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CIENA CORP Weighted Avg Shares (Diluted) 2008-2026 | CIEN

Annual FY2008–FY2025 · quarterly through Q2 FY2026

Latest annual · FY2025

145.2M

−0.5%YoY vs FY2024Source: 10-KFY2025

From 110.6M in FY2008 to 145.2M in FY2025: 1.3× in 17 years.

By quarter▲▼ vs a year before
Fiscal yearQ1Q2Q3Q4
FY26146M−0.1%146M+0.9%Not reportedNot reported
FY25146M+0.1%145M0.0%144M−0.6%Not reported
FY24146M−2.5%145M−3.5%145M−3.1%Not reported
FY23150M−4.0%150M−2.1%150M−0.3%Not reported
FY22156M−0.5%153M−2.3%150M−4.0%Not reported

Shaded by size: darkest is the largest quarter shown; ringed is the latest reported; a dash marks a quarter with no separate figure. Each quarter sits by its period-end date.

Key Statistics

Trend DirectionStable
CAGR

−1.4%

FY2020
156.0M
FY2025
145.2M

5 years selected · on the chart

01—History

Weighted Avg Shares (Diluted) History

Year-over-year comparison from 10-K annual reports

  18. 145.2M
YoY changeLargest recent move+25.5%in FY16Latest −0.5%

02—Ledger

Weighted Avg Shares (Diluted), period by period

PeriodValueChangeSource
FY2025145.2M−0.5%10-K
FY2024146.0M−2.3%10-K
FY2023149.4M−1.8%10-K
FY2022152.2M−2.9%10-K
FY2021156.7M+0.5%10-K
FY2020156.0M−1.1%10-K
FY2019157.6M+9.7%10-K
FY2018143.7M−15.4%10-K
FY2017169.9M+12.8%10-K
FY2016150.7M+25.5%10-K
FY2015120.1M+13.5%10-K
FY2014105.8M+3.4%10-K
FY2013102.3M+3.0%10-K
FY201299.3M+3.6%10-K
FY201195.9M+3.0%10-K
FY201093.1M+2.1%10-K
FY200991.2M−17.6%10-K
FY2008110.6M—10-K

03—Questions

What is weighted avg shares (diluted)?

Weighted average shares outstanding (diluted) includes the basic share count plus all potentially dilutive securities such as stock options, warrants, and convertible bonds. It is used as the denominator to calculate diluted earnings per share.

What is CIENA CORP's current weighted avg shares (diluted)?

CIENA CORP (CIEN) annual weighted avg shares (diluted) for 2025 was 145.2M, a 0.49% decline from 2024. CIENA CORP weighted avg shares (diluted) for the quarter ending May 2, 2026 was 146.3M.

What was CIENA CORP's weighted avg shares (diluted) in 2024?

CIENA CORP annual weighted avg shares (diluted) for 2024 was 146.0M, a 2.29% decline from 2023.

What was CIENA CORP's weighted avg shares (diluted) in 2023?

CIENA CORP annual weighted avg shares (diluted) for 2023 was 149.4M, a 1.85% decline from 2022.

What is CIENA CORP's 5-year weighted avg shares (diluted) CAGR?

CIENA CORP weighted avg shares (diluted) grew at a compound annual growth rate (CAGR) of 1.41% from FY2020 to FY2025, going from 156.0M to 145.2M over 5 years.

Company
CIENA CORP
Ticker
CIEN
Sector
Other
Industry
Telephone & Telegraph Apparatus
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