The Vanguard Group 13D and 13G filings for Ciena Corporation:
- Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
- Shares have been adjusted for stock splits.
| Reported DateTime |
Transaction Date |
Type | Company Symbol |
Filed By Symbol |
Shares Owned % Owned |
Shares Vs. Prev Report | View |
| 2024-02-13 5:02 pm Purchase |
2023-12-29 | 13G | Ciena Corporation CIEN |
The Vanguard Group | 15,026,070 10.370% |
71,292 (+0.48%) |
Filing |
| 2023-06-09 2:15 pm Purchase |
2023-05-31 | 13G | Ciena Corporation CIEN |
The Vanguard Group | 14,954,778 10.030% |
611,605 (+4.26%) |
Filing |
| 2023-02-09 11:12 am Sale |
2022-12-30 | 13G | Ciena Corporation CIEN |
The Vanguard Group | 14,343,173 9.660% |
-206,011 (-1.42%) |
Filing |
| 2022-02-09 3:33 pm Purchase |
2021-12-31 | 13G | Ciena Corporation CIEN |
The Vanguard Group | 14,549,184 9.390% |
236,437 (+1.65%) |
Filing |
| 2021-02-10 10:46 am Sale |
2020-12-31 | 13G | Ciena Corporation CIEN |
The Vanguard Group | 14,312,747 9.260% |
-249,029 (-1.71%) |
Filing |