CienaCIEN
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 854 institutions reported holding Ciena Corp. (CIEN) in their 13F filings, up 166 from Q3 2025. 203 opened new positions and 82 sold out. The largest holders were FMR LLC ($4.9B), BlackRock, Inc. ($3.9B) and Vanguard Group Inc. ($3.4B). 10 famous investors held it, including Gavin Baker (7.1% of Atreides Management's portfolio), Alex Sacerdote (2.7% of Whale Rock Capital Management's portfolio) and Ray Dalio (0.2% of Bridgewater Associates's portfolio).
- Company
- Ciena Corp.
- Sector
- Utilities
- CUSIP
- 171779309
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 203 | $884.2M |
| Exits | 82 | $668.6M |
All 13F filers, Q3 2025 → Q4 2025: 31,274,425 shares bought and 21,933,789 shares sold, net +9,340,636 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 854 holders
| FMR LLC | 0.25% | Reduce -0.1% | 21,128,210 | $4.9B |
| BlackRock, Inc. | 0.07% | Add +6.9% | 16,668,830 | $3.9B |
| Vanguard Group Inc. | 0.05% | Reduce -4.6% | 14,376,579 | $3.4B |
| JPMorgan Chase & Co. | 0.17% | Add +68.1% | 10,864,292 | $2.5B |
| State Street Corp. | 0.04% | Add +17.2% | 5,102,409 | $1.2B |
| T. Rowe Price Associates Inc. | 0.10% | Add +53.0% | 4,051,625 | $947.6M |
| Geode Capital Management, LLC | 0.04% | Add +5.7% | 2,687,437 | $627.6M |
| Arrowstreet Capital, Limited Partnership | 0.31% | Add +95.5% | 2,236,835 | $523.1M |
| Bank of America Corp. | 0.04% | Reduce -30.9% | 2,164,447 | $506.2M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.53% | Reduce -21.3% | 1,973,150 | $461.5M |
| Capital World Investors | 0.06% | Add +1.7% | 1,868,881 | $437.1M |
| Jericho Capital Asset Management L.P. | 4.41% | Reduce -16.5% | 1,656,172 | $387.3M |
| Invesco Ltd. | 0.03% | Add +22.6% | 1,518,841 | $355.2M |
| Atreides Management | 7.09% | Add +2.0% | 1,428,230 | $334.0M |
| AQR Capital Management | 0.17% | Reduce -6.0% | 1,412,560 | $330.4M |
| Dimensional Fund Advisors LP | 0.07% | Reduce -30.0% | 1,396,874 | $326.7M |
| Morgan Stanley | 0.02% | Reduce -20.5% | 1,384,972 | $323.9M |
| Polar Capital Holdings Plc | 1.38% | Reduce -11.9% | 1,289,427 | $301.6M |
| Northern Trust Corp. | 0.04% | Add +2.9% | 1,216,923 | $284.6M |
| Bank of New York Mellon Corp | 0.05% | Add +5.4% | 1,118,142 | $261.5M |
| William Blair Investment Management, LLC | 0.72% | Reduce -55.0% | 1,098,593 | $256.9M |
| Voya Investment Management LLC | 0.25% | Add +1267.0% | 946,820 | $221.4M |
| Charles Schwab Investment Management Inc. | 0.03% | Reduce -0.6% | 935,728 | $218.8M |
| Nuveen, LLC | 0.06% | Reduce -3.5% | 898,343 | $210.1M |
| Whale Rock Capital Management | 2.67% | Reduce -33.2% | 893,483 | $209.0M |
| Norges Bank | 0.02% | — | 811,950 | $189.9M |
| Wealth Enhancement Advisory Services, LLC | 0.25% | Reduce -8.7% | 734,365 | $187.0M |
| 1832 Asset Management L.P. | 0.24% | New | 789,900 | $184.7M |
| Citadel Advisors | 0.12% | Reduce -33.8% | 719,747 | $168.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.03% | Add +49.8% | 697,563 | $163.1M |
| FengHe Fund Management Pte. Ltd. | 8.70% | Add +164.0% | 660,988 | $154.6M |
| Schroder Investment Management Group | 0.11% | Reduce -24.6% | 600,554 | $143.1M |
| Massachusetts Financial Services Co. | 0.05% | Add +275.8% | 607,391 | $142.1M |
| Deutsche Bank AG | 0.04% | Add +45.4% | 590,454 | $138.1M |
| UBS Group AG | 0.03% | Reduce -2.4% | 540,578 | $126.4M |
| Assenagon Asset Management S.A. | 0.18% | Reduce -49.7% | 514,242 | $120.3M |
| First Trust Advisors LP | 0.09% | Reduce -2.4% | 512,460 | $119.8M |
| Primecap Management Co. | 0.09% | Reduce -12.9% | 511,600 | $119.6M |
| Legal & General Group Plc | 0.03% | Add +86.4% | 510,449 | $119.4M |
| Anatole Investment Management Ltd | 19.56% | Reduce -4.2% | 501,598 | $117.3M |
| Prudential Financial Inc. | 0.14% | Add +367.6% | 489,151 | $114.4M |
| Amundi | 0.03% | Add +69.8% | 483,707 | $113.1M |
| Barrow Hanley Mewhinney & Strauss LLC | 0.37% | Reduce -78.0% | 474,984 | $111.1M |
| Point72 Asset Management | 0.18% | Reduce -19.0% | 470,680 | $110.1M |
| Hood River Capital Management LLC | 1.16% | Reduce -61.6% | 453,779 | $106.1M |
| Goldman Sachs Group Inc. | 0.01% | Add +53.8% | 445,359 | $104.2M |
| Janus Henderson Group PLC | 0.05% | Reduce -39.5% | 441,637 | $103.2M |
| Balyasny Asset Management L.P. | 0.20% | Reduce -29.4% | 440,086 | $102.9M |
| Holocene Advisors, LP | 0.21% | Add +69.7% | 430,157 | $100.6M |
| Analog Century Management LP | 4.93% | Reduce -40.3% | 428,787 | $100.3M |
| Millennium Management | 0.07% | Reduce -16.1% | 422,616 | $98.8M |
| Neuberger Berman Group LLC | 0.07% | Reduce -59.3% | 387,168 | $90.6M |
| Swiss National Bank | 0.05% | Add +41.0% | 386,432 | $90.4M |
| Rhumbline Advisers | 0.07% | Add +3.0% | 383,482 | $89.7M |
| Zurich Insurance Group Ltd | 0.60% | Add +929.2% | 369,225 | $86.4M |
| Alliancebernstein L.P. | 0.03% | Add +40.7% | 357,570 | $83.6M |
| Raymond James Financial Inc. | 0.03% | Add +4.9% | 356,943 | $83.5M |
| Steadfast Capital Management LP | 1.26% | New | 308,200 | $72.1M |
| Stephens Investment Management Group LLC | 0.93% | Reduce -43.4% | 306,512 | $71.7M |
| Munro Partners | 1.99% | Reduce -45.3% | 304,430 | $71.2M |
| Principal Financial Group Inc. | 0.04% | Reduce -3.4% | 303,318 | $70.9M |
| Sumitomo Mitsui Trust Group, Inc. | 0.04% | Add +1279.0% | 290,727 | $68.0M |
| Wells Fargo & Company | 0.01% | Add +58.0% | 289,873 | $67.8M |
| Royal Bank of Canada | 0.01% | Add +9.1% | 288,330 | $67.4M |
| Senvest Management, LLC | 2.07% | Reduce -67.1% | 285,476 | $66.8M |
| Acadian Asset Management LLC | 0.11% | Add +21.2% | 282,964 | $66.2M |
| LMR Partners LLP | 0.81% | Add +155.4% | 272,000 | $63.6M |
| Ameriprise Financial Inc. | 0.01% | Add +14.9% | 269,638 | $63.1M |
| Envestnet Asset Management Inc. | 0.02% | Reduce -18.0% | 260,295 | $60.9M |
| Foundations Investment Advisors, LLC | 0.79% | Add +4.6% | 258,283 | $60.4M |
| American Century Companies Inc. | 0.03% | Reduce -56.9% | 252,751 | $59.1M |
| Citigroup Inc. | 0.04% | Reduce -1.9% | 251,595 | $58.8M |
| Sei Investments Co. | 0.06% | Reduce -19.5% | 249,395 | $58.3M |
| North Growth Management Ltd. | 9.03% | Reduce -24.0% | 247,000 | $57.7M |
| California Public Employees Retirement System | 0.03% | Reduce -4.8% | 240,967 | $56.4M |
| Williams Jones Wealth Management, LLC. | 0.61% | Reduce -14.6% | 232,005 | $54.3M |
| California State Teachers Retirement System | 0.05% | Add +61.0% | 214,784 | $50.2M |
| Bridgewater Associates | 0.18% | Add +31.5% | 212,643 | $49.7M |
| National Pension Service | 0.04% | New | 212,421 | $49.7M |
| Rokos Capital Management LLP | 0.73% | Reduce -42.8% | 210,676 | $49.2M |
| Barclays PLC | 0.02% | Add +13.7% | 209,508 | $49.0M |
| Becker Capital Management Inc. | 1.34% | Reduce -8.1% | 200,424 | $46.9M |
| Amanah Holdings Trust | 6.85% | New | 200,000 | $46.8M |
| GF Fund Management Co. LTD. | 0.77% | Add +67.6% | 191,980 | $44.9M |
| Diamond Hill Capital Management, LLC (Investment Advisor) | 0.22% | Reduce -70.2% | 182,577 | $42.7M |
| 12th Street Asset Management Company, LLC | 6.92% | Reduce -2.9% | 179,584 | $42.0M |
| ThornTree Capital Partners LP | 6.99% | Reduce -47.3% | 178,657 | $41.8M |
| Allianz Asset Management GmbH | 0.05% | Reduce -2.1% | 173,209 | $40.5M |
| CI Investments Inc. | 0.18% | Reduce -43.0% | 172,277 | $40.3M |
| TD Asset Management Inc | 0.03% | Add +18.0% | 170,214 | $39.8M |
| Retirement Systems of Alabama | 0.13% | Reduce -0.9% | 169,290 | $39.6M |
| Titan Global Capital Management USA LLC | 5.61% | Reduce -17.0% | 167,569 | $39.2M |
| DigitalBridge Group, Inc. | 3.02% | Reduce -46.4% | 166,032 | $38.8M |
| LPL Financial LLC | 0.01% | Add +44.9% | 152,605 | $35.7M |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.07% | Add +239.0% | 148,179 | $34.7M |
| Loomis Sayles & Co. L P | 0.04% | Reduce -53.1% | 145,982 | $34.1M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.02% | Add +37022.0% | 135,124 | $33.2M |
| New York State Teachers Retirement System | 0.06% | Reduce -1.2% | 141,685 | $33.1M |
| Intech Investment Management LLC | 0.29% | Add +93.0% | 137,564 | $32.2M |
| Gotham Asset Management | 0.12% | Reduce -23.9% | 136,304 | $31.9M |
"% of holder's portfolio" is CIEN's weight in each manager's 13F, not the share of Ciena Corp. the manager owns.