Added
UBS Asset Management Americas Inc465,620$67.8M0.01%−198,242−29.9%Reduced
Freestone Grove Partners LP440,269$64.1M0.48%−69,140−13.6%Reduced
Artisan Partners Limited Partnership434,292$63.3M0.09%+434,292New
Deutsche Bank AG406,059$59.2M0.02%+105,951+35.3%Added
Rhumbline Advisers372,436$54.3M0.04%−6,219−1.6%Reduced
Rokos Capital Management LLP368,381$53.7M0.68%−629,044−63.1%Reduced
Raymond James Financial Inc340,226$49.6M0.02%−155,063−31.3%Reduced
ThornTree Capital Partners LP339,141$49.4M7.56%−39,821−10.5%Reduced
North Growth Management Ltd.325,000$47.3M8.24%−82,000−20.1%Reduced
Envestnet Asset Management Inc317,410$46.2M0.01%−83,217−20.8%Reduced
AXA Investment Managers S.A.316,236$46.1M0.12%+316,236New
Principal Financial Group Inc313,965$45.7M0.02%−8,294−2.6%Reduced
Loomis Sayles & Co L P311,353$45.4M0.05%−46,095−12.9%Reduced
SEI Investments Co309,977$45.2M0.05%+99,171+47.0%Added
Colony Capital, Inc.309,880$45.1M3.68%−80,973−20.7%Reduced
Ci Investments Inc.302,443$44.1M0.16%+301,948+60,999.6%Added
Amundi284,782$43.6M0.01%+253,320+805.2%Added
Goldman Sachs Group Inc289,647$42.2M0.01%−209,183−41.9%Reduced
Swiss National Bank274,000$39.9M0.02%+2,300+0.8%Added
Legal & General Group Plc273,881$39.9M0.01%−22,863−7.7%Reduced
Williams Jones Wealth Management, LLC.271,494$39.5M0.45%+6,006+2.3%Added
Royal Bank of Canada264,191$38.5M0.01%+7,649+3.0%Added
Nomura Holdings Inc257,284$37.5M0.17%+257,284New
Citigroup Inc256,575$37.4M0.03%−18,264−6.6%Reduced
Connor, Clark & Lunn Investment Management Ltd.254,738$37.1M0.12%+165,515+185.5%Added
Alliancebernstein L.P.254,067$37.0M0.01%−92,577−26.7%Reduced
Holocene Advisors, LP253,415$36.9M0.08%+253,415New
California Public Employees Retirement System253,068$36.9M0.02%+1,608+0.6%Added
FengHe Fund Management Pte. Ltd.250,400$36.5M3.33%+250,400New
Foundations Investment Advisors, LLC246,846$36.0M0.52%+5,657+2.3%Added
Ameriprise Financial Inc234,609$34.2M0.01%−3,868−1.6%Reduced
Acadian Asset Management LLC233,480$34.0M0.06%+179,374+331.5%Added
Capital Fund Management S.A.222,544$32.4M0.32%−35,706−13.8%Reduced
Becker Capital Management Inc218,076$31.8M0.93%−4,902−2.2%Reduced
Ensign Peak Advisors, Inc215,214$31.4M0.05%−75,683−26.0%Reduced
Ion Asset Management Ltd.211,924$30.9M3.77%−999,340−82.5%Reduced
Titan Global Capital Management USA LLC201,956$29.4M4.33%−10,426−4.9%Reduced
Foursixthree Capital LP198,499$28.9M10.15%−88,748−30.9%Reduced
Natixis Advisors, L.P.189,624$27.6M0.04%−61,771−24.6%Reduced
Marshall Wace, LLP189,393$27.6M0.03%+27,708+17.1%Added
Fort Washington Investment Advisors Inc185,203$27.0M0.15%−49,036−20.9%Reduced
12th Street Asset Management Company, LLC184,952$26.9M4.56%−193,156−51.1%Reduced
Barclays PLC184,266$26.8M0.01%+26,485+16.8%Added
Wells Fargo & Company183,406$26.7M0.01%−56,014−23.4%Reduced
Cramer Rosenthal McGlynn LLC180,730$26.3M1.69%−284,761−61.2%Reduced
Gotham Asset Management, LLC179,127$26.1M0.11%+2,007+1.1%Added
Russell Investments Group, Ltd.180,390$26.1M0.03%−82,041−31.3%Reduced
Allianz Asset Management GmbH176,919$25.8M0.03%+2,931+1.7%Added
Retirement Systems of Alabama170,920$24.9M0.08%−2,814−1.6%Reduced
Boothbay Fund Management, LLC163,127$23.8M0.61%+34,851+27.2%Added
Bridgewater Associates, LP161,707$23.6M0.09%+113,751+237.2%Added
Massachusetts Financial Services Co161,622$23.5M0.01%+161,622New
Trexquant Investment LP157,265$22.9M0.24%+157,265New