Security record
CIEN
Ciena Corporation · Technology · Communication Equipment
168Tracked holders
0Δ holders
110.03MShares held
$53.79BReported value
+7New positions
−6Exits
Momentum inputs (comparable managers): holder breadth 0.0% · share flow -1.6% · net new positions +0.6% — formula
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 168 | 0 | 110.03M | $53.79B | +7 | −6 |
| Q1 2026 | 170 | +8 | 110.57M | $42.60B | +12 | −5 |
| Q4 2025 | 161 | +1 | 118.52M | $27.07B | +3 | −1 |
| Q3 2025 | 22 | +1 | 86.19M | $12.55B | +1 | −1 |
| Q2 2025 | 19 | 0 | 67.83M | $5.52B | +1 | −1 |
| Q1 2025 | 16 | +2 | 16.02M | $967.48M | +2 | — |
| Q4 2024 | 14 | 0 | 15.33M | $1.30B | — | — |
| Q3 2024 | 13 | +2 | 7.15M | $440.46M | +2 | — |
| Q2 2024 | 11 | — | 5.15M | $248.36M | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Fidelity (FMR) ✦ | 19.11M | -9.9% | $9.38B | 0.4% | ▼ Trim | 5 | SEC ↗ ×6 |
| 2 | BlackRock ✦ (passive) | 12.72M | -4.9% | $6.24B | 0.1% | ▼ Trim | 5 | SEC ↗ ×21 |
| 3 | JPMorgan Chase ✦ | 11.21M | +9.6% | $5.37B | 0.3% | ▲ Add | 4 | SEC ↗ ×21 |
| 4 | Vanguard Capital Management Llc | 9.23M | +0.7% | $4.53B | 0.1% | ▲ Add | 2 | SEC ↗ |
| 5 | State Street Global Advisors ✦ (passive) | 6.68M | +5.9% | $3.28B | 0.1% | ▲ Add | 7 | SEC ↗ |
| 6 | T. Rowe Price ✦ | 4.07M | -22.3% | $2.00B | 0.2% | ▼ Trim | 9 | SEC ↗ ×2 |
| 7 | Geode Capital Management ✦ (passive) | 3.37M | -17.1% | $1.65B | 0.1% | ▼ Trim | 9 | SEC ↗ ×2 |
| 8 | American Century Companies Inc | 1.85M | +245.6% | $908.41M | 0.4% | ▲ Add | 3 | SEC ↗ |
| 9 | Bank Of America Corp /De/ | 1.79M | -8.5% | $877.41M | 0.1% | ▼ Trim | 3 | SEC ↗ ×8 |
| 10 | Capital World Investors ✦ | 1.76M | +1.8% | $861.23M | 0.1% | ▲ Add | 6 | SEC ↗ |
| 11 | Invesco Ltd. | 1.73M | +13.1% | $848.77M | 0.1% | ▲ Add | 3 | SEC ↗ ×19 |
| 12 | Norges Bank ✦ (passive) | 1.70M | New | $835.50M | 0.1% | New | 1 | SEC ↗ |
| 13 | Arrowstreet Capital ✦ | 1.68M | +20.8% | $822.68M | 0.4% | ▲ Add | 9 | SEC ↗ |
| 14 | Morgan Stanley ✦ | 1.63M | +4.7% | $801.88M | 0.0% | ▲ Add | 4 | SEC ↗ ×16 |
| 15 | Nuveen, LLC | 1.39M | +64.8% | $682.58M | 0.2% | ▲ Add | 3 | SEC ↗ ×4 |
| 16 | Charles Schwab Investment… | 1.25M | -1.8% | $612.71M | 0.1% | ▼ Trim | 3 | SEC ↗ ×2 |
| 17 | Northern Trust Corp | 1.22M | +2.6% | $597.47M | 0.1% | ▲ Add | 3 | SEC ↗ ×11 |
| 18 | Dimensional Fund Advisors Lp | 1.15M | +0.6% | $565.63M | 0.1% | ▲ Add | 3 | SEC ↗ ×5 |
| 19 | UBS AM, a distinct business unit of… | 1.15M | +34.5% | $561.93M | 0.1% | ▲ Add | 3 | SEC ↗ ×11 |
| 20 | BNP Paribas Asset Management… | 1.11M | +8.2% | $542.10M | 0.5% | ▲ Add | 3 | SEC ↗ ×6 |
| 21 | AQR Capital Management ✦ | 1.05M | +7.7% | $507.24M | 0.2% | ▲ Add | 9 | SEC ↗ ×12 |
| 22 | Goldman Sachs Group ✦ | 946.61K | +22.4% | $464.37M | 0.0% | ▲ Add | 4 | SEC ↗ ×4 |
| 23 | Legal & General Group Plc | 887.05K | +36.8% | $435.15M | 0.1% | ▲ Add | 3 | SEC ↗ ×3 |
| 24 | Bank of New York Mellon Corp | 825.48K | -10.9% | $404.95M | 0.1% | ▼ Trim | 3 | SEC ↗ ×18 |
| 25 | Voya Investment Management Llc | 731.61K | -39.3% | $358.90M | 0.3% | ▼ Trim | 3 | SEC ↗ ×2 |
| 26 | Amundi | 675.11K | +56.5% | $331.18M | 0.1% | ▲ Add | 3 | SEC ↗ ×6 |
| 27 | Capital Research Global Investors | 656.55K | -76.1% | $322.08M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 28 | Massachusetts Financial Services Co… | 641.02K | +10.0% | $314.43M | 0.1% | ▲ Add | 3 | SEC ↗ ×7 |
| 29 | Deutsche Bank Ag\ | 575.04K | +8.9% | $282.09M | 0.1% | ▲ Add | 3 | SEC ↗ ×7 |
| 30 | Assenagon Asset Management S.A. | 428.00K | +17.4% | $209.96M | 0.1% | ▲ Add | 3 | SEC ↗ ×2 |
| 31 | Wells Fargo & Company/Mn | 422.65K | +19.9% | $207.34M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 32 | Pictet Asset Management Holding SA | 414.70K | +593.1% | $203.33M | 0.2% | ▲ Add | 3 | SEC ↗ |
| 33 | Swiss National Bank | 398.81K | -3.5% | $195.64M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 34 | First Trust Advisors Lp | 396.53K | -9.2% | $194.52M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 35 | Ameriprise Financial Inc | 391.33K | +109.4% | $191.95M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 36 | Balyasny Asset Management L.P. | 372.45K | +15.2% | $182.71M | 0.3% | ▲ Add | 3 | SEC ↗ |
| 37 | UBS Group AG | 362.30K | -44.1% | $177.73M | 0.0% | ▼ Trim | 3 | SEC ↗ ×6 |
| 38 | Sumitomo Mitsui Trust Group, Inc. | 357.44K | +11.1% | $175.35M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 39 | Wealth Enhancement Advisory… | 379.98K | +31.0% | $170.12M | 0.3% | ▲ Add | 3 | SEC ↗ |
| 40 | Mitsubishi UFJ Asset Management… | 343.00K | +8.2% | $168.26M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 41 | Allianz Asset Management GmbH | 338.58K | +17.0% | $166.10M | 0.2% | ▲ Add | 3 | SEC ↗ ×6 |
| 42 | Man Group plc | 334.81K | +1331.6% | $164.24M | 0.3% | ▲ Add | 3 | SEC ↗ ×2 |
| 43 | Royal Bank Of Canada | 332.60K | +26.2% | $163.16M | 0.0% | ▲ Add | 3 | SEC ↗ ×10 |
| 44 | Bnp Paribas Financial Markets | 329.49K | -22.2% | $161.63M | 0.1% | ▼ Trim | 3 | SEC ↗ ×2 |
| 45 | Robeco Institutional Asset… | 319.29K | +19.2% | $156.63M | 0.2% | ▲ Add | 3 | SEC ↗ |
| 46 | Royal London Asset Management Ltd | 318.65K | +136.3% | $156.32M | 0.3% | ▲ Add | 3 | SEC ↗ |
| 47 | Raymond James Financial Inc | 313.17K | +2.8% | $153.63M | 0.0% | ▲ Add | 3 | SEC ↗ ×7 |
| 48 | PRIMECAP Management ✦ | 308.05K | -29.7% | $151.12M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 49 | Schroder Investment Management Group | 310.87K | -21.1% | $148.89M | 0.1% | ▼ Trim | 2 | SEC ↗ ×4 |
| 50 | Citigroup Inc | 296.53K | +48.2% | $145.47M | 0.1% | ▲ Add | 3 | SEC ↗ ×3 |
| 51 | Neuberger Berman Group LLC | 292.28K | +0.9% | $143.14M | 0.1% | ▲ Add | 3 | SEC ↗ ×2 |
| 52 | Qube Research & Technologies Ltd | 282.87K | New | $138.76M | 0.2% | New | 1 | SEC ↗ |
| 53 | Barclays Plc | 278.08K | +4.7% | $136.41M | 0.0% | ▲ Add | 3 | SEC ↗ ×3 |
| 54 | National Pension Service | 272.25K | -8.8% | $133.56M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 55 | Hsbc Holdings Plc | 268.10K | +20.1% | $130.82M | 0.1% | ▲ Add | 3 | SEC ↗ ×6 |
| 56 | Franklin Resources Inc | 260.42K | +235.2% | $127.75M | 0.0% | ▲ Add | 3 | SEC ↗ ×10 |
| 57 | Rhumbline Advisers | 258.79K | +5.1% | $126.95M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 58 | California Public Employees… | 240.71K | +1.2% | $118.08M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 59 | Alyeska Investment Group, L.P. | 220.97K | New | $108.40M | 0.3% | New | 1 | SEC ↗ |
| 60 | Citadel Advisors ✦ | 214.06K | +52.4% | $105.01M | 0.1% | ▲ Add | 9 | SEC ↗ |
| 61 | Point72 Asset Management ✦ | 210.52K | -61.4% | $103.27M | 0.2% | ▼ Trim | 8 | SEC ↗ |
| 62 | Caisse De Depot Et Placement Du… | 200.34K | +210.6% | $98.28M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 63 | Renaissance Technologies ✦ | 184.77K | +88.9% | $90.64M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 64 | Hrt Financial Lp | 184.58K | +113.9% | $90.55M | 0.2% | ▲ Add | 3 | SEC ↗ ×2 |
| 65 | Td Asset Management Inc | 174.72K | +2.8% | $85.71M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 66 | Russell Investments Group, Ltd. | 175.00K | -1.9% | $85.31M | 0.1% | ▼ Trim | 3 | SEC ↗ ×19 |
| 67 | Squarepoint Ops LLC | 167.28K | +4368.1% | $82.06M | 0.2% | ▲ Add | 2 | SEC ↗ |
| 68 | Millennium Management ✦ | 166.42K | +83.5% | $81.64M | 0.1% | ▲ Add | 9 | SEC ↗ |
| 69 | Principal Financial Group Inc | 165.32K | +5.3% | $81.10M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 70 | LPL Financial LLC | 164.46K | +5.4% | $80.68M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 71 | Zurcher Kantonalbank (Zurich… | 158.88K | -7.8% | $77.94M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 72 | Prudential Financial Inc | 158.35K | -51.4% | $77.68M | 0.1% | ▼ Trim | 3 | SEC ↗ ×2 |
| 73 | Envestnet Asset Management Inc | 153.40K | -19.8% | $75.25M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 74 | New York State Common Retirement… | 152.79K | +81.5% | $74.95M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 75 | Sei Investments Co | 144.01K | -0.5% | $70.64M | 0.1% | ▼ Trim | 3 | SEC ↗ ×3 |
| 76 | D. E. Shaw & Co. ✦ | 133.19K | +1394.6% | $65.34M | 0.0% | ▲ Add | 8 | SEC ↗ ×3 |
| 77 | Canada Pension Plan Investment Board | 128.32K | +39.2% | $62.95M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 78 | Tidal Investments LLC | 127.55K | -10.3% | $62.57M | 0.2% | ▼ Trim | 3 | SEC ↗ ×2 |
| 79 | Adage Capital Partners ✦ | 126.00K | +8.4% | $61.81M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 80 | State Board Of Administration Of… | 124.55K | -1.2% | $61.10M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 81 | Aviva Plc | 124.01K | +28.6% | $60.84M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 82 | Korea Investment CORP | 121.90K | -1.2% | $59.80M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 83 | Alliancebernstein L.P. | 146.12K | -72.3% | $56.73M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 84 | Gotham Asset Management ✦ | 113.02K | -6.8% | $55.44M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 85 | Quantinno Capital Management LP | 107.56K | +3.5% | $52.77M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 86 | Bank Of Montreal /Can/ | 105.94K | +30.2% | $51.97M | 0.0% | ▲ Add | 3 | SEC ↗ ×8 |
| 87 | Jane Street Group, Llc | 104.30K | +61.0% | $51.17M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 88 | Ensign Peak Advisors, Inc | 103.29K | -23.2% | $50.67M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 89 | Danske Bank A/S | 102.19K | +8.9% | $50.13M | 0.1% | ▲ Add | 3 | SEC ↗ ×3 |
| 90 | Storebrand Asset Management As | 101.10K | -5.2% | $49.59M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 91 | Bridgewater Associates ✦ | 101.04K | -29.8% | $49.57M | 0.2% | ▼ Trim | 5 | SEC ↗ |
| 92 | 1832 Asset Management L.P. | 100.80K | -64.9% | $49.45M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 93 | Stifel Financial Corp | 100.31K | -2.2% | $49.21M | 0.0% | ▼ Trim | 3 | SEC ↗ ×5 |
| 94 | Swedbank AB | 96.10K | -3.6% | $47.14M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 95 | PFA Pension, Forsikringsaktieselskab | 95.50K | New | $46.85M | 0.1% | New | 1 | SEC ↗ |
| 96 | Connor, Clark & Lunn Investment… | 93.89K | +15.2% | $46.06M | 0.1% | ▲ Add | 3 | SEC ↗ ×2 |
| 97 | National Bank Of Canada /Fi/ | 88.97K | +5.3% | $43.65M | 0.0% | ▲ Add | 3 | SEC ↗ ×4 |
| 98 | Credit Agricole S A | 88.86K | +139.2% | $43.59M | 0.1% | ▲ Add | 3 | SEC ↗ ×3 |
| 99 | Universal- Beteiligungs- und… | 84.72K | +0.3% | $41.56M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 100 | Nomura Asset Management… | 84.31K | +28.9% | $41.36M | 0.1% | ▲ Add | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Norges Bank | $835.50M | 0.1% |
| Qube Research & Technologies… | $138.76M | 0.2% |
| Alyeska Investment Group, L.P. | $108.40M | 0.3% |
| PFA Pension… | $46.85M | 0.1% |
Exited
| Lone Pine Capital | $314.28M | was 2.5% |
| Walleye Trading LLC | $22.72M | was 0.5% |
| Holocene Advisors, LP | $9.92M | was 0.0% |
| Tudor Investment Corp Et Al | $463,547 | was 0.0% |
| Parallax Volatility Advisers… | $460,829 | was 0.0% |
| Bank Julius Baer & Co. Ltd… | $153,671 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 1,070 holders, 123.89M shares, $45.16B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Oct 01
Phipps Jason
Officer · 2.63K sh · $933,795
Oct 01
Graff Marc D.
Officer · 97 sh · $34,453
Oct 01
Kosaraju Sheela
Officer · 2.10K sh · $746,254
Sep 25
Cumello Joseph
Officer · 1.59K sh · $568,605
Sep 24
Claflin Bruce L.
Director · 2.86K sh · $1.02M
Sep 23
NEVENS THOMAS MICHAEL
Director · 3.74K sh · $1.34M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Sep 03
SC 13G/A — JPMORGAN CHASE & CO
Aug 06
SC 13G/A — FMR LLC
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2026 ·
Methodology ·
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