CienaCIEN
13F holders, Q2 2025 (June 30)562holders +18
95new positions
83sold out
10famous investors
$81.36avg. 13F price*
At the end of Q2 2025, 562 institutions reported holding Ciena Corp. (CIEN) in their 13F filings, up 18 from Q1 2025. 95 opened new positions and 83 sold out. The largest holders were FMR LLC ($1.7B), BlackRock, Inc. ($1.4B) and Vanguard Group Inc. ($1.2B). 10 famous investors held it, including Gavin Baker (2.9% of Atreides Management's portfolio), Alex Sacerdote (0.9% of Whale Rock Capital Management's portfolio) and Steve Cohen (0.6% of Point72 Asset 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 2025 → Q2 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 95 | $506.3M |
| Exits | 83 | $326.5M |
All 13F filers, Q1 2025 → Q2 2025: 17,590,925 shares bought and 13,245,016 shares sold, net +4,345,909 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 562 holders
| FMR LLC | 0.10% | Reduce -0.4% | 21,232,630 | $1.7B |
| BlackRock, Inc. | 0.03% | Add +0.2% | 17,067,198 | $1.4B |
| Vanguard Group Inc. | 0.02% | Add +0.7% | 15,088,445 | $1.2B |
| JPMorgan Chase & Co. | 0.03% | Add +8.4% | 5,243,053 | $426.4M |
| State Street Corp. | 0.01% | Reduce -2.4% | 4,454,987 | $362.3M |
| Barrow Hanley Mewhinney & Strauss LLC | 1.17% | Add +12.0% | 4,252,811 | $345.9M |
| Bank of America Corp. | 0.02% | Add +10.4% | 3,495,795 | $284.3M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.61% | Reduce -8.6% | 3,063,635 | $249.2M |
| Point72 Asset Management | 0.56% | Add +38.3% | 2,754,675 | $224.0M |
| William Blair Investment Management, LLC | 0.58% | Add +35.0% | 2,708,540 | $220.3M |
| Geode Capital Management, LLC | 0.01% | Add +0.0% | 2,502,740 | $203.6M |
| Dimensional Fund Advisors LP | 0.04% | Reduce -4.5% | 2,269,224 | $184.6M |
| Morgan Stanley | 0.01% | Add +21.9% | 1,870,080 | $152.1M |
| Capital World Investors | 0.02% | Reduce -7.9% | 1,706,474 | $138.8M |
| Senvest Management, LLC | 4.51% | Add +12.4% | 1,655,012 | $134.6M |
| Neuberger Berman Group LLC | 0.09% | Reduce -10.7% | 1,471,712 | $119.7M |
| Jericho Capital Asset Management L.P. | 1.45% | New | 1,335,000 | $108.6M |
| Polar Capital Holdings Plc | 0.55% | Add +4.0% | 1,284,523 | $104.5M |
| Atreides Management | 2.85% | New | 1,262,818 | $102.7M |
| Vaughan Nelson Investment Management, L.P. | 0.94% | Add +375.4% | 1,235,696 | $100.5M |
| AQR Capital Management | 0.08% | Add +124.6% | 1,220,927 | $99.3M |
| Hood River Capital Management LLC | 1.38% | Add +43.5% | 1,216,068 | $98.9M |
| Ion Asset Management Ltd. | 5.95% | Reduce -10.7% | 1,211,264 | $98.5M |
| Northern Trust Corp. | 0.01% | Reduce -1.1% | 1,195,297 | $97.2M |
| Nuveen, LLC | 0.03% | Add +0.1% | 1,160,162 | $94.4M |
| Bank of New York Mellon Corp | 0.02% | Reduce -3.8% | 1,135,491 | $92.3M |
| Schroder Investment Management Group | 0.08% | Add +13.5% | 1,112,124 | $90.4M |
| Balyasny Asset Management L.P. | 0.19% | Add +3577.9% | 1,032,393 | $84.0M |
| Rokos Capital Management LLP | 1.38% | Add +546.9% | 997,425 | $81.1M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +0.4% | 956,593 | $77.8M |
| Analog Century Management LP | 4.29% | Add +6.8% | 898,981 | $73.1M |
| Whale Rock Capital Management | 0.94% | New | 835,848 | $68.0M |
| Wealth Enhancement Advisory Services, LLC | 0.11% | Add +0.4% | 813,979 | $66.2M |
| Assenagon Asset Management S.A. | 0.10% | Add +1883.5% | 787,266 | $64.0M |
| Diamond Hill Capital Management, LLC (Investment Advisor) | 0.28% | Reduce -8.1% | 756,571 | $61.5M |
| Janus Henderson Group PLC | 0.03% | Reduce -9.5% | 731,585 | $59.5M |
| Stephens Investment Management Group LLC | 0.72% | Reduce -1.4% | 671,152 | $54.6M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Add +30.5% | 663,862 | $54.0M |
| Primecap Management Co. | 0.04% | Add +15.9% | 554,500 | $45.1M |
| Thrivent Financial for Lutherans | 0.10% | Reduce -70.6% | 534,254 | $43.5M |
| First Trust Advisors LP | 0.03% | Reduce -4.3% | 519,727 | $42.3M |
| Freestone Grove Partners LP | 0.31% | New | 509,409 | $41.4M |
| Goldman Sachs Group Inc. | 0.01% | Add +124.6% | 498,830 | $40.6M |
| Raymond James Financial Inc. | 0.01% | Add +1.5% | 495,289 | $40.3M |
| American Century Companies Inc. | 0.02% | Add +877.5% | 478,756 | $38.9M |
| UBS Group AG | 0.01% | Reduce -53.7% | 472,023 | $38.4M |
| Cramer Rosenthal McGlynn LLC | 2.60% | Add +16.7% | 465,491 | $37.9M |
| Woodline Partners LP | 0.19% | Reduce -46.7% | 434,502 | $35.3M |
| North Growth Management Ltd. | 6.21% | Reduce -5.1% | 407,000 | $33.1M |
| SG Capital Management LLC | 2.80% | New | 404,735 | $32.9M |
| Envestnet Asset Management Inc. | 0.01% | Add +11.4% | 400,627 | $32.4M |
| DigitalBridge Group, Inc. | 3.21% | Reduce -14.1% | 390,853 | $31.8M |
| ThornTree Capital Partners LP | 5.13% | Reduce -12.6% | 378,962 | $30.8M |
| Rhumbline Advisers | 0.03% | Reduce -0.7% | 378,655 | $30.8M |
| 12th Street Asset Management Company, LLC | 5.29% | Add +22.1% | 378,108 | $30.8M |
| Loomis Sayles & Co. L P | 0.04% | Reduce -15.1% | 357,448 | $29.1M |
| AXA S.A. | 0.08% | Reduce -25.5% | 349,381 | $28.4M |
| Alliancebernstein L.P. | 0.01% | Reduce -19.7% | 346,644 | $28.2M |
| Principal Financial Group Inc. | 0.01% | Reduce -1.4% | 322,259 | $26.2M |
| Deutsche Bank AG | 0.01% | Reduce -2.0% | 300,108 | $24.4M |
| Legal & General Group Plc | 0.01% | Add +0.4% | 296,744 | $24.1M |
| Ensign Peak Advisors, Inc | 0.04% | Add +456.1% | 290,897 | $23.7M |
| Foursixthree Capital LP | 15.04% | New | 287,247 | $23.4M |
| LMR Partners LLP | 0.53% | Add +280.0% | 285,000 | $23.2M |
| Sora Investors LLC | 2.08% | New | 283,025 | $23.0M |
| Invesco Ltd. | 0.00% | Reduce -15.3% | 281,558 | $22.9M |
| Citigroup Inc. | 0.02% | Reduce -16.4% | 274,839 | $22.4M |
| Swiss National Bank | 0.01% | Reduce -1.3% | 271,700 | $22.1M |
| Millennium Management | 0.02% | Reduce -57.2% | 271,526 | $22.1M |
| Williams Jones Wealth Management, LLC. | 0.26% | Reduce -1.6% | 265,488 | $21.6M |
| Russell Investments Group, Ltd. | 0.03% | Add +22.9% | 262,431 | $21.5M |
| T. Rowe Price Associates Inc. | 0.00% | Reduce -77.6% | 262,223 | $21.3M |
| Capital Fund Management S.A. | 0.23% | Reduce -27.8% | 258,250 | $21.0M |
| Royal Bank of Canada | 0.00% | Add +32.1% | 256,542 | $20.9M |
| California Public Employees Retirement System | 0.01% | Add +7.4% | 251,460 | $20.5M |
| Natixis Advisors, LLC | 0.03% | Add +81.3% | 251,395 | $20.4M |
| Perpetual Ltd | 0.24% | Add +8.1% | 250,289 | $20.4M |
| Caxton Associates LLP | 0.53% | Add +301.0% | 250,000 | $20.3M |
| Foundations Investment Advisors, LLC | 0.31% | Add +12.3% | 241,189 | $19.6M |
| Wells Fargo & Company | 0.00% | Add +0.7% | 239,420 | $19.5M |
| Ameriprise Financial Inc. | 0.00% | Add +3.1% | 238,477 | $19.4M |
| Fort Washington Investment Advisors Inc. | 0.11% | Reduce -10.9% | 234,239 | $19.1M |
| Becker Capital Management Inc. | 0.57% | Reduce -7.8% | 222,978 | $18.1M |
| Titan Global Capital Management USA LLC | 2.72% | Add +92.4% | 212,382 | $17.3M |
| Sei Investments Co. | 0.02% | Reduce -15.5% | 210,806 | $17.1M |
| Impax Asset Management Group plc | 0.09% | Add +26.7% | 189,914 | $15.4M |
| Glenmede Investment Management, LP | 0.08% | — | 184,849 | $15.0M |
| Gotham Asset Management | 0.09% | Add +6.0% | 177,120 | $14.4M |
| Allianz Asset Management GmbH | 0.02% | Add +68.2% | 173,988 | $14.2M |
| Retirement Systems of Alabama | 0.05% | Add +0.4% | 173,734 | $14.1M |
| Penserra Capital Management LLC | 0.19% | Add +316.5% | 168,211 | $13.7M |
| PEAK6 LLC | 0.46% | New | 166,306 | $13.5M |
| Verition Fund Management LLC | 0.08% | Reduce -11.5% | 166,116 | $13.5M |
| Marshall Wace, LLP | 0.02% | Reduce -71.2% | 161,685 | $13.1M |
| Barclays PLC | 0.01% | Add +22.8% | 157,781 | $12.8M |
| J. Safra Sarasin Holding AG | 0.22% | Reduce -10.4% | 155,071 | $12.6M |
| Peregrine Capital Management LLC | 0.38% | Reduce -23.1% | 153,979 | $12.5M |
| Macquarie Group Ltd. | 0.01% | Reduce -7.9% | 150,346 | $12.2M |
| New York State Teachers Retirement System | 0.03% | No change | 148,827 | $12.1M |
| LMCG Investments, LLC | 0.75% | Reduce -4.8% | 146,634 | $11.9M |
"% of holder's portfolio" is CIEN's weight in each manager's 13F, not the share of Ciena Corp. the manager owns.