Ciena Corporation shares owned by PRIMECAP Management Company
Quarter-by-quarter ownership of Ciena Corporation (CIEN) shares owned by PRIMECAP Management Company
from 13F filings
Historical chart of PRIMECAP Management Company investment in Ciena Corporation
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Quarterly reported holdings in Ciena Corporation by PRIMECAP Management Company
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2023-12-31 | $4.9M | 109k | 45.01 |
| 2023-09-30 | $5.2M | 109k | 47.26 |
| 2023-06-30 | $4.4M | 105k | 42.49 |
| 2023-03-31 | $5.4M | 103k | 52.52 |
| 2022-12-31 | $5.2M | 102k | 50.98 |
| 2022-09-30 | $4.1M | 101k | 40.43 |
| 2022-06-30 | $4.6M | 101k | 45.70 |
| 2022-03-31 | $6.1M | 101k | 60.63 |
| 2021-12-31 | $7.6M | 99k | 76.97 |
| 2021-09-30 | $5.1M | 99k | 51.35 |
| 2021-06-30 | $3.3M | 58k | 56.88 |
| 2021-03-31 | $3.2M | 58k | 54.71 |
| 2020-12-31 | $6.0M | 114k | 52.85 |
| 2020-09-30 | $3.4M | 86k | 39.69 |
| 2020-06-30 | $232k | 4.3k | 54.14 |
| 2017-06-30 | $13M | 508k | 25.02 |
| 2017-03-31 | $12M | 513k | 23.61 |
| 2016-12-31 | $13M | 518k | 24.41 |
| 2016-09-30 | $11M | 519k | 21.80 |
| 2016-06-30 | $9.8M | 520k | 18.75 |
| 2016-03-31 | $9.9M | 521k | 19.02 |
| 2015-12-31 | $11M | 521k | 20.69 |
| 2015-09-30 | $11M | 522k | 20.72 |
| 2015-06-30 | $15M | 630k | 23.68 |
| 2015-03-31 | $12M | 633k | 19.31 |
| 2014-12-31 | $12M | 634k | 19.41 |
| 2014-09-30 | $11M | 637k | 16.72 |
| 2014-03-31 | $15M | 642k | 22.74 |
| 2013-12-31 | $16M | 647k | 23.93 |
| 2013-09-30 | $16M | 651k | 24.98 |
| 2013-06-30 | $13M | 662k | 19.42 |
| 2013-03-31 | $11M | 665k | 16.01 |
| 2012-09-30 | $9.1M | 671k | 13.60 |
| 2012-03-31 | $11M | 674k | 16.19 |
| 2011-12-31 | $8.2M | 677k | 12.10 |
| 2011-09-30 | $7.6M | 679k | 11.20 |
| 2011-06-30 | $13M | 679k | 18.38 |
| 2011-03-31 | $18M | 680k | 25.94 |
| 2010-12-31 | $14M | 680k | 21.05 |
| 2010-09-30 | $11M | 680k | 15.57 |
| 2010-06-30 | $8.6M | 680k | 12.68 |
| 2009-12-31 | $7.4M | 681k | 10.84 |
| 2009-09-30 | $11M | 688k | 16.28 |
| 2009-03-31 | $5.4M | 688k | 7.78 |
| 2008-12-31 | $4.6M | 689k | 6.70 |
| 2008-09-30 | $6.9M | 689k | 10.08 |
| 2008-06-30 | $16M | 689k | 23.17 |
| 2008-03-31 | $21M | 689k | 30.83 |
| 2007-12-31 | $24M | 689k | 34.11 |
| 2007-09-30 | $26M | 689k | 38.08 |
| 2007-06-30 | $25M | 698k | 36.13 |
| 2007-03-31 | $20M | 698k | 27.95 |
More positions owned by PRIMECAP Management Company
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