CienaCIEN
13F holders, Q3 2025 (September 30)688holders +126
177new positions
46sold out
10famous investors
$145.70avg. 13F price*
At the end of Q3 2025, 688 institutions reported holding Ciena Corp. (CIEN) in their 13F filings, up 126 from Q2 2025. 177 opened new positions and 46 sold out. The largest holders were FMR LLC ($3.1B), BlackRock, Inc. ($2.3B) and Vanguard Group Inc. ($2.2B). 10 famous investors held it, including Gavin Baker (5.3% of Atreides Management's portfolio), Alex Sacerdote (2.3% of Whale Rock Capital Management's portfolio) and Stephen Mandel (2.1% of Lone Pine Capital's portfolio).
- Company
- Ciena Corp.
- Sector
- Utilities
- CUSIP
- 171779309
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 177 | $946.2M |
| Exits | 46 | $193.2M |
All 13F filers, Q2 2025 → Q3 2025: 18,179,403 shares bought and 20,128,967 shares sold, net −1,949,564 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 688 holders
| FMR LLC | 0.16% | Reduce -0.3% | 21,158,386 | $3.1B |
| BlackRock, Inc. | 0.04% | Reduce -8.6% | 15,596,111 | $2.3B |
| Vanguard Group Inc. | 0.03% | Reduce -0.1% | 15,068,602 | $2.2B |
| JPMorgan Chase & Co. | 0.06% | Add +23.3% | 6,462,840 | $941.5M |
| State Street Corp. | 0.02% | Reduce -2.3% | 4,352,281 | $634.0M |
| Bank of America Corp. | 0.03% | Reduce -10.4% | 3,131,414 | $456.2M |
| T. Rowe Price Associates Inc. | 0.04% | Add +909.6% | 2,647,493 | $385.7M |
| Geode Capital Management, LLC | 0.02% | Add +1.6% | 2,541,489 | $370.3M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.95% | Reduce -18.2% | 2,506,186 | $365.1M |
| William Blair Investment Management, LLC | 0.92% | Reduce -9.9% | 2,440,888 | $355.6M |
| Barrow Hanley Mewhinney & Strauss LLC | 1.00% | Reduce -49.2% | 2,159,454 | $314.6M |
| Lone Pine Capital | 2.13% | New | 2,006,662 | $292.3M |
| Dimensional Fund Advisors LP | 0.06% | Reduce -12.1% | 1,995,699 | $290.7M |
| Jericho Capital Asset Management L.P. | 3.01% | Add +48.5% | 1,983,000 | $288.9M |
| Capital World Investors | 0.04% | Add +7.7% | 1,836,981 | $267.6M |
| Morgan Stanley | 0.02% | Reduce -6.9% | 1,741,875 | $253.7M |
| AQR Capital Management | 0.14% | Add +23.1% | 1,502,468 | $218.4M |
| Polar Capital Holdings Plc | 1.03% | Add +13.9% | 1,463,211 | $213.1M |
| Atreides Management | 5.30% | Add +10.9% | 1,400,764 | $204.0M |
| Whale Rock Capital Management | 2.29% | Add +60.0% | 1,337,800 | $194.9M |
| Invesco Ltd. | 0.03% | Add +340.0% | 1,238,745 | $180.4M |
| Hood River Capital Management LLC | 2.04% | Reduce -2.7% | 1,183,207 | $172.4M |
| Northern Trust Corp. | 0.02% | Reduce -1.0% | 1,183,114 | $172.3M |
| Arrowstreet Capital, Limited Partnership | 0.11% | Add +2174.2% | 1,143,855 | $166.6M |
| Citadel Advisors | 0.13% | Add +11260.6% | 1,086,529 | $158.3M |
| Bank of New York Mellon Corp | 0.03% | Reduce -6.6% | 1,060,924 | $154.5M |
| Assenagon Asset Management S.A. | 0.22% | Add +30.0% | 1,023,157 | $149.0M |
| Neuberger Berman Group LLC | 0.10% | Reduce -35.3% | 952,204 | $138.6M |
| Charles Schwab Investment Management Inc. | 0.02% | Reduce -1.6% | 941,775 | $137.2M |
| Nuveen, LLC | 0.04% | Reduce -19.7% | 931,387 | $135.7M |
| Senvest Management, LLC | 4.06% | Reduce -47.6% | 867,315 | $126.3M |
| Wealth Enhancement Advisory Services, LLC | 0.18% | Reduce -1.1% | 804,639 | $121.9M |
| Schroder Investment Management Group | 0.09% | Reduce -28.4% | 796,779 | $114.8M |
| Janus Henderson Group PLC | 0.05% | Reduce -0.2% | 730,084 | $106.4M |
| Analog Century Management LP | 5.61% | Reduce -20.2% | 717,741 | $104.6M |
| Vaughan Nelson Investment Management, L.P. | 0.95% | Reduce -42.2% | 713,696 | $104.0M |
| Balyasny Asset Management L.P. | 0.19% | Reduce -39.6% | 623,674 | $90.9M |
| Diamond Hill Capital Management, LLC (Investment Advisor) | 0.42% | Reduce -19.0% | 612,861 | $89.3M |
| Primecap Management Co. | 0.07% | Add +5.9% | 587,200 | $85.5M |
| American Century Companies Inc. | 0.04% | Add +22.4% | 585,747 | $85.3M |
| Point72 Asset Management | 0.20% | Reduce -78.9% | 581,022 | $84.6M |
| Munro Partners | 2.22% | New | 556,930 | $81.1M |
| UBS Group AG | 0.02% | Add +17.4% | 553,905 | $80.7M |
| Stephens Investment Management Group LLC | 1.02% | Reduce -19.3% | 541,504 | $78.9M |
| First Trust Advisors LP | 0.06% | Add +1.0% | 525,130 | $76.5M |
| Anatole Investment Management Ltd | 7.98% | New | 523,688 | $76.3M |
| Millennium Management | 0.06% | Add +85.6% | 503,883 | $73.4M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Reduce -29.9% | 465,620 | $67.8M |
| Freestone Grove Partners LP | 0.48% | Reduce -13.6% | 440,269 | $64.1M |
| Artisan Partners Limited Partnership | 0.09% | New | 434,292 | $63.3M |
| Deutsche Bank AG | 0.02% | Add +35.3% | 406,059 | $59.2M |
| Rhumbline Advisers | 0.04% | Reduce -1.6% | 372,436 | $54.3M |
| Rokos Capital Management LLP | 0.68% | Reduce -63.1% | 368,381 | $53.7M |
| Raymond James Financial Inc. | 0.02% | Reduce -31.3% | 340,226 | $49.6M |
| ThornTree Capital Partners LP | 7.56% | Reduce -10.5% | 339,141 | $49.4M |
| North Growth Management Ltd. | 8.24% | Reduce -20.1% | 325,000 | $47.3M |
| Envestnet Asset Management Inc. | 0.01% | Reduce -20.8% | 317,410 | $46.2M |
| AXA Investment Managers S.A. | 0.12% | — | 316,236 | $46.1M |
| Principal Financial Group Inc. | 0.02% | Reduce -2.6% | 313,965 | $45.7M |
| Loomis Sayles & Co. L P | 0.05% | Reduce -12.9% | 311,353 | $45.4M |
| Sei Investments Co. | 0.05% | Add +47.0% | 309,977 | $45.2M |
| DigitalBridge Group, Inc. | 3.70% | Reduce -20.7% | 309,880 | $45.1M |
| CI Investments Inc. | 0.16% | Add +60999.6% | 302,443 | $44.1M |
| Amundi | 0.01% | Add +805.2% | 284,782 | $43.6M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -41.9% | 289,647 | $42.2M |
| Swiss National Bank | 0.02% | Add +0.8% | 274,000 | $39.9M |
| Legal & General Group Plc | 0.01% | Reduce -7.7% | 273,881 | $39.9M |
| Williams Jones Wealth Management, LLC. | 0.45% | Add +2.3% | 271,494 | $39.5M |
| Royal Bank of Canada | 0.01% | Add +3.0% | 264,191 | $38.5M |
| Nomura Holdings Inc. | 0.19% | New | 257,284 | $37.5M |
| Citigroup Inc. | 0.03% | Reduce -6.7% | 256,575 | $37.4M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.12% | Add +185.5% | 254,738 | $37.1M |
| Alliancebernstein L.P. | 0.01% | Reduce -26.7% | 254,067 | $37.0M |
| Holocene Advisors, LP | 0.08% | New | 253,415 | $36.9M |
| California Public Employees Retirement System | 0.02% | Add +0.6% | 253,068 | $36.9M |
| FengHe Fund Management Pte. Ltd. | 3.33% | New | 250,400 | $36.5M |
| Foundations Investment Advisors, LLC | 0.52% | Add +2.4% | 246,846 | $36.0M |
| Ameriprise Financial Inc. | 0.01% | Reduce -1.6% | 234,609 | $34.2M |
| Acadian Asset Management LLC | 0.06% | Add +331.5% | 233,480 | $34.0M |
| Capital Fund Management S.A. | 0.32% | Reduce -13.8% | 222,544 | $32.4M |
| Becker Capital Management Inc. | 0.93% | Reduce -2.2% | 218,076 | $31.8M |
| Ensign Peak Advisors, Inc | 0.05% | Reduce -26.0% | 215,214 | $31.4M |
| Ion Asset Management Ltd. | 3.77% | Reduce -82.5% | 211,924 | $30.9M |
| Titan Global Capital Management USA LLC | 4.33% | Reduce -4.9% | 201,956 | $29.4M |
| Foursixthree Capital LP | 11.45% | Reduce -30.9% | 198,499 | $28.9M |
| Natixis Advisors, LLC | 0.04% | Reduce -24.6% | 189,624 | $27.6M |
| Marshall Wace, LLP | 0.03% | Add +17.1% | 189,393 | $27.6M |
| Fort Washington Investment Advisors Inc. | 0.15% | Reduce -20.9% | 185,203 | $27.0M |
| 12th Street Asset Management Company, LLC | 4.56% | Reduce -51.1% | 184,952 | $26.9M |
| Barclays PLC | 0.01% | Add +16.8% | 184,266 | $26.8M |
| Wells Fargo & Company | 0.01% | Reduce -23.4% | 183,406 | $26.7M |
| Cramer Rosenthal McGlynn LLC | 1.69% | Reduce -61.2% | 180,730 | $26.3M |
| Gotham Asset Management | 0.11% | Add +1.1% | 179,127 | $26.1M |
| Russell Investments Group, Ltd. | 0.03% | Reduce -31.3% | 180,390 | $26.1M |
| Allianz Asset Management GmbH | 0.03% | Add +1.7% | 176,919 | $25.8M |
| Retirement Systems of Alabama | 0.08% | Reduce -1.6% | 170,920 | $24.9M |
| Boothbay Fund Management, LLC | 0.63% | Add +27.2% | 163,127 | $23.8M |
| Bridgewater Associates | 0.09% | Add +237.2% | 161,707 | $23.6M |
| Massachusetts Financial Services Co. | 0.01% | New | 161,622 | $23.5M |
| Trexquant Investment LP | 0.24% | New | 157,265 | $22.9M |
"% of holder's portfolio" is CIEN's weight in each manager's 13F, not the share of Ciena Corp. the manager owns.