Ciena Corporation shares owned by American Century Companies
Quarter-by-quarter ownership of Ciena Corporation (CIEN) shares owned by American Century Companies
from 13F filings
Historical chart of American Century Companies investment in Ciena Corporation
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Quarterly reported holdings in Ciena Corporation by American Century Companies
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $85M | 586k | 145.67 |
| 2025-06-30 | $39M | 479k | 81.33 |
| 2025-03-31 | $3.0M | 49k | 60.43 |
| 2024-12-31 | $3.8M | 45k | 84.81 |
| 2024-09-30 | $2.7M | 44k | 61.59 |
| 2024-06-30 | $2.1M | 43k | 48.18 |
| 2024-03-31 | $16M | 321k | 49.45 |
| 2023-09-30 | $20M | 416k | 47.26 |
| 2023-06-30 | $26M | 604k | 42.49 |
| 2023-03-31 | $29M | 556k | 52.46 |
| 2022-12-31 | $22M | 434k | 50.98 |
| 2022-09-30 | $789k | 20k | 40.44 |
| 2022-06-30 | $892k | 20k | 45.71 |
| 2022-03-31 | $1.0M | 17k | 60.63 |
| 2021-12-31 | $1.2M | 16k | 76.99 |
| 2021-09-30 | $689k | 13k | 51.38 |
| 2021-06-30 | $664k | 12k | 56.85 |
| 2021-03-31 | $521k | 9.5k | 54.70 |
| 2020-12-31 | $1.2M | 22k | 52.86 |
| 2020-09-30 | $2.3M | 58k | 39.69 |
| 2020-06-30 | $2.6M | 49k | 54.17 |
| 2020-03-31 | $2.0M | 51k | 39.80 |
| 2019-12-31 | $3.9M | 91k | 42.69 |
| 2019-09-30 | $11M | 277k | 39.23 |
| 2019-06-30 | $13M | 324k | 41.13 |
| 2019-03-31 | $15M | 393k | 37.34 |
| 2018-12-31 | $11M | 317k | 33.91 |
| 2018-09-30 | $4.4M | 141k | 31.24 |
| 2018-06-30 | $8.3M | 312k | 26.51 |
| 2018-03-31 | $12M | 473k | 25.90 |
| 2017-12-31 | $9.6M | 458k | 20.93 |
| 2017-09-30 | $11M | 476k | 21.97 |
| 2017-06-30 | $16M | 636k | 25.02 |
| 2017-03-31 | $17M | 700k | 23.61 |
| 2016-12-31 | $18M | 752k | 24.41 |
| 2016-09-30 | $23M | 1.0M | 21.80 |
| 2016-06-30 | $25M | 1.3M | 18.75 |
| 2016-03-31 | $15M | 761k | 19.02 |
| 2015-12-31 | $11M | 533k | 20.69 |
| 2015-09-30 | $3.1M | 150k | 20.72 |
| 2015-06-30 | $416k | 18k | 23.69 |
| 2015-03-31 | $434k | 22k | 19.38 |
| 2014-12-31 | $3.0M | 154k | 19.41 |
| 2014-09-30 | $36M | 2.2M | 16.72 |
| 2014-06-30 | $82M | 3.8M | 21.66 |
| 2014-03-31 | $71M | 3.1M | 22.74 |
| 2013-12-31 | $95M | 4.0M | 23.93 |
| 2013-09-30 | $131M | 5.2M | 24.98 |
| 2013-06-30 | $3.7M | 189k | 19.42 |
| 2013-03-31 | $3.2M | 199k | 16.01 |
| 2012-12-31 | $3.3M | 211k | 15.70 |
| 2012-09-30 | $2.5M | 183k | 13.60 |
| 2012-06-30 | $3.2M | 194k | 16.37 |
More positions owned by American Century Companies
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