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CIENA CORP
CIEN - Company ID 0000936395
Market cap$65.43 B
Rank#260
Filings1,000
Market capitalization of CIENA CORP
As of 2026-07-10, CIENA CORP (CIEN) has a market capitalization of $65.43 B, making it the #260 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-07-10 | $65.43 B |
| 2026-07-09 | $65.37 B |
| 2026-07-08 | $62.35 B |
| 2026-07-07 | $59.23 B |
| 2026-07-06 | $61.37 B |
| 2026-07-05 | $59.74 B |
| 2026-07-04 | $59.74 B |
| 2026-07-03 | $59.74 B |
| 2026-07-02 | $59.72 B |
| 2026-07-01 | $65.39 B |
| 2026-06-30 | $68.18 B |
| 2026-06-29 | $67.49 B |
Market Cap of similar companies
Frequently asked questions
What is CIENA CORP's market cap?
As of 2026-07-10, CIENA CORP (CIEN) has a market capitalization of $65.43 B, making it the #260 most valuable US-listed company.
Where does CIENA CORP rank by market cap?
CIENA CORP is the #260 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.