CIEN
CIENA CORP · Search Wikipedia for CIENA CORP · Yahoo Finance chart ↗
Price
- Last close
- $320.72Last update Oct 30, 2026
- 12-month high
- $637.51
- 12-month low
- $168.22
Some historical prices are missing. High and low cover the available dates.
Reported holders
Politicians whose newest complete holdings report lists this stock, or who reported buying it after that report (or at any time, if they have no usable report). A later full sale that could have closed the position removes them.
| Name | Purchased | Price that day | ROI |
|---|---|---|---|
| Gilbert Cisneros Rank #23 | May 29, 2026 | $580.23 | -44.73% |
| Alan Armstrong | Mar 30, 2026 | $365.00 | -12.13% |
| Rob Bresnahan Rank #94 | Held as of Dec 31, 2025 (holdings report) | Not available | Not available |
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. Holders listed from a holdings report alone have no purchase date, so no price or ROI.