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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
State Board of Administration of Florida Retirement System126,044$48.9M0.09%−2,025−1.6%Reduced
Marshall Wace, LLP125,977$48.9M0.05%+72,776+136.8%Added
New York State Teachers Retirement System124,746$48.4M0.10%−16,939−12.0%Reduced
Korea Investment CORP123,354$47.9M0.10%−5,622−4.4%Reduced
Gotham Asset Management, LLC121,304$47.1M0.14%−15,000−11.0%Reduced
Titan Global Capital Management USA LLC118,312$45.9M6.84%−49,257−29.4%Reduced
Adage Capital Partners GP, L.L.C.116,200$45.1M0.07%+116,200New
GF Fund Management Co. Ltd.107,979$41.9M0.70%−84,001−43.8%Reduced
E20 Capital Ltd107,349$41.7M3.91%+107,349New
Storebrand Asset Management AS106,612$41.4M0.12%+56,445+112.5%Added
Quantinno Capital Management LP103,914$40.3M0.07%+3,429+3.4%Added
Stifel Financial Corp102,611$39.8M0.04%+21,238+26.1%Added
Panagora Asset Management Inc100,464$39.0M0.15%+6,489+6.9%Added
Swedbank AB99,692$38.7M0.04%−962−1.0%Reduced
Mirae Asset Global Investments Co., Ltd.98,030$38.1M0.11%+65,667+202.9%Added
Renaissance Technologies LLC97,800$38.0M0.06%+65,200+200.0%Added
Aviva PLC96,431$37.4M0.06%+38,570+66.7%Added
State of Wisconsin Investment Board96,326$37.4M0.09%+6,292+7.0%Added
Danske Bank A/S93,834$36.4M0.09%+57,134+155.7%Added
Canada Pension Plan Investment Board92,200$35.8M0.02%+65,700+247.9%Added
Loomis Sayles & Co L P91,313$35.5M0.05%−54,669−37.4%Reduced
Ardmore Road Asset Management LP91,000$35.3M2.33%+91,000New
Millennium Management LLC90,716$35.2M0.03%−331,900−78.5%Reduced
FengHe Fund Management Pte. Ltd.89,254$34.7M4.79%−571,734−86.5%Reduced
CloudAlpha Capital Management Limited/Hong Kong88,110$34.2M3.76%−36,700−29.4%Reduced
Natixis87,743$34.1M0.14%+87,743New
Universal- Beteiligungs- und Servicegesellschaft mbH84,487$32.8M0.06%+17,844+26.8%Added
National Bank of Canada84,488$32.8M0.03%+40,200+90.8%Added
New York State Common Retirement Fund84,186$32.7M0.05%−1,000−1.2%Reduced
Great West Life Assurance Co82,476$32.1M0.06%−23,350−22.1%Reduced
Liontrust Investment Partners LLP82,167$31.9M0.54%+11,515+16.3%Added
Steadfast Capital Management LP81,670$31.7M1.20%−226,530−73.5%Reduced
Connor, Clark & Lunn Investment Management Ltd.81,504$31.6M0.07%−5,762−6.6%Reduced
Bank of Montreal81,346$31.6M0.01%+45,455+126.6%Added
Cerity Partners LLC78,517$30.5M0.04%−6,740−7.9%Reduced
Franklin Resources Inc77,683$30.2M0.01%+33,658+76.5%Added
Manufacturers Life Insurance Company, The75,998$29.5M0.03%−19,701−20.6%Reduced
Vanguard Investments Australia, Ltd.70,529$27.4M0.08%+70,529New
Bienville Capital Management, LLC70,167$27.2M5.17%−29,459−29.6%Reduced
Chevy Chase Trust Holdings, Inc.69,391$26.9M0.08%+69,391New
Natixis Advisors, L.P.67,502$26.2M0.04%−13,131−16.3%Reduced
Rokos Capital Management LLP66,460$25.8M0.46%−144,216−68.5%Reduced
Nomura Asset Management International Inc.65,399$25.4M0.04%−37,806−36.6%Reduced
Mitsubishi UFJ Trust & Banking Corp65,184$25.3M0.06%+1,499+2.4%Added
Lord, Abbett & Co. LLC65,000$25.2M0.08%−62,195−48.9%Reduced
Jane Street Group, LLC64,781$25.1M0.03%+54,472+528.4%Added
Caisse de Depot Et Placement du Quebec64,498$25.0M0.04%+2,677+4.3%Added
Hel Ved Capital Management Ltd63,629$24.7M4.27%−6,456−9.2%Reduced
12th Street Asset Management Company, LLC63,487$24.6M4.03%−116,097−64.6%Reduced
Mariner, LLC63,434$24.6M0.03%−6,837−9.7%Reduced
Virtus Wealth Solutions LLC63,327$24.6M4.68%−10,374−14.1%Reduced
Colony Group, LLC63,071$24.6M0.03%+21,597+52.1%Added
KLP Kapitalforvaltning AS61,000$23.7M0.09%+3,600+6.3%Added
Treasurer of the State of North Carolina60,389$23.4M0.07%+1,286+2.2%Added
Nissay Asset Management Corp60,246$23.4M0.12%+1,332+2.3%Added
Police & Firemen's Retirement System of New Jersey60,182$23.4M0.20%+209+0.3%Added
Pictet Asset Management Holding SA59,834$23.2M0.02%+3,411+6.0%Added
Front Street Capital Management, Inc.59,605$23.1M3.07%−26,654−30.9%Reduced
Asset Management One Co.,Ltd.59,447$23.1M0.07%+4,584+8.4%Added
LMCG Investments, LLC59,248$23.0M1.37%−44,352−42.8%Reduced
Diamond Hill Capital Management Inc58,545$22.7M0.14%−124,032−67.9%Reduced
Walleye Trading LLC58,514$22.7M0.47%+58,514New
Elyxium Wealth, LLC57,852$22.5M7.20%−11,691,454−99.5%Reduced
Walleye Capital LLC57,835$22.5M0.14%+45,360+363.6%Added
KBC Group NV57,143$22.2M0.06%+25,982+83.4%Added
M & L Capital Management Ltd55,730$21.6M5.32%+19,480+53.7%Added
Vaughan Nelson Investment Management, L.P.55,677$21.6M0.22%−7,785−12.3%Reduced
Nomura Asset Management Co Ltd54,106$21.0M0.05%+9,206+20.5%Added
Susquehanna International Group, LLP53,112$20.6M0.03%+51,844+4,088.6%Added
Nordea Investment Management AB54,362$20.3M0.02%+41,469+321.6%Added
Wealth High Governance Asset Management Ltda.51,968$20.2M3.15%+51,968New
LMR Partners LLP51,241$19.9M0.18%−220,759−81.2%Reduced
Tredje AP-fonden51,157$19.9M0.11%+51,157New
Harbour Capital Advisors, LLC39,017$19.5M3.71%+49+0.1%Added
Illinois Municipal Retirement Fund49,513$19.2M0.24%+1,073+2.2%Added
Creative Planning49,024$19.0M0.01%+3,028+6.6%Added
State of Tennessee, Treasury Department48,817$19.0M0.06%−3,572−6.8%Reduced
State of New Jersey Common Pension Fund D48,555$18.9M0.07%00.0%Unchanged
E Fund Management Co., Ltd.47,951$18.6M0.55%+47,951New
Ieq Capital, LLC45,518$17.7M0.08%+13,457+42.0%Added
Public Employees Retirement System of Ohio45,282$17.6M0.06%−1,942−4.1%Reduced
Victory Capital Management Inc45,215$17.6M0.01%−8,910−16.5%Reduced
CWM, LLC44,569$17.3M0.05%−2,997−6.3%Reduced
Evergreen Wealth Solutions, LLC44,451$17.3M1.22%−242−0.5%Reduced
Temasek Holdings (Private) Ltd44,437$17.3M0.06%+44,437New
Paralel Advisors LLC44,268$17.2M0.71%00.0%Unchanged
Handelsbanken Fonder AB44,162$17.1M0.06%+4,000+10.0%Added
Atika Capital Management LLC43,651$16.9M2.67%−16,349−27.2%Reduced
Toronto Dominion Bank43,177$16.8M0.03%+21,149+96.0%Added
Sit Investment Associates Inc42,775$16.6M0.34%−4,000−8.6%Reduced
Resona Asset Management Co.,Ltd.42,648$16.4M0.08%+1,993+4.9%Added
Verition Fund Management LLC42,057$16.3M0.16%+23,705+129.2%Added
Public Employees Retirement Association of Colorado40,202$15.6M0.06%+26,200+187.1%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund39,350$15.3M0.08%+10,050+34.3%Added
Czech National Bank38,361$14.9M0.10%+38,361New
Arizona State Retirement System38,284$14.9M0.09%−438−1.1%Reduced
Boothbay Fund Management, LLC37,994$14.8M0.35%−24,265−39.0%Reduced
O'Shaughnessy Asset Management, LLC37,872$14.7M0.07%+17,347+84.5%Added
Hudson Valley Investment Advisors Inc37,872$14.7M1.91%−11,996−24.1%Reduced
SEB Asset Management AB37,479$14.6M0.06%+37,479New