FMR LLC
- SEC CIK
- 0000315066
CIEN holding history
CIENA CORP
Every 13F filing in which FMR LLC reported holding CIEN, plus the quarters it sold out. Changes compare share counts with the previous calendar quarter.
CIEN overviewAll 13F holders of CIENFull portfolio
| Quarter | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Q2 2026 | 19,113,538 | $9.38B | 0.41% | −2,096,218−9.9% | Reduced |
| Q1 2026 | 21,209,756 | $8.23B | 0.43% | +81,546+0.4% | Added |
| Q4 2025 | 21,128,210 | $4.94B | 0.25% | −30,176−0.1% | Reduced |
| Q3 2025 | 21,158,386 | $3.08B | 0.16% | −74,244−0.3% | Reduced |
| Q2 2025 | 21,232,630 | $1.73B | 0.10% | −80,393−0.4% | Reduced |
| Q1 2025 | 21,313,023 | $1.29B | 0.08% | −221,723−1.0% | Reduced |
| Q4 2024 | 21,534,746 | $1.83B | 0.11% | −129,320−0.6% | Reduced |
| Q3 2024 | 21,664,066 | $1.33B | 0.08% | +108,407+0.5% | Added |
| Q2 2024 | 21,555,659 | $1.04B | 0.07% | +2,419,371+12.6% | Added |
| Q1 2024 | 19,136,288 | $946.29M | 0.06% | +7,818,633+69.1% | Added |
| Q4 2023 | 11,317,655 | $509.41M | 0.04% | +2,377,015+26.6% | Added |
| Q3 2023 | 8,940,640 | $422.53M | 0.04% | +371,041+4.3% | Added |
| Q2 2023 | 8,569,599 | $364.12M | 0.03% | −9,028,065−51.3% | Reduced |
| Q1 2023 | 17,597,664 | $924.23M | 0.04% | +8,687,030+97.5% | Added |
| Q4 2022 | 8,910,634 | $454.26M | 0.05% | +299,753+3.5% | Added |
| Q3 2022 | 8,610,881 | $348.14M | 0.04% | +6,781+0.1% | Added |
| Q2 2022 | 8,604,100 | $393.21M | 0.04% | −213,330−2.4% | Reduced |
| Q1 2022 | 8,817,430 | $534.6M | 0.04% | −70,377−0.8% | Reduced |
| Q4 2021 | 8,887,807 | $684.1M | 0.05% | +1,701,056+23.7% | Added |
| Q3 2021 | 7,186,751 | $369.04M | 0.03% | +825,922+13.0% | Added |
| Q2 2021 | 6,360,829 | $361.87M | 0.03% | +1,418,204+28.7% | Added |
| Q1 2021 | 4,942,625 | $270.46M | 0.02% | +4,942,625 | New |