Ciena Corporation shares owned by Ostrum Asset Management
Quarter-by-quarter ownership of Ciena Corporation (CIEN) shares owned by Ostrum Asset Management
from 13F filings
Historical chart of Ostrum Asset Management investment in Ciena Corporation
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Quarterly reported holdings in Ciena Corporation by Ostrum Asset Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2026-03-31 | $2.3M | 5.9k | 388.23 |
| 2025-12-31 | $627k | 2.7k | 233.87 |
| 2025-09-30 | $736k | 5.1k | 145.67 |
| 2025-06-30 | $821k | 10k | 81.33 |