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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, Q1 2026

Institutional positions in Ciena Corp as of Mar 31, 2026. 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
1,085
+243 vs. Q4 2025
Shares held
134.3M
+479.3K (+0.4%) vs. Q4 2025
Total value
$51.8B
+$23.2B (+81.3%) vs. Q4 2025
New holders
321
317 more added
Sold out
78
365 more reduced

12 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 1,085 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 heldQ1 2026: $51.8B
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, Q1 2026

Shares, value and share of portfolio for each institution holding Ciena Corp; share changes are against Q4 2025.

Institutions holding CIEN in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Credit Agricole S A37,146$14.4M0.05%−8,812−19.2%Reduced
Rafferty Asset Management, LLC37,107$14.4M0.06%+30,236+440.1%Added
State of Michigan Retirement System36,800$14.3M0.08%+3,504+10.5%Added
Flputnam Investment Management Co35,767$13.9M0.21%+6,762+23.3%Added
Penserra Capital Management LLC35,201$13.7M0.16%−45,981−56.6%Reduced
Abn Amro Investment Solutions34,300$13.3M0.17%−20,894−37.9%Reduced
Mercer Global Advisors Inc34,261$13.3M0.02%+5,649+19.7%Added
CI Private Wealth, LLC34,280$13.2M0.02%+9,967+41.0%Added
Migdal Insurance & Financial Holdings Ltd.34,000$13.2M0.11%+33,286+4,661.9%Added
CIBC Asset Management Inc33,918$13.2M0.03%+27,386+419.3%Added
Vontobel Holding Ltd.33,877$13.2M0.05%−5,825−14.7%Reduced
First Manhattan Co33,819$13.1M0.04%−12,322−26.7%Reduced
MetLife Investment Management32,916$12.8M0.07%−36,009−52.2%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys32,811$12.7M0.06%−2,487−7.0%Reduced
Cetera Investment Advisers32,043$12.4M0.01%+48+0.2%Added
Westfield Capital Management Co LP31,750$12.3M0.05%00.0%Unchanged
Defiance ETFs, LLC31,651$12.3M0.18%−48,770−60.6%Reduced
IFM Investors Pty Ltd31,384$12.2M0.10%+1,100+3.6%Added
DnB Asset Management AS30,134$11.7M0.04%+2,607+9.5%Added
First Business Financial Services, Inc.30,050$11.7M1.04%+3,310+12.4%Added
Retirement Systems of Alabama29,912$11.6M0.04%−139,378−82.3%Reduced
Cramer Rosenthal McGlynn LLC29,891$11.6M0.85%−66,673−69.0%Reduced
Advisor Group Holdings, Inc.29,026$11.3M0.02%+8,202+39.4%Added
CIBC Bancorp USA Inc.28,156$10.9M0.01%+28,156New
BW Gestao de Investimentos Ltda.28,085$10.9M0.49%+28,085New
Wealth High Governance Capital Ltda28,032$10.9M3.27%+28,032New
ION Fund Management Ltd27,665$10.7M1.64%−48,335−63.6%Reduced
Science & Technology Partners, L.P.27,592$10.7M2.81%+27,592New
Woodline Partners LP27,589$10.7M0.04%+24,990+961.5%Added
J. Safra Sarasin Holding AG27,275$10.6M0.18%−13,395−32.9%Reduced
Banco Bilbao Vizcaya Argentaria, S.A.27,164$10.4M0.07%+27,164New
Analyst IMS Investment Management Services Ltd.26,526$10.3M0.31%00.0%Unchanged
UniSuper Management Pty Ltd26,097$10.1M0.07%+23,297+832.0%Added
Amalgamated Bank25,643$9.96M0.08%−36,976−59.0%Reduced
ProShare Advisors LLC25,555$9.92M0.01%+19,899+351.8%Added
Holocene Advisors, LP25,550$9.92M0.02%−404,607−94.1%Reduced
Oak Harvest Investment Services25,500$9.90M1.03%−3,268−11.4%Reduced
Xponance, Inc.25,441$9.88M0.07%+4,038+18.9%Added
Tortoise Capital Advisors, L.L.C.25,418$9.87M0.10%−596−2.3%Reduced
Public Sector Pension Investment Board25,166$9.77M0.03%+25,166New
King Luther Capital Management Corp25,158$9.77M0.04%−21,175−45.7%Reduced
Pacer Advisors, Inc.24,890$9.66M0.03%−12,290−33.1%Reduced
OP Asset Management Ltd24,637$9.56M0.10%−314−1.3%Reduced
CIBC World Markets Inc.24,576$9.54M0.02%+18,716+319.4%Added
Broad Peak Investment Advisers Pte Ltd24,300$9.43M1.91%+24,300New
Daiwa Securities Group Inc.24,281$9.43M0.03%+11,681+92.7%Added
Navellier & Associates Inc23,940$9.29M0.97%+8,658+56.7%Added
Man Group plc23,387$9.08M0.02%−6,714−22.3%Reduced
Oppenheimer Asset Management Inc.23,374$9.07M0.10%−40,702−63.5%Reduced
HRT Financial LP22,995$8.93M0.02%+10,677+86.7%Added
Chapin Davis, Inc.22,959$8.91M1.99%+22,959New
Exchange Traded Concepts, LLC22,942$8.91M0.07%+19,543+575.0%Added
Utah Retirement Systems22,933$8.90M0.09%−345−1.5%Reduced
PensionDanmark Pensionsforsikringsaktieselskab22,920$8.90M0.09%+8,872+63.2%Added
JustInvest LLC22,040$8.56M0.08%+1,617+7.9%Added
FIL Ltd21,809$8.47M0.01%+7,114+48.4%Added
Wealthfront Advisers LLC21,698$8.42M0.02%+19,086+730.7%Added
VMS Asset Management Limited21,645$8.40M5.13%+21,645New
Investment Research Partners LLC20,773$8.06M3.28%−2,689−11.5%Reduced
Empowered Funds, LLC20,663$8.02M0.05%+20,663New
Park Avenue Securities LLC20,585$7.99M0.06%−8,804−30.0%Reduced
Calamos Advisors LLC20,543$7.98M0.03%+5,879+40.1%Added
EverSource Wealth Advisors, LLC20,512$7.96M0.24%−3,601−14.9%Reduced
Federation des caisses Desjardins du Quebec20,251$7.86M0.03%+9,028+80.4%Added
NEOS Investment Management LLC20,177$7.83M0.04%+20,177New
Rakuten Investment Management, Inc.20,904$7.63M0.02%+14,929+249.9%Added
New York Life Investment Management LLC19,574$7.60M0.06%+19,574New
Blair William & Co19,495$7.57M0.02%+922+5.0%Added
British Columbia Investment Management Corp19,413$7.54M0.04%−5,616−22.4%Reduced
Eurizon Capital SGR S.p.A.19,311$7.46M0.02%+4,774+32.8%Added
Guggenheim Capital LLC19,197$7.45M0.06%−353−1.8%Reduced
XTX Topco Ltd19,188$7.45M0.13%+16,523+620.0%Added
HighTower Advisors, LLC19,123$7.42M0.01%+1,747+10.1%Added
Sumitomo Mitsui DS Asset Management Company, Ltd18,982$7.37M0.06%+3,654+23.8%Added
Macquarie Group Ltd18,916$7.34M0.04%−640−3.3%Reduced
CWM Advisors, LLC18,766$7.29M0.43%+5,305+39.4%Added
Tectonic Advisors LLC18,577$7.21M0.38%−30,172−61.9%Reduced
Pathstone Holdings, LLC18,566$7.21M0.03%+1,979+11.9%Added
Brinker Capital Investments, LLC18,551$7.20M0.06%−6,646−26.4%Reduced
Portolan Capital Management, LLC18,466$7.17M0.38%−38,015−67.3%Reduced
Standard Life Aberdeen plc18,286$7.10M0.01%+17,147+1,505.4%Added
Burney Co18,145$7.04M0.22%+404+2.3%Added
Bank of Nova Scotia17,991$6.98M0.01%+10,023+125.8%Added
Allspring Global Investments Holdings, LLC16,690$6.93M0.01%+16,690New
Kornitzer Capital Management Inc17,855$6.93M0.15%−264−1.5%Reduced
The PNC Financial Services Group, Inc.17,826$6.92M0.00%+4,337+32.2%Added
Captrust Financial Advisors17,589$6.83M0.01%−54−0.3%Reduced
Elo Mutual Pension Insurance Co17,561$6.82M0.11%−953−5.1%Reduced
Capital Fund Management S.A.17,486$6.79M0.06%−88,432−83.5%Reduced
Convergence Investment Partners, LLC17,251$6.70M1.10%−5,272−23.4%Reduced
Fifth Third Bancorp17,168$6.67M0.01%+15,583+983.2%Added
Commonwealth Equity Services, LLC17,088$6.63M0.01%−3,320−16.3%Reduced
Vestcor Inc17,042$6.62M0.18%+6,254+58.0%Added
New Age Alpha Advisors, LLC16,978$6.59M0.31%+566+3.4%Added
Williamson Legacy Group, LLC16,924$6.57M4.93%+230+1.4%Added
Atria Investments LLC16,898$6.56M0.07%−12,978−43.4%Reduced
Mackenzie Financial Corp16,893$6.56M0.01%+6,861+68.4%Added
UNICOM Systems, Inc.16,831$6.53M0.67%+16,831New
Assetmark, Inc16,659$6.47M0.01%+16,253+4,003.2%Added
Jupiter Asset Management Ltd16,583$6.44M0.03%−3,285−16.5%Reduced