D. E. Shaw & Co., Inc.
- SEC CIK
- 0001009207
- Latest filing
- Aug 14, 2026
CIEN holding history
Ciena Corp in every 13F filed by D. E. Shaw & Co., Inc., including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
CIEN overviewAll 13F holders of CIENFull Q2 2026 holdings
- Shares (Q2 2026)
- 133,195
- Value
- $65.3M
- % of portfolio
- <0.1%
- Quarters held
- 17
- Since Q1 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 133,195 | $65.3M | <0.1% | +124,283+1,394.6% | Added | Holders |
| Q1 2026 | 8,912 | $3.46M | <0.1% | −4,944−35.7% | Reduced | Holders |
| Q4 2025 | 13,856 | $3.24M | <0.1% | −54,856−79.8% | Reduced | Holders |
| Q3 2025 | 68,712 | $10.0M | <0.1% | +3,381+5.2% | Added | Holders |
| Q2 2025 | 65,331 | $5.31M | <0.1% | −52,671−44.6% | Reduced | Holders |
| Q1 2025 | 118,002 | $7.13M | <0.1% | +102,202+646.8% | Added | Holders |
| Q4 2024 | 15,800 | $1.34M | <0.1% | +9,050+134.1% | Added | Holders |
| Q3 2024 | 6,750 | $415.7K | <0.1% | +6,750 | New | Holders |
| Q4 2023 | 0 | $0 | 0.0% | −4,700−100.0% | Sold out | Holders |
| Q3 2023 | 4,700 | $222.1K | <0.1% | +4,700 | New | Holders |
| Q1 2023 | 0 | $0 | 0.0% | −8,492−100.0% | Sold out | Holders |
| Q4 2022 | 8,492 | $432.9K | <0.1% | −75,022−89.8% | Reduced | Holders |
| Q3 2022 | 83,514 | $3.38M | <0.1% | −330,100−79.8% | Reduced | Holders |
| Q2 2022 | 413,614 | $18.9M | <0.1% | +45,877+12.5% | Added | Holders |
| Q1 2022 | 367,737 | $22.3M | <0.1% | −136,169−27.0% | Reduced | Holders |
| Q4 2021 | 503,906 | $38.8M | <0.1% | −199,861−28.4% | Reduced | Holders |
| Q3 2021 | 703,767 | $36.1M | <0.1% | +26,595+3.9% | Added | Holders |
| Q2 2021 | 677,172 | $38.5M | <0.1% | −40,259−5.6% | Reduced | Holders |
| Q1 2021 | 717,431 | $39.3M | <0.1% | – | – | Holders |
Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.