Ciena Corporation shares owned by Norges Bank Investment Management
Quarter-by-quarter ownership of Ciena Corporation (CIEN) shares owned by Norges Bank Investment Management
from 13F filings
Historical chart of Norges Bank Investment Management investment in Ciena Corporation
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Quarterly reported holdings in Ciena Corporation by Norges Bank Investment Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2023-12-31 | $74M | 1.6M | 45.01 |
| 2022-12-31 | $67M | 1.3M | 50.98 |
| 2022-09-30 | $54M | 1.3M | 40.43 |
| 2022-06-30 | $67M | 1.5M | 45.70 |
| 2022-03-31 | $85M | 1.4M | 60.63 |
| 2021-12-31 | $110M | 1.4M | 76.97 |
| 2021-09-30 | $73M | 1.4M | 51.35 |
| 2021-06-30 | $82M | 1.4M | 56.89 |
| 2021-03-31 | $79M | 1.4M | 54.72 |
| 2020-12-31 | $135M | 2.6M | 52.85 |
| 2020-09-30 | $105M | 2.6M | 39.69 |
| 2020-06-30 | $85M | 1.6M | 54.16 |
| 2020-03-31 | $82M | 2.1M | 39.81 |
| 2019-12-31 | $86M | 2.0M | 42.69 |
| 2019-09-30 | $79M | 2.0M | 39.23 |
| 2019-06-30 | $83M | 2.0M | 41.13 |
| 2019-03-31 | $68M | 1.8M | 37.34 |
| 2018-12-31 | $60M | 1.8M | 33.91 |
| 2018-09-30 | $53M | 1.7M | 31.24 |
| 2018-06-30 | $46M | 1.7M | 26.51 |
| 2018-03-31 | $45M | 1.7M | 25.90 |
| 2017-12-31 | $28M | 1.3M | 20.93 |
| 2017-09-30 | $30M | 1.4M | 21.97 |
| 2017-06-30 | $35M | 1.4M | 25.02 |
| 2017-03-31 | $39M | 1.7M | 23.61 |
| 2016-12-31 | $33M | 1.3M | 24.41 |
| 2016-09-30 | $32M | 1.5M | 20.82 |
| 2016-06-30 | $24M | 1.3M | 18.75 |
| 2016-03-31 | $21M | 1.1M | 19.02 |
| 2015-12-31 | $22M | 1.0M | 20.69 |
| 2015-09-30 | $21M | 1.0M | 20.72 |
| 2015-06-30 | $16M | 678k | 23.68 |
| 2015-03-31 | $8.4M | 434k | 19.31 |
| 2014-12-31 | $9.2M | 475k | 19.41 |
| 2014-09-30 | $12M | 724k | 16.72 |
| 2014-06-30 | $16M | 724k | 21.66 |
| 2014-03-31 | $22M | 954k | 22.74 |
| 2013-12-31 | $23M | 954k | 23.93 |
| 2013-09-30 | $24M | 954k | 24.98 |
| 2013-06-30 | $19M | 954k | 19.42 |
| 2013-03-31 | $14M | 884k | 16.01 |
| 2012-12-31 | $13M | 820k | 15.70 |
| 2012-09-30 | $11M | 820k | 13.60 |
| 2012-06-30 | $12M | 762k | 16.03 |
| 2012-03-31 | $12M | 762k | 16.19 |
| 2011-12-31 | $8.4M | 697k | 12.10 |
| 2011-09-30 | $7.6M | 678k | 11.20 |
| 2011-06-30 | $13M | 678k | 18.38 |
| 2011-03-31 | $17M | 641k | 25.96 |
| 2010-09-30 | $10M | 641k | 15.57 |
| 2010-06-30 | $7.0M | 555k | 12.68 |
| 2010-03-31 | $9.0M | 594k | 15.24 |
| 2009-09-30 | $8.8M | 544k | 16.28 |
| 2009-06-30 | $5.0M | 486k | 10.35 |
| 2009-03-31 | $2.7M | 349k | 7.78 |
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