Security record · archived quarter
CIEN
Ciena Corporation · Technology · Communication Equipment
161Tracked holders
+1Δ holders
118.52MShares held
$27.07BReported value
+3New positions
−1Exits
Momentum inputs (comparable managers):
holder breadth +0.6% ·
share flow -1.1% ·
net new positions +1.2%
— formula
Ownership fragmentation — more holders, smaller aggregate stake
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 167 | 0 | 109.96M | $53.73B | +7 | −7 |
| 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 · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Fidelity (FMR) ✦ | 21.13M | -0.1% | $4.94B | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 2 | Fidelity (FMR) ✦ | 21.13M | -0.1% | $4.94B | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 3 | Fidelity (FMR) ✦ | 21.13M | -0.1% | $4.94B | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 4 | Fidelity (FMR) ✦ | 21.13M | -0.1% | $4.94B | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 5 | Fidelity (FMR) ✦ | 21.13M | -0.1% | $4.94B | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 6 | Fidelity (FMR) ✦ | 21.13M | -0.1% | $4.94B | 0.3% | ▼ Trim | 3 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 16.67M | +6.9% | $3.90B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 16.67M | +6.9% | $3.90B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 16.67M | +6.9% | $3.90B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 16.67M | +6.9% | $3.90B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 16.67M | +6.9% | $3.90B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 16.67M | +6.9% | $3.90B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 16.67M | +6.9% | $3.90B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 16.67M | +6.9% | $3.90B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 16.67M | +6.9% | $3.90B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 16.67M | +6.9% | $3.90B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 17 | BlackRock ✦ (passive) | 16.67M | +6.9% | $3.90B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 18 | BlackRock ✦ (passive) | 16.67M | +6.9% | $3.90B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 19 | BlackRock ✦ (passive) | 16.67M | +6.9% | $3.90B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 20 | BlackRock ✦ (passive) | 16.67M | +6.9% | $3.90B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 21 | BlackRock ✦ (passive) | 16.67M | +6.9% | $3.90B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 22 | BlackRock ✦ (passive) | 16.67M | +6.9% | $3.90B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 23 | BlackRock ✦ (passive) | 16.67M | +6.9% | $3.90B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 24 | BlackRock ✦ (passive) | 16.67M | +6.9% | $3.90B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 25 | BlackRock ✦ (passive) | 16.67M | +6.9% | $3.90B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 26 | BlackRock ✦ (passive) | 16.67M | +6.9% | $3.90B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 27 | BlackRock ✦ (passive) | 16.67M | +6.9% | $3.90B | 0.1% | ▲ Add | 3 | SEC ↗ |
| 28 | The Vanguard Group ✦ (passive) | 14.38M | -4.6% | $3.36B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 29 | The Vanguard Group ✦ (passive) | 14.38M | -4.6% | $3.36B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 30 | The Vanguard Group ✦ (passive) | 14.38M | -4.6% | $3.36B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 31 | The Vanguard Group ✦ (passive) | 14.38M | -4.6% | $3.36B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 32 | The Vanguard Group ✦ (passive) | 14.38M | -4.6% | $3.36B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 33 | The Vanguard Group ✦ (passive) | 14.38M | -4.6% | $3.36B | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 34 | JPMorgan Chase ✦ | 10.86M | -15.9% | $2.54B | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 35 | JPMorgan Chase ✦ | 10.86M | -15.9% | $2.54B | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 36 | JPMorgan Chase ✦ | 10.86M | -15.9% | $2.54B | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 37 | JPMorgan Chase ✦ | 10.86M | -15.9% | $2.54B | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 38 | JPMorgan Chase ✦ | 10.86M | -15.9% | $2.54B | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 39 | JPMorgan Chase ✦ | 10.86M | -15.9% | $2.54B | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 40 | JPMorgan Chase ✦ | 10.86M | -15.9% | $2.54B | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 41 | JPMorgan Chase ✦ | 10.86M | -15.9% | $2.54B | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 42 | JPMorgan Chase ✦ | 10.86M | -15.9% | $2.54B | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 43 | JPMorgan Chase ✦ | 10.86M | -15.9% | $2.54B | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 44 | JPMorgan Chase ✦ | 10.86M | -15.9% | $2.54B | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 45 | JPMorgan Chase ✦ | 10.86M | -15.9% | $2.54B | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 46 | JPMorgan Chase ✦ | 10.86M | -15.9% | $2.54B | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 47 | JPMorgan Chase ✦ | 10.86M | -15.9% | $2.54B | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 48 | JPMorgan Chase ✦ | 10.86M | -15.9% | $2.54B | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 49 | JPMorgan Chase ✦ | 10.86M | -15.9% | $2.54B | 0.2% | ▼ Trim | 2 | SEC ↗ |
| 50 | State Street Global Advisors ✦ (passive) | 5.10M | +17.2% | $1.19B | 0.0% | ▲ Add | 5 | SEC ↗ |
| 51 | T. Rowe Price ✦ | 4.05M | +53.0% | $947.55M | 0.1% | ▲ Add | 7 | SEC ↗ |
| 52 | T. Rowe Price ✦ | 4.05M | +53.0% | $947.55M | 0.1% | ▲ Add | 7 | SEC ↗ |
| 53 | Geode Capital Management ✦ (passive) | 2.69M | +5.7% | $627.57M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 54 | Geode Capital Management ✦ (passive) | 2.69M | +5.7% | $627.57M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 55 | Arrowstreet Capital ✦ | 2.24M | +95.5% | $523.13M | 0.3% | ▲ Add | 7 | SEC ↗ |
| 56 | Bank Of America Corp /De/ | 2.16M | — | $506.20M | 0.0% | n/c | 1 | SEC ↗ |
| 57 | Bank Of America Corp /De/ | 2.16M | — | $506.20M | 0.0% | n/c | 1 | SEC ↗ |
| 58 | Bank Of America Corp /De/ | 2.16M | — | $506.20M | 0.0% | n/c | 1 | SEC ↗ |
| 59 | Bank Of America Corp /De/ | 2.16M | — | $506.20M | 0.0% | n/c | 1 | SEC ↗ |
| 60 | Bank Of America Corp /De/ | 2.16M | — | $506.20M | 0.0% | n/c | 1 | SEC ↗ |
| 61 | Bank Of America Corp /De/ | 2.16M | — | $506.20M | 0.0% | n/c | 1 | SEC ↗ |
| 62 | Bank Of America Corp /De/ | 2.16M | — | $506.20M | 0.0% | n/c | 1 | SEC ↗ |
| 63 | Bank Of America Corp /De/ | 2.16M | — | $506.20M | 0.0% | n/c | 1 | SEC ↗ |
| 64 | BNP Paribas Asset Management… | 1.97M | — | $461.48M | 0.5% | n/c | 1 | SEC ↗ |
| 65 | BNP Paribas Asset Management… | 1.97M | — | $461.48M | 0.5% | n/c | 1 | SEC ↗ |
| 66 | BNP Paribas Asset Management… | 1.97M | — | $461.48M | 0.5% | n/c | 1 | SEC ↗ |
| 67 | BNP Paribas Asset Management… | 1.97M | — | $461.48M | 0.5% | n/c | 1 | SEC ↗ |
| 68 | Capital World Investors ✦ | 1.87M | +1.7% | $437.08M | 0.1% | ▲ Add | 4 | SEC ↗ |
| 69 | Invesco Ltd. | 1.52M | — | $355.21M | 0.0% | n/c | 1 | SEC ↗ |
| 70 | Invesco Ltd. | 1.52M | — | $355.21M | 0.0% | n/c | 1 | SEC ↗ |
| 71 | Invesco Ltd. | 1.52M | — | $355.21M | 0.0% | n/c | 1 | SEC ↗ |
| 72 | Invesco Ltd. | 1.52M | — | $355.21M | 0.0% | n/c | 1 | SEC ↗ |
| 73 | Invesco Ltd. | 1.52M | — | $355.21M | 0.0% | n/c | 1 | SEC ↗ |
| 74 | Invesco Ltd. | 1.52M | — | $355.21M | 0.0% | n/c | 1 | SEC ↗ |
| 75 | Invesco Ltd. | 1.52M | — | $355.21M | 0.0% | n/c | 1 | SEC ↗ |
| 76 | Invesco Ltd. | 1.52M | — | $355.21M | 0.0% | n/c | 1 | SEC ↗ |
| 77 | Invesco Ltd. | 1.52M | — | $355.21M | 0.0% | n/c | 1 | SEC ↗ |
| 78 | Invesco Ltd. | 1.52M | — | $355.21M | 0.0% | n/c | 1 | SEC ↗ |
| 79 | Invesco Ltd. | 1.52M | — | $355.21M | 0.0% | n/c | 1 | SEC ↗ |
| 80 | Invesco Ltd. | 1.52M | — | $355.21M | 0.0% | n/c | 1 | SEC ↗ |
| 81 | Invesco Ltd. | 1.52M | — | $355.21M | 0.0% | n/c | 1 | SEC ↗ |
| 82 | Invesco Ltd. | 1.52M | — | $355.21M | 0.0% | n/c | 1 | SEC ↗ |
| 83 | Invesco Ltd. | 1.52M | — | $355.21M | 0.0% | n/c | 1 | SEC ↗ |
| 84 | Invesco Ltd. | 1.52M | — | $355.21M | 0.0% | n/c | 1 | SEC ↗ |
| 85 | Invesco Ltd. | 1.52M | — | $355.21M | 0.0% | n/c | 1 | SEC ↗ |
| 86 | Invesco Ltd. | 1.52M | — | $355.21M | 0.0% | n/c | 1 | SEC ↗ |
| 87 | AQR Capital Management ✦ | 1.41M | -6.0% | $330.36M | 0.2% | ▼ Trim | 7 | SEC ↗ |
| 88 | AQR Capital Management ✦ | 1.41M | -6.0% | $330.36M | 0.2% | ▼ Trim | 7 | SEC ↗ |
| 89 | AQR Capital Management ✦ | 1.41M | -6.0% | $330.36M | 0.2% | ▼ Trim | 7 | SEC ↗ |
| 90 | AQR Capital Management ✦ | 1.41M | -6.0% | $330.36M | 0.2% | ▼ Trim | 7 | SEC ↗ |
| 91 | AQR Capital Management ✦ | 1.41M | -6.0% | $330.36M | 0.2% | ▼ Trim | 7 | SEC ↗ |
| 92 | AQR Capital Management ✦ | 1.41M | -6.0% | $330.36M | 0.2% | ▼ Trim | 7 | SEC ↗ |
| 93 | AQR Capital Management ✦ | 1.41M | -6.0% | $330.36M | 0.2% | ▼ Trim | 7 | SEC ↗ |
| 94 | AQR Capital Management ✦ | 1.41M | -6.0% | $330.36M | 0.2% | ▼ Trim | 7 | SEC ↗ |
| 95 | Dimensional Fund Advisors Lp | 1.40M | — | $326.72M | 0.1% | n/c | 1 | SEC ↗ |
| 96 | Dimensional Fund Advisors Lp | 1.40M | — | $326.72M | 0.1% | n/c | 1 | SEC ↗ |
| 97 | Dimensional Fund Advisors Lp | 1.40M | — | $326.72M | 0.1% | n/c | 1 | SEC ↗ |
| 98 | Dimensional Fund Advisors Lp | 1.40M | — | $326.72M | 0.1% | n/c | 1 | SEC ↗ |
| 99 | Dimensional Fund Advisors Lp | 1.40M | — | $326.72M | 0.1% | n/c | 1 | SEC ↗ |
| 100 | Morgan Stanley ✦ | 1.38M | -20.5% | $323.90M | 0.0% | ▼ Trim | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Lone Pine Capital | $292.31M | was 2.1% |
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: Q4 2025 ·
Methodology ·
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