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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,227 | $64.6B |
| Q1 2026 | 1,085 | $51.8B |
| Q4 2025 | 854 | $32.2B |
| Q3 2025 | 689 | $20.3B |
| Q2 2025 | 563 | $11.5B |
| Q1 2025 | 544 | $8.24B |
| Q4 2024 | 534 | $11.9B |
| Q3 2024 | 464 | $8.76B |
| Q2 2024 | 454 | $6.74B |
| Q1 2024 | 468 | $6.78B |
| Q4 2023 | 451 | $6.04B |
| Q3 2023 | 469 | $6.37B |
| Q2 2023 | 470 | $5.84B |
| Q1 2023 | 486 | $7.28B |
| Q4 2022 | 463 | $7.11B |
| Q3 2022 | 424 | $5.84B |
| Q2 2022 | 458 | $6.18B |
| Q1 2022 | 498 | $8.15B |
| Q4 2021 | 523 | $10.5B |
| Q3 2021 | 460 | $7.06B |
| Q2 2021 | 467 | $8.09B |
| Q1 2021 | 461 | $7.83B |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Ciena Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Weiss Asset Management LP | 0 | $0 | 0.00% | −17,740−100.0% | Sold out |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −15,551−100.0% | Sold out |
| Lisanti Capital Growth, LLC | 0 | $0 | 0.00% | −14,145−100.0% | Sold out |
| Havemeyer Place LP | 0 | $0 | 0.00% | −12,704−100.0% | Sold out |
| Castle Hook Partners LP | 0 | $0 | 0.00% | −11,479−100.0% | Sold out |
| IMC-Chicago, LLC | 0 | $0 | 0.00% | −10,684−100.0% | Sold out |
| Caxton Associates LLP | 0 | $0 | 0.00% | −10,502−100.0% | Sold out |
| Geneva Partners, LLC | 0 | $0 | 0.00% | −10,328−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −11,316−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −8,836−100.0% | Sold out |
| VARCOV Co. | 0 | $0 | 0.00% | −6,821−100.0% | Sold out |
| Riverwater Partners LLC | 0 | $0 | 0.00% | −6,683−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −6,494−100.0% | Sold out |
| Hillsdale Investment Management Inc. | 0 | $0 | 0.00% | −5,600−100.0% | Sold out |
| Verdad Advisers, LP | 0 | $0 | 0.00% | −5,413−100.0% | Sold out |
| Sandler Capital Management | 0 | $0 | 0.00% | −5,255−100.0% | Sold out |
| Sphera Management Technology Funds Ltd | 0 | $0 | 0.00% | −5,000−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −4,700−100.0% | Sold out |
| Three Seasons Wealth, LLC | 0 | $0 | 0.00% | −4,237−100.0% | Sold out |
| Quest Partners LLC | 0 | $0 | 0.00% | −4,194−100.0% | Sold out |
| Sherman Porfolios, LLC | 0 | $0 | 0.00% | −4,110−100.0% | Sold out |
| Edgestream Partners, L.P. | 0 | $0 | 0.00% | −4,097−100.0% | Sold out |
| BlueCrest Capital Management Ltd | 0 | $0 | 0.00% | −4,044−100.0% | Sold out |
| Forum Financial Management, LP | 0 | $0 | 0.00% | −4,033−100.0% | Sold out |
| Paloma Partners Management Co | 0 | $0 | 0.00% | −4,000−100.0% | Sold out |
| Worldquant Millennium Advisors LLC | 0 | $0 | 0.00% | −3,161−100.0% | Sold out |
| Fieldview Capital Management, LLC | 0 | $0 | 0.00% | −3,127−100.0% | Sold out |
| Newbridge Financial Services Group, Inc. | 0 | $0 | 0.00% | −3,000−100.0% | Sold out |
| Banque Transatlantique SA | 0 | $0 | 0.00% | −2,957−100.0% | Sold out |
| Atlanta Consulting Group Advisors, LLC | 0 | $0 | 0.00% | −2,930−100.0% | Sold out |
| Quadrature Capital Ltd | 0 | $0 | 0.00% | −2,784−100.0% | Sold out |
| Oxford Asset Management LLP | 0 | $0 | 0.00% | −2,171−100.0% | Sold out |
| SMART Wealth LLC | 0 | $0 | 0.00% | −2,112−100.0% | Sold out |
| Kaufman Rossin Wealth, LLC | 0 | $0 | 0.00% | −1,524−100.0% | Sold out |
| Sightline Wealth Advisors, LLC | 0 | $0 | 0.00% | −1,438−100.0% | Sold out |
| DRW Securities, LLC | 0 | $0 | 0.00% | −1,439−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −1,357−100.0% | Sold out |
| Town Capital LLC | 0 | $0 | 0.00% | −1,336−100.0% | Sold out |
| Rhodes Investment Advisors Inc | 0 | $0 | 0.00% | −1,245−100.0% | Sold out |
| Wealthspire Advisors, LLC | 0 | $0 | 0.00% | −1,204−100.0% | Sold out |
| Centaurus Financial, Inc. | 0 | $0 | 0.00% | −1,180−100.0% | Sold out |
| Hudson Bay Capital Management LP | 0 | $0 | 0.00% | −1,170−100.0% | Sold out |
| Highland Capital Management, LLC | 0 | $0 | 0.00% | −1,124−100.0% | Sold out |
| Machina Capital S.A.S. | 0 | $0 | 0.00% | −1,100−100.0% | Sold out |
| PharVision Advisers, LLC | 0 | $0 | 0.00% | −1,044−100.0% | Sold out |
| Sage Mountain Advisors LLC | 0 | $0 | 0.00% | −1,037−100.0% | Sold out |
| Picton Mahoney Asset Management | 0 | $0 | 0.00% | −990−100.0% | Sold out |
| Victrix Investment Advisors | 0 | $0 | 0.00% | −975−100.0% | Sold out |
| MidFirst Bank | 0 | $0 | 0.00% | −972−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −916−100.0% | Sold out |
| Capstone Investment Advisors, LLC | 0 | $0 | 0.00% | −856−100.0% | Sold out |
| SageView Advisory Group, LLC | 0 | $0 | 0.00% | −462−100.0% | Sold out |
| Estate Planners Group, LLC | 0 | $0 | 0.00% | −357−100.0% | Sold out |
| Reflection Asset Management | 0 | $0 | 0.00% | −309−100.0% | Sold out |
| Wolff Wiese Magana LLC | 0 | $0 | 0.00% | −200−100.0% | Sold out |
| DT Investment Partners, LLC | 0 | $0 | 0.00% | −157−100.0% | Sold out |
| Capula Management Ltd | 0 | $0 | 0.00% | −96−100.0% | Sold out |
| Greenline Wealth Management LLC | 0 | $0 | 0.00% | −68−100.0% | Sold out |
| Matrix Trust Co | 0 | $0 | 0.00% | −65−100.0% | Sold out |
| Wealth Watch Advisors, INC | 0 | $0 | 0.00% | −45−100.0% | Sold out |
| Morse Asset Management, Inc | 0 | $0 | 0.00% | −35−100.0% | Sold out |
| Optima Capital LLC | 0 | $0 | 0.00% | −24−100.0% | Sold out |
| Cape Investment Advisory, Inc. | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| Vanguard Group Inc | – | – | – | – | Not filed |
| Norges Bank | – | – | – | – | Not filed |
| Forsta Ap-Fonden | – | – | – | – | Not filed |
| Comerica Bank | – | – | – | – | Not filed |
| MIG Capital, LLC | – | – | – | – | Not filed |
| Gifford Fong Associates | – | – | – | – | Not filed |
| CIBC World Markets Corp | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |
| Janney Capital Management LLC | – | – | – | – | Not filed |
| Yeomans Consulting Group, Inc. | – | – | – | – | Not filed |
| CIBC Private Wealth Group, LLC | – | – | – | – | Not filed |
| ORG Partners LLC | – | – | – | – | Not filed |