Stock ownership
CIENA CORP
- Ticker
- CIEN
- CUSIP
- 171779309
- Held by
- 2 funds
- Combined value
- $314,744,273
+% bought more, −% sold down — each fund's last-quarter move (change in share count).
| Fund | Quarter | Last quarter | Value | % of fund |
|---|---|---|---|---|
| Lone Pine Capital position history | Q1 2026 | NEW | $314,280,726 | 2.51% |
| Tudor Investment Corp position history | Q1 2026 | NEW | $463,547 | 0.0% |