Ciena Corporation shares owned by The Allstate Corporation
Quarter-by-quarter ownership of Ciena Corporation (CIEN) shares owned by The Allstate Corporation
from 13F filings
Historical chart of The Allstate Corporation investment in Ciena Corporation
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Quarterly reported holdings in Ciena Corporation by The Allstate Corporation
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2026-03-31 | $5.6M | 14k | 388.23 |
| 2025-12-31 | $2.5M | 11k | 233.87 |
| 2021-12-31 | $586k | 7.6k | 76.96 |
| 2021-09-30 | $509k | 9.9k | 51.32 |
| 2021-06-30 | $564k | 9.9k | 56.86 |
| 2021-03-31 | $543k | 9.9k | 54.74 |
| 2020-12-31 | $543k | 10k | 52.90 |
| 2020-09-30 | $367k | 9.3k | 39.65 |
| 2020-06-30 | $441k | 8.1k | 54.14 |
| 2020-03-31 | $501k | 13k | 39.78 |
| 2019-12-31 | $309k | 7.2k | 42.69 |
| 2011-12-31 | $145k | 12k | 12.08 |
| 2011-09-30 | $134k | 12k | 11.17 |
| 2011-06-30 | $191k | 10k | 18.37 |
| 2011-03-31 | $270k | 10k | 25.96 |
| 2010-12-31 | $219k | 10k | 21.06 |