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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
Ensign Peak Advisors, Inc290,897$23.7M0.04%+238,590+456.1%Added
Legal & General Group Plc296,744$24.1M0.01%+1,180+0.4%Added
Deutsche Bank AG300,108$24.4M0.01%−6,198−2.0%Reduced
Principal Financial Group Inc322,259$26.2M0.01%−4,758−1.5%Reduced
Alliancebernstein L.P.346,644$28.2M0.01%−84,873−19.7%Reduced
AXA S.A.349,381$28.4M0.08%−119,716−25.5%Reduced
Loomis Sayles & Co L P357,448$29.1M0.04%−63,453−15.1%Reduced
12th Street Asset Management Company, LLC378,108$30.8M5.29%+68,553+22.1%Added
Rhumbline Advisers378,655$30.8M0.03%−2,705−0.7%Reduced
ThornTree Capital Partners LP378,962$30.8M5.13%−54,527−12.6%Reduced
Colony Capital, Inc.390,853$31.8M3.18%−64,212−14.1%Reduced
Envestnet Asset Management Inc400,627$32.4M0.01%+41,166+11.5%Added
SG Capital Management LLC404,735$32.9M2.80%+404,735New
North Growth Management Ltd.407,000$33.1M6.21%−22,000−5.1%Reduced
Woodline Partners LP434,502$35.3M0.19%−380,012−46.7%Reduced
Cramer Rosenthal McGlynn LLC465,491$37.9M2.60%+66,518+16.7%Added
UBS Group AG472,023$38.4M0.01%−547,925−53.7%Reduced
American Century Companies Inc478,756$38.9M0.02%+429,780+877.5%Added
Raymond James Financial Inc495,289$40.3M0.01%+7,127+1.5%Added
Goldman Sachs Group Inc498,830$40.6M0.01%+276,776+124.6%Added
Freestone Grove Partners LP509,409$41.4M0.31%+509,409New
First Trust Advisors LP519,727$42.3M0.03%−23,418−4.3%Reduced
Thrivent Financial for Lutherans534,254$43.5M0.10%−1,283,357−70.6%Reduced
Primecap Management Co554,500$45.1M0.04%+75,950+15.9%Added
UBS Asset Management Americas Inc663,862$54.0M0.01%+155,075+30.5%Added
Stephens Investment Management Group LLC671,152$54.6M0.72%−9,685−1.4%Reduced
Janus Henderson Group PLC731,585$59.5M0.03%−77,014−9.5%Reduced
Diamond Hill Capital Management Inc756,571$61.5M0.28%−66,510−8.1%Reduced
Assenagon Asset Management S.A.787,266$64.0M0.10%+747,576+1,883.5%Added
Wealth Enhancement Advisory Services, LLC813,979$66.2M0.11%+2,968+0.4%Added
Whale Rock Capital Management LLC835,848$68.0M0.94%+835,848New
Analog Century Management LP898,981$73.1M4.29%+57,670+6.9%Added
Charles Schwab Investment Management Inc956,593$77.8M0.01%+3,788+0.4%Added
Rokos Capital Management LLP997,425$81.1M1.36%+843,235+546.9%Added
Balyasny Asset Management LLC1,032,393$84.0M0.19%+1,004,323+3,577.9%Added
Schroder Investment Management Group1,112,124$90.4M0.08%+132,595+13.5%Added
Bank of New York Mellon Corp1,135,491$92.3M0.02%−44,228−3.7%Reduced
Nuveen, LLC1,160,162$94.4M0.03%+723+0.1%Added
Northern Trust Corp1,195,297$97.2M0.01%−12,778−1.1%Reduced
Ion Asset Management Ltd.1,211,264$98.5M5.95%−145,488−10.7%Reduced
Hood River Capital Management LLC1,216,068$98.9M1.38%+368,386+43.5%Added
AQR Capital Management LLC1,220,927$99.3M0.08%+677,299+124.6%Added
Vaughan Nelson Investment Management, L.P.1,235,696$100.5M0.94%+975,792+375.4%Added
Atreides Management, LP1,262,818$102.7M2.85%+1,262,818New
Polar Capital Holdings Plc1,284,523$104.5M0.55%+49,546+4.0%Added
Jericho Capital Asset Management L.P.1,335,000$108.6M1.45%+1,335,000New
Neuberger Berman Group LLC1,471,712$119.7M0.09%−175,362−10.6%Reduced
Senvest Management, LLC1,655,012$134.6M4.51%+182,900+12.4%Added
Capital World Investors1,706,474$138.8M0.02%−146,535−7.9%Reduced
Morgan Stanley1,870,080$152.1M0.01%+336,526+21.9%Added
Dimensional Fund Advisors LP2,269,224$184.6M0.04%−108,254−4.6%Reduced
Geode Capital Management, LLC2,502,740$203.6M0.01%+2990.0%Added
William Blair Investment Management, LLC2,708,540$220.3M0.58%+702,909+35.0%Added
Point72 Asset Management, L.P.2,754,675$224.0M0.53%+763,422+38.3%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.3,063,635$249.2M0.61%−289,723−8.6%Reduced
Bank of America Corp3,495,795$284.3M0.02%+329,821+10.4%Added
Barrow Hanley Mewhinney & Strauss LLC4,252,811$345.9M1.17%+456,900+12.0%Added
State Street Corp4,454,987$362.3M0.01%−109,666−2.4%Reduced
JPMorgan Chase & Co5,243,053$426.4M0.03%+407,379+8.4%Added
Vanguard Group Inc15,088,445$1.23B0.02%+103,199+0.7%Added
BlackRock, Inc.17,067,198$1.39B0.03%+27,897+0.2%Added
FMR LLC21,232,630$1.73B0.10%−80,393−0.4%Reduced
Vestor Capital, LLC19,907––+17,207+637.3%Added
Qube Research & Technologies Ltd0$00.00%−849,833−100.0%Sold out
Alyeska Investment Group, L.P.0$00.00%−596,830−100.0%Sold out
Oribel Capital Management, LP0$00.00%−415,400−100.0%Sold out
Renaissance Technologies LLC0$00.00%−309,174−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−305,767−100.0%Sold out
Talos Asset Management LP0$00.00%−297,162−100.0%Sold out
Grantham, Mayo, Van Otterloo & Co. LLC0$00.00%−252,853−100.0%Sold out
TD Asset Management Inc0$00.00%−201,882−100.0%Sold out
Walleye Capital LLC0$00.00%−199,296−100.0%Sold out
Jump Financial, LLC0$00.00%−160,364−100.0%Sold out
Corebridge Financial, Inc.0$00.00%−156,968−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−149,673−100.0%Sold out
Manchester Global Management (UK) Ltd0$00.00%−130,640−100.0%Sold out
Point72 Hong Kong Ltd0$00.00%−125,817−100.0%Sold out
Royce & Associates LP0$00.00%−118,588−100.0%Sold out
Susquehanna Fundamental Investments, LLC0$00.00%−100,066−100.0%Sold out
Twinbeech Capital LP0$00.00%−90,170−100.0%Sold out
Y-Intercept (Hong Kong) Ltd0$00.00%−71,243−100.0%Sold out
Aquatic Capital Management LLC0$00.00%−70,353−100.0%Sold out
Apis Capital Advisors, LLC0$00.00%−69,000−100.0%Sold out
HRT Financial LP0$00.00%−63,003−100.0%Sold out
Magnetar Financial LLC0$00.00%−59,933−100.0%Sold out
Lumbard & Kellner, LLC0$00.00%−58,904−100.0%Sold out
FORA Capital, LLC0$00.00%−42,767−100.0%Sold out
LHM, Inc.0$00.00%−42,386−100.0%Sold out
First Sabrepoint Capital Management LP0$00.00%−40,000−100.0%Sold out
EAM Investors, LLC0$00.00%−32,512−100.0%Sold out
Occudo Quantitative Strategies LP0$00.00%−29,943−100.0%Sold out
Cinctive Capital Management LP0$00.00%−28,282−100.0%Sold out
HighVista Strategies LLC0$00.00%−24,300−100.0%Sold out
Neo Ivy Capital Management0$00.00%−23,996−100.0%Sold out
F/M Investments LLC0$00.00%−23,913−100.0%Sold out
Quantitative Investment Management, LLC0$00.00%−22,797−100.0%Sold out
Convergence Investment Partners, LLC0$00.00%−16,098−100.0%Sold out
State of Wyoming0$00.00%−14,347−100.0%Sold out
Lecap Asset Management Ltd0$00.00%−14,098−100.0%Sold out
Oak Thistle LLC0$00.00%−14,012−100.0%Sold out