CIEN
CIENA CORP · Search Wikipedia for CIENA CORP · Yahoo Finance chart ↗
Price
- Last close
- $340.50Last update Sep 16, 2026
- 12-month high
- $637.51
- 12-month low
- $132.93
The latest refresh is unavailable. Showing the last verified prices.
Reported holders
Reported purchases with no subsequent reported sale.
| Name | Purchased | Price that day | ROI |
|---|---|---|---|
| Gilbert Cisneros Rank #49 | May 29, 2026 | $580.23 | -41.32% |
| Alan Armstrong | Mar 30, 2026 | $365.00 | -6.71% |
Prices are the market close on the purchase date; exact purchase prices are not disclosed. ROI is the percentage gain or loss from that price to the last close.