Security record
CIEN
Ciena Corporation · Technology · Communication Equipment
168Tracked holders
0Δ holders
109.97MShares held
$53.73BReported 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 | 109.97M | $53.73B | +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 ↗ |
| 2 | Fidelity (FMR) ✦ | 19.11M | -9.9% | $9.38B | 0.4% | ▼ Trim | 5 | SEC ↗ |
| 3 | Fidelity (FMR) ✦ | 19.11M | -9.9% | $9.38B | 0.4% | ▼ Trim | 5 | SEC ↗ |
| 4 | Fidelity (FMR) ✦ | 19.11M | -9.9% | $9.38B | 0.4% | ▼ Trim | 5 | SEC ↗ |
| 5 | Fidelity (FMR) ✦ | 19.11M | -9.9% | $9.38B | 0.4% | ▼ Trim | 5 | SEC ↗ |
| 6 | Fidelity (FMR) ✦ | 19.11M | -9.9% | $9.38B | 0.4% | ▼ Trim | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 12.72M | -4.9% | $6.24B | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 12.72M | -4.9% | $6.24B | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 12.72M | -4.9% | $6.24B | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 12.72M | -4.9% | $6.24B | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 12.72M | -4.9% | $6.24B | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 12.72M | -4.9% | $6.24B | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 12.72M | -4.9% | $6.24B | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 12.72M | -4.9% | $6.24B | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 12.72M | -4.9% | $6.24B | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 12.72M | -4.9% | $6.24B | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 12.72M | -4.9% | $6.24B | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 12.72M | -4.9% | $6.24B | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 19 | BlackRock ✦ (passive) | 12.72M | -4.9% | $6.24B | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 20 | BlackRock ✦ (passive) | 12.72M | -4.9% | $6.24B | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 21 | BlackRock ✦ (passive) | 12.72M | -4.9% | $6.24B | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 22 | BlackRock ✦ (passive) | 12.72M | -4.9% | $6.24B | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 23 | BlackRock ✦ (passive) | 12.72M | -4.9% | $6.24B | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 24 | BlackRock ✦ (passive) | 12.72M | -4.9% | $6.24B | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 25 | BlackRock ✦ (passive) | 12.72M | -4.9% | $6.24B | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 26 | BlackRock ✦ (passive) | 12.72M | -4.9% | $6.24B | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 27 | BlackRock ✦ (passive) | 12.72M | -4.9% | $6.24B | 0.1% | ▼ Trim | 5 | SEC ↗ |
| 28 | JPMorgan Chase ✦ | 11.21M | +9.6% | $5.37B | 0.3% | ▲ Add | 4 | SEC ↗ |
| 29 | JPMorgan Chase ✦ | 11.21M | +9.6% | $5.37B | 0.3% | ▲ Add | 4 | SEC ↗ |
| 30 | JPMorgan Chase ✦ | 11.21M | +9.6% | $5.37B | 0.3% | ▲ Add | 4 | SEC ↗ |
| 31 | JPMorgan Chase ✦ | 11.21M | +9.6% | $5.37B | 0.3% | ▲ Add | 4 | SEC ↗ |
| 32 | JPMorgan Chase ✦ | 11.21M | +9.6% | $5.37B | 0.3% | ▲ Add | 4 | SEC ↗ |
| 33 | JPMorgan Chase ✦ | 11.21M | +9.6% | $5.37B | 0.3% | ▲ Add | 4 | SEC ↗ |
| 34 | JPMorgan Chase ✦ | 11.21M | +9.6% | $5.37B | 0.3% | ▲ Add | 4 | SEC ↗ |
| 35 | JPMorgan Chase ✦ | 11.21M | +9.6% | $5.37B | 0.3% | ▲ Add | 4 | SEC ↗ |
| 36 | JPMorgan Chase ✦ | 11.21M | +9.6% | $5.37B | 0.3% | ▲ Add | 4 | SEC ↗ |
| 37 | JPMorgan Chase ✦ | 11.21M | +9.6% | $5.37B | 0.3% | ▲ Add | 4 | SEC ↗ |
| 38 | JPMorgan Chase ✦ | 11.21M | +9.6% | $5.37B | 0.3% | ▲ Add | 4 | SEC ↗ |
| 39 | JPMorgan Chase ✦ | 11.21M | +9.6% | $5.37B | 0.3% | ▲ Add | 4 | SEC ↗ |
| 40 | JPMorgan Chase ✦ | 11.21M | +9.6% | $5.37B | 0.3% | ▲ Add | 4 | SEC ↗ |
| 41 | JPMorgan Chase ✦ | 11.21M | +9.6% | $5.37B | 0.3% | ▲ Add | 4 | SEC ↗ |
| 42 | JPMorgan Chase ✦ | 11.21M | +9.6% | $5.37B | 0.3% | ▲ Add | 4 | SEC ↗ |
| 43 | JPMorgan Chase ✦ | 11.21M | +9.6% | $5.37B | 0.3% | ▲ Add | 4 | SEC ↗ |
| 44 | JPMorgan Chase ✦ | 11.21M | +9.6% | $5.37B | 0.3% | ▲ Add | 4 | SEC ↗ |
| 45 | JPMorgan Chase ✦ | 11.21M | +9.6% | $5.37B | 0.3% | ▲ Add | 4 | SEC ↗ |
| 46 | JPMorgan Chase ✦ | 11.21M | +9.6% | $5.37B | 0.3% | ▲ Add | 4 | SEC ↗ |
| 47 | JPMorgan Chase ✦ | 11.21M | +9.6% | $5.37B | 0.3% | ▲ Add | 4 | SEC ↗ |
| 48 | JPMorgan Chase ✦ | 11.21M | +9.6% | $5.37B | 0.3% | ▲ Add | 4 | SEC ↗ |
| 49 | Vanguard Capital Management Llc | 9.23M | +0.7% | $4.53B | 0.1% | ▲ Add | 2 | SEC ↗ |
| 50 | State Street Global Advisors ✦ (passive) | 6.68M | +5.9% | $3.28B | 0.1% | ▲ Add | 7 | SEC ↗ |
| 51 | T. Rowe Price ✦ | 4.07M | -22.3% | $2.00B | 0.2% | ▼ Trim | 9 | SEC ↗ |
| 52 | T. Rowe Price ✦ | 4.07M | -22.3% | $2.00B | 0.2% | ▼ Trim | 9 | SEC ↗ |
| 53 | Geode Capital Management ✦ (passive) | 3.37M | -17.1% | $1.65B | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 54 | Geode Capital Management ✦ (passive) | 3.37M | -17.1% | $1.65B | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 55 | American Century Companies Inc | 1.85M | +245.6% | $908.41M | 0.4% | ▲ Add | 3 | SEC ↗ |
| 56 | Bank Of America Corp /De/ | 1.79M | -8.5% | $877.41M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 57 | Bank Of America Corp /De/ | 1.79M | -8.5% | $877.41M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 58 | Bank Of America Corp /De/ | 1.79M | -8.5% | $877.41M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 59 | Bank Of America Corp /De/ | 1.79M | -8.5% | $877.41M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 60 | Bank Of America Corp /De/ | 1.79M | -8.5% | $877.41M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 61 | Bank Of America Corp /De/ | 1.79M | -8.5% | $877.41M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 62 | Bank Of America Corp /De/ | 1.79M | -8.5% | $877.41M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 63 | Bank Of America Corp /De/ | 1.79M | -8.5% | $877.41M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 64 | Capital World Investors ✦ | 1.76M | +1.8% | $861.23M | 0.1% | ▲ Add | 6 | SEC ↗ |
| 65 | Invesco Ltd. | 1.73M | +13.1% | $848.77M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 66 | Invesco Ltd. | 1.73M | +13.1% | $848.77M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 67 | Invesco Ltd. | 1.73M | +13.1% | $848.77M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 68 | Invesco Ltd. | 1.73M | +13.1% | $848.77M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 69 | Invesco Ltd. | 1.73M | +13.1% | $848.77M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 70 | Invesco Ltd. | 1.73M | +13.1% | $848.77M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 71 | Invesco Ltd. | 1.73M | +13.1% | $848.77M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 72 | Invesco Ltd. | 1.73M | +13.1% | $848.77M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 73 | Invesco Ltd. | 1.73M | +13.1% | $848.77M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 74 | Invesco Ltd. | 1.73M | +13.1% | $848.77M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 75 | Invesco Ltd. | 1.73M | +13.1% | $848.77M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 76 | Invesco Ltd. | 1.73M | +13.1% | $848.77M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 77 | Invesco Ltd. | 1.73M | +13.1% | $848.77M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 78 | Invesco Ltd. | 1.73M | +13.1% | $848.77M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 79 | Invesco Ltd. | 1.73M | +13.1% | $848.77M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 80 | Invesco Ltd. | 1.73M | +13.1% | $848.77M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 81 | Invesco Ltd. | 1.73M | +13.1% | $848.77M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 82 | Invesco Ltd. | 1.73M | +13.1% | $848.77M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 83 | Invesco Ltd. | 1.73M | +13.1% | $848.77M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 84 | Norges Bank ✦ (passive) | 1.70M | New | $835.50M | 0.1% | New | 1 | SEC ↗ |
| 85 | Arrowstreet Capital ✦ | 1.68M | +20.8% | $822.68M | 0.4% | ▲ Add | 9 | SEC ↗ |
| 86 | Morgan Stanley ✦ | 1.63M | +4.7% | $801.88M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 87 | Morgan Stanley ✦ | 1.63M | +4.7% | $801.88M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 88 | Morgan Stanley ✦ | 1.63M | +4.7% | $801.88M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 89 | Morgan Stanley ✦ | 1.63M | +4.7% | $801.88M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 90 | Morgan Stanley ✦ | 1.63M | +4.7% | $801.88M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 91 | Morgan Stanley ✦ | 1.63M | +4.7% | $801.88M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 92 | Morgan Stanley ✦ | 1.63M | +4.7% | $801.88M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 93 | Morgan Stanley ✦ | 1.63M | +4.7% | $801.88M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 94 | Morgan Stanley ✦ | 1.63M | +4.7% | $801.88M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 95 | Morgan Stanley ✦ | 1.63M | +4.7% | $801.88M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 96 | Morgan Stanley ✦ | 1.63M | +4.7% | $801.88M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 97 | Morgan Stanley ✦ | 1.63M | +4.7% | $801.88M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 98 | Morgan Stanley ✦ | 1.63M | +4.7% | $801.88M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 99 | Morgan Stanley ✦ | 1.63M | +4.7% | $801.88M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 100 | Morgan Stanley ✦ | 1.63M | +4.7% | $801.88M | 0.0% | ▲ Add | 4 | 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% |
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)
Aug 17
SMITH GARY B
Officer, Director · 2.95K sh · $1.32M
Aug 17
Gage Brodie
Officer · 1.20K sh · $527,088
Aug 14
Rothenstein David M
Officer · 2.50K sh · $1.10M
Aug 14
Graff Marc D.
Officer · 5.00K sh · $2.15M
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
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 ·
Get this via the API