CienaCIEN
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 1,226 institutions reported holding Ciena Corp. (CIEN) in their 13F filings, up 142 from Q1 2026. 248 opened new positions and 106 sold out. The largest holders were FMR LLC ($9.4B), BlackRock, Inc. ($6.2B) and JPMorgan Chase & Co. ($5.4B). 10 famous investors held it, including Gavin Baker (3.0% of Atreides Management's portfolio), Ray Dalio (0.2% of Bridgewater Associates's portfolio) and Cliff Asness (0.2% of AQR Capital Management's portfolio).
- Company
- Ciena Corp.
- Sector
- Utilities
- CUSIP
- 171779309
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 248 | $1.2B |
| Exits | 106 | $1.2B |
All 13F filers, Q1 2026 → Q2 2026: 13,095,893 shares bought and 16,746,393 shares sold, net −3,650,500 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 1,226 holders
| FMR LLC | 0.41% | Reduce -9.9% | 19,113,538 | $9.4B |
| BlackRock, Inc. | 0.09% | Reduce -4.9% | 12,718,494 | $6.2B |
| JPMorgan Chase & Co. | 0.31% | Add +9.6% | 11,206,209 | $5.4B |
| Vanguard Capital Management LLC | 0.10% | Add +0.7% | 9,233,803 | $4.5B |
| Vanguard Portfolio Management LLC | 0.17% | Add +4.2% | 7,680,665 | $3.8B |
| State Street Corp. | 0.10% | Add +5.9% | 6,680,578 | $3.3B |
| T. Rowe Price Associates Inc. | 0.20% | Reduce -22.3% | 4,071,401 | $2.0B |
| Geode Capital Management, LLC | 0.09% | Reduce -17.1% | 3,370,462 | $1.6B |
| American Century Companies Inc. | 0.40% | Add +245.6% | 1,851,788 | $908.4M |
| Bank of America Corp. | 0.06% | Reduce -8.5% | 1,788,582 | $877.4M |
| Capital World Investors | 0.10% | Add +1.8% | 1,755,602 | $861.2M |
| Invesco Ltd. | 0.07% | Add +13.1% | 1,730,210 | $848.8M |
| Norges Bank | 0.08% | — | 1,703,155 | $835.5M |
| Arrowstreet Capital, Limited Partnership | 0.36% | Add +20.8% | 1,677,029 | $822.7M |
| Morgan Stanley | 0.04% | Add +4.7% | 1,634,630 | $801.9M |
| Nuveen, LLC | 0.16% | Add +64.8% | 1,391,429 | $682.6M |
| Charles Schwab Investment Management Inc. | 0.08% | Reduce -1.8% | 1,248,995 | $612.7M |
| Northern Trust Corp. | 0.07% | Add +2.6% | 1,217,939 | $597.5M |
| Dimensional Fund Advisors LP | 0.10% | Add +0.6% | 1,153,229 | $565.6M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.10% | Add +34.5% | 1,145,480 | $561.9M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.55% | Add +8.2% | 1,105,383 | $542.1M |
| AQR Capital Management | 0.18% | Add +7.7% | 1,052,165 | $507.2M |
| Goldman Sachs Group Inc. | 0.05% | Add +22.4% | 946,611 | $464.4M |
| Legal & General Group Plc | 0.09% | Add +36.8% | 887,054 | $435.2M |
| Bank of New York Mellon Corp | 0.07% | Reduce -10.9% | 825,480 | $404.9M |
| Vanguard Fiduciary Trust Co. | 0.09% | Add +2.4% | 812,345 | $398.5M |
| Voya Investment Management LLC | 0.36% | Reduce -39.3% | 731,614 | $358.9M |
| Atreides Management | 3.03% | Add +1.7% | 688,521 | $337.8M |
| Amundi | 0.08% | Add +56.5% | 675,105 | $331.2M |
| Capital Research Global Investors | 0.05% | Reduce -76.1% | 656,554 | $322.1M |
| Massachusetts Financial Services Co. | 0.10% | Add +10.0% | 641,020 | $314.4M |
| Deutsche Bank AG | 0.08% | Add +8.9% | 575,041 | $282.1M |
| Jericho Capital Asset Management L.P. | 2.28% | Reduce -66.1% | 561,513 | $275.5M |
| SG Americas Securities, LLC | 0.13% | Add +146.2% | 470,046 | $230.6M |
| Wells Fargo & Company | 0.04% | Add +19.9% | 422,655 | $207.3M |
| Pictet Asset Management Holding SA | 0.19% | Add +593.1% | 414,698 | $203.3M |
| Swiss National Bank | 0.10% | Reduce -3.5% | 398,812 | $195.6M |
| First Trust Advisors LP | 0.11% | Reduce -9.3% | 396,531 | $194.5M |
| Ameriprise Financial Inc. | 0.04% | Add +109.4% | 391,326 | $192.0M |
| Balyasny Asset Management L.P. | 0.35% | Add +15.2% | 372,449 | $182.7M |
| UBS Group AG | 0.03% | Reduce -44.1% | 362,297 | $177.7M |
| Sumitomo Mitsui Trust Group, Inc. | 0.10% | Add +11.1% | 357,440 | $175.3M |
| Acadian Asset Management LLC | 0.21% | Add +7.5% | 354,846 | $174.0M |
| Wealth Enhancement Advisory Services, LLC | 0.29% | Add +31.0% | 379,977 | $170.1M |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.09% | Add +8.2% | 342,995 | $168.3M |
| Allianz Asset Management GmbH | 0.15% | Add +17.0% | 338,585 | $166.1M |
| Man Group plc | 0.31% | Add +1331.6% | 334,805 | $164.2M |
| Royal Bank of Canada | 0.03% | Add +26.2% | 332,601 | $163.2M |
| BNP Paribas Financial Markets | 0.09% | Reduce -22.3% | 329,488 | $161.6M |
| Robeco Institutional Asset Management B.V. | 0.19% | Add +19.2% | 319,285 | $156.6M |
| Royal London Asset Management Ltd. | 0.29% | Add +136.3% | 318,654 | $156.3M |
| Raymond James Financial Inc. | 0.04% | Add +2.8% | 313,171 | $153.6M |
| Primecap Management Co. | 0.09% | Reduce -29.7% | 308,050 | $151.1M |
| Vanguard Global Advisers, LLC | 0.07% | Reduce -1.1% | 307,128 | $150.7M |
| Schroder Investment Management Group | 0.11% | Reduce -21.1% | 310,874 | $148.9M |
| Citigroup Inc. | 0.07% | Add +48.2% | 296,534 | $145.5M |
| Neuberger Berman Group LLC | 0.10% | Add +0.9% | 292,278 | $143.1M |
| Qube Research & Technologies Ltd | 0.15% | New | 282,869 | $138.8M |
| Barclays PLC | 0.04% | Add +4.7% | 278,076 | $136.4M |
| VANGUARD ASSET MANAGEMENT, Ltd | 0.09% | Add +12.8% | 275,711 | $135.3M |
| National Pension Service | 0.09% | Reduce -8.8% | 272,251 | $133.6M |
| T. Rowe Price Investment Management, Inc. | 0.09% | Reduce -35.0% | 271,873 | $133.4M |
| HSBC Holdings PLC | 0.06% | Add +20.1% | 268,098 | $130.8M |
| Franklin Resources Inc. | 0.03% | Add +235.2% | 260,420 | $127.8M |
| Rhumbline Advisers | 0.10% | Add +5.1% | 258,789 | $127.0M |
| California Public Employees Retirement System | 0.07% | Add +1.2% | 240,709 | $118.1M |
| Analog Century Management LP | 4.06% | Reduce -8.6% | 226,198 | $111.0M |
| Alyeska Investment Group, L.P. | 0.28% | New | 220,966 | $108.4M |
| Citadel Advisors | 0.06% | Add +52.4% | 214,064 | $105.0M |
| Assenagon Asset Management S.A. | 0.14% | Reduce -41.3% | 214,002 | $105.0M |
| California State Teachers Retirement System | 0.10% | Add +1.8% | 213,528 | $104.7M |
| Point72 Asset Management | 0.17% | Reduce -61.4% | 210,516 | $103.3M |
| Caisse de depot et placement du Quebec | 0.14% | Add +210.6% | 200,342 | $98.3M |
| Amanah Holdings Trust | 5.76% | No change | 200,000 | $98.1M |
| Williams Jones Wealth Management, LLC. | 1.08% | Reduce -8.8% | 195,762 | $96.0M |
| Renaissance Technologies | 0.12% | Add +88.9% | 184,774 | $90.6M |
| TD Asset Management Inc | 0.07% | Add +2.8% | 174,717 | $85.7M |
| Russell Investments Group, Ltd. | 0.08% | Reduce -1.9% | 175,002 | $85.3M |
| BIT Capital GmbH | 2.84% | New | 168,866 | $82.8M |
| Squarepoint Ops LLC | 0.16% | Add +4368.1% | 167,285 | $82.1M |
| Millennium Management | 0.06% | Add +83.5% | 166,420 | $81.6M |
| Principal Financial Group Inc. | 0.04% | Add +5.3% | 165,322 | $81.1M |
| LPL Financial LLC | 0.02% | Add +5.4% | 164,458 | $80.7M |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.15% | Reduce -7.8% | 158,882 | $77.9M |
| Prudential Financial Inc. | 0.08% | Reduce -51.4% | 158,354 | $77.7M |
| Envestnet Asset Management Inc. | 0.02% | Reduce -19.8% | 153,397 | $75.2M |
| New York State Common Retirement Fund | 0.09% | Add +81.5% | 152,786 | $75.0M |
| Sei Investments Co. | 0.06% | Reduce -0.5% | 144,010 | $70.6M |
| Jupiter Asset Management Ltd. | 0.35% | Add +755.8% | 141,910 | $69.6M |
| Barrow Hanley Mewhinney & Strauss LLC | 0.20% | Reduce -54.3% | 137,836 | $67.6M |
| William Blair Investment Management, LLC | 0.20% | Reduce -66.4% | 133,801 | $65.6M |
| D. E. Shaw & Co. | 0.04% | Add +1394.6% | 133,195 | $65.3M |
| Senvest Management, LLC | 1.88% | Reduce -24.6% | 130,426 | $64.0M |
| ThornTree Capital Partners LP | 8.74% | No change | 130,272 | $63.9M |
| DigitalBridge Group, Inc. | 3.84% | Reduce -1.6% | 129,954 | $63.8M |
| Canada Pension Plan Investment Board | 0.03% | Add +39.2% | 128,320 | $62.9M |
| Tidal Investments LLC | 0.15% | Reduce -10.3% | 127,546 | $62.6M |
| Rokos Capital Management LLP | 0.78% | Add +91.2% | 127,045 | $62.3M |
| Becker Capital Management Inc. | 1.68% | Reduce -10.3% | 127,011 | $62.3M |
| Foundations Investment Advisors, LLC | 0.64% | Reduce -50.8% | 126,114 | $61.9M |
"% of holder's portfolio" is CIEN's weight in each manager's 13F, not the share of Ciena Corp. the manager owns.