CIEN - CIK 0000936395
As of 2026-06-10, CIENA CORP (CIEN) has a market capitalization of $61.43 B, making it the #269 most valuable US-listed company.
| Date | Market cap |
|---|---|
| 2026-06-10 | $61.43 B |
| 2026-05-29 | $77.34 B |
| 2026-05-28 | $82.31 B |
| 2026-05-26 | $84.47 B |
| 2026-05-25 | $82.54 B |
| 2026-05-24 | $82.54 B |
| 2026-05-22 | $82.54 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.
As of 2026-06-10, CIENA CORP (CIEN) has a market capitalization of $61.43 B, making it the #269 most valuable US-listed company.
CIENA CORP is the #269 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.