Grantham, Mayo, Van Otterloo & Co. LLC
- SEC CIK
- 0001352662
- Latest filing
- Aug 13, 2026
CIEN holding history
Ciena Corp in every 13F filed by Grantham, Mayo, Van Otterloo & Co. LLC, 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 2025)
- 0
- Sold out in Q2 2025
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 14
- Since Q3 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2025 | 0 | $0 | 0.0% | −252,853−100.0% | Sold out | Holders |
| Q1 2025 | 252,853 | $15.3M | <0.1% | −290,703−53.5% | Reduced | Holders |
| Q4 2024 | 543,556 | $46.1M | 0.1% | −114,207−17.4% | Reduced | Holders |
| Q3 2024 | 657,763 | $40.5M | 0.1% | +54,913+9.1% | Added | Holders |
| Q2 2024 | 602,850 | $29.0M | 0.1% | +24,827+4.3% | Added | Holders |
| Q1 2024 | 578,023 | $28.6M | 0.1% | +199,829+52.8% | Added | Holders |
| Q4 2023 | 378,194 | $17.0M | 0.1% | −15,942−4.0% | Reduced | Holders |
| Q3 2023 | 394,136 | $18.6M | 0.1% | +169,773+75.7% | Added | Holders |
| Q2 2023 | 224,363 | $9.53M | <0.1% | 00.0% | Unchanged | Holders |
| Q1 2023 | 224,363 | $11.8M | 0.1% | +109,101+94.7% | Added | Holders |
| Q4 2022 | 115,262 | $5.88M | <0.1% | −58,873−33.8% | Reduced | Holders |
| Q3 2022 | 174,135 | $7.04M | <0.1% | +157,835+968.3% | Added | Holders |
| Q2 2022 | 16,300 | $745.0K | <0.1% | +16,300 | New | Holders |
| Q1 2022 | 0 | $0 | 0.0% | −32,686−100.0% | Sold out | Holders |
| Q4 2021 | 32,686 | $2.52M | <0.1% | +19,886+155.4% | Added | Holders |
| Q3 2021 | 12,800 | $657.0K | <0.1% | +12,800 | New | Holders |