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Norges Bank Investment Management position in CIEN
CIENA CORP · Utilities
Latest position (Q2 2026)1.70M sh
Reported value held$835.50M
Portfolio Weight0.08%
First reportedQ4 2000
Last changeAdd
Quarter by quarter
| Quarter | Shares | Value | Change |
|---|---|---|---|
| Q4 2000 | 15.10K | $1.23M | New |
| Q3 2002 | 277.39K | $825.00K | Add |
| Q4 2002 | 353.36K | $1.82M | Add |
| Q1 2003 | 458.40K | $2.00M | Add |
| Q2 2003 | 544.28K | $2.83M | Add |
| Q3 2003 | 524.52K | $3.10M | Reduce |
| Q1 2007 | 275.65K | $8.50M | Reduce |
| Q2 2007 | 1.40K | $51.00K | Reduce |
| Q3 2007 | 28.44K | $1.08M | Add |
| Q4 2007 | 184.42K | $4.61M | Add |
| Q1 2008 | 275.65K | $8.50M | Add |
| Q2 2008 | 311.87K | $7.23M | Add |
| Q3 2008 | 367.64K | $3.71M | Add |
| Q4 2022 | 1.31M | $66.94M | Add |
| Q4 2023 | 1.63M | $73.48M | Add |
| Q2 2024 | 41.08K | $1.98M | Reduce |
| Q4 2024 | 86.73K | $7.36M | Add |
| Q2 2025 | 78.19K | $6.36M | Reduce |
| Q4 2025 | 811.95K | $189.89M | Add |
| Q2 2026 | 1.70M | $835.50M | Add |
Dots on the line are colored by change type; missing quarters mean no position was reported.
Other funds holding CIEN
- Fidelity Management & Research (FMR) 19.11M sh · $9.38B · Q2 2026
- BlackRock Inc 12.72M sh · $6.24B · Q2 2026
- Vanguard Group 14.38M sh · $3.36B · Q4 2025
- Geode Capital Management 3.37M sh · $1.65B · Q2 2026
- Bank of America Corp 1.79M sh · $877.41M · Q2 2026
- Capital World Investors 1.76M sh · $861.23M · Q2 2026
- Invesco Ltd 1.73M sh · $848.77M · Q2 2026
- Arrowstreet Capital 1.68M sh · $822.68M · Q2 2026
- Morgan Stanley 1.63M sh · $801.88M · Q2 2026
- Citadel Advisors 1.33M sh · $651.74M · Q2 2026
- Charles Schwab Investment Management 1.25M sh · $612.71M · Q2 2026