Stocks / CIEN / Shares Outstanding

Ciena Corporation Shares Outstanding 2008–2025

Ciena Corporation reported 141.0M of shares outstanding for fiscal 2025. That was 1.1% lower than fiscal 2024. Compared with fiscal 2020, the change was -8.8%. A falling share count is consistent with net buybacks exceeding issuance over the period, though the filing should be checked for the components.

Latest filed value
141.0M
One-year change
-1.1%
Change since 2020
-8.8%
Latest period end
2025-10-31
Ciena Corporation Shares Outstanding history from 2008 to 2025FY 2008: 0FY 2009: 92038360FY 2010: 94060300FY 2011: 97440436FY 2012: 100601792FY 2013: 103705709FY 2014: 106979960FY 2015: 135612217FY 2016: 139767627FY 2017: 143043227FY 2018: 154318531FY 2019: 154403850FY 2020: 154563005FY 2021: 154858981FY 2022: 148412943FY 2023: 144829938FY 2024: 142656116FY 2025: 141016300
Annual filed history. Hover chart points for raw values; the accessible table below is the source of record.
Fiscal yearShares OutstandingChange (YoY)
FY 2025141.0M-1.1%
FY 2024142.7M-1.5%
FY 2023144.8M-2.4%
FY 2022148.4M-4.2%
FY 2021154.9M+0.2%
FY 2020154.6M+0.1%
FY 2019154.4M+0.1%
FY 2018154.3M+7.9%
FY 2017143.0M+2.3%
FY 2016139.8M+3.1%
FY 2015135.6M+26.8%
FY 2014107.0M+3.2%
FY 2013103.7M+3.1%
FY 2012100.6M+3.2%
FY 201197.4M+3.6%
FY 201094.1M+2.2%
FY 200992.0M
FY 20080.0M

Source: Ciena Corporation SEC filings — balance sheet (10-K), split-adjusted. Computed deterministically; refreshed nightly (last updated August 2, 2026). Open CIEN 10-K filings at SEC EDGAR · Methodology · Download CSV.

How to read this history

Ciena Corporation reported 141.0M of shares outstanding for fiscal 2025. That was 1.1% lower than fiscal 2024. Compared with fiscal 2020, the change was -8.8%. A falling share count is consistent with net buybacks exceeding issuance over the period, though the filing should be checked for the components. Values remain missing when the cached filing does not disclose a comparable line item; they are never estimated. Stock splits, reorganizations and fiscal-calendar changes can reduce comparability.

Prepared and reviewed by the stockportfolio.pro research desk. Corrections: support@stockportfolio.pro.

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Ciena Corporation — frequently asked questions

What is Ciena Corporation's shares outstanding?

Ciena Corporation (CIEN) reported shares outstanding of 141.0M for fiscal year 2025, per its SEC filings.

Where does this data come from?

Figures are computed from Ciena Corporation's official SEC filings (balance sheet (10-K), split-adjusted), refreshed nightly. Not investment advice.

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