Free data · CIEN

Ciena Corp (CIEN) free float and shares outstanding

As of 2026-08-03, Datawiser estimates Ciena Corp (CIEN) free float at 98.8611%, using 141,552,922 shares outstanding and 1,612,212 excluded shares. The latest company-reported outstanding-share observation in this published snapshot is 141,552,922 shares as of 2026-05-29, sourced from a 10-Q filing.

Page data updated .

Free float
98.8611%
Free-float factor
0.988611
Estimate date

Free-float snapshot

Free float98.8611%
Free-float factor0.988611
As of
Shares outstanding used141,552,922
Excluded shares1,612,212

Latest company-reported shares outstanding

Shares outstanding141,552,922
As of
Observation typelatest_practicable_outstanding
Filing type10-Q
Security typeCommon Stock

The reported share count and Datawiser free-float estimate retain separate dates because they are independently selected observations.

Security identifiers

SecurityCiena Ord Shs
TickerCIEN
Exchange MICXNYS
CurrencyUSD
FIGIBBG000BP13M9

How to cite this page

Datawiser, “Ciena Corp (CIEN) free-float data,” free-float estimate as of 2026-08-03, https://datawiser.ai/free-data/cien.

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