Other

Common Stock, Shares, Outstanding

Ciena Common Stock, Shares, Outstanding increased by 0.3% to 141.5M in Q4 2025 compared to the prior quarter. Year-over-year, this metric declined by 0.8%, from 142.5M to 141.5M. Over 5 years (FY 2020 to FY 2025), Common Stock, Shares, Outstanding shows relatively stable performance with a -1.8% CAGR.

Analysis

StatementBalance Sheet Statement
SectionOther
CategoryCapital Allocation
SignalContext dependent
VolatilityModerate
First reportedQ4 2025
Last reportedQ1 2026

How to read this metric

An increase suggests share issuance (dilution), while a decrease indicates share buybacks (accretion).

Detailed definition

This is the total number of shares currently held by all shareholders, including institutional investors and company ins...

Peer comparison

Standard metric for all public companies; essential for valuation and ownership analysis.

Metric ID: other_common_stock_shares_outstanding

Historical Data

19 periods
 Q2 '21Q3 '21Q4 '21Q1 '22Q2 '22Q3 '22Q4 '22Q1 '23Q2 '23Q3 '23Q4 '23Q1 '24Q2 '24Q3 '24Q4 '24Q1 '25Q2 '25Q3 '25Q4 '25
Value155.1M154.9M153M150.9M148.3M148.4M149.2M149.5M148.8M144.8M144.9M144.2M144.4M142.7M142.5M141.7M141.3M141M141.5M
QoQ Change-0.2%-1.2%-1.4%-1.7%+0.1%+0.5%+0.2%-0.5%-2.7%+0.1%-0.5%+0.2%-1.2%-0.1%-0.6%-0.2%-0.2%+0.3%
YoY Change-4.4%-4.2%-2.5%-0.9%+0.3%-2.4%-2.8%-3.5%-2.9%-1.5%-1.7%-1.7%-2.1%-1.1%-0.8%
Range141M155.1M
CAGR-2.0%
Avg YoY Growth-2.2%
Median YoY Growth-2.1%

Frequently Asked Questions

What is Ciena's common stock, shares, outstanding?
Ciena (CIEN) reported common stock, shares, outstanding of 141.5M in Q4 2025.
How has Ciena's common stock, shares, outstanding changed year-over-year?
Ciena's common stock, shares, outstanding decreased by 0.8% year-over-year, from 142.5M to 141.5M.
What is the long-term trend for Ciena's common stock, shares, outstanding?
Over 5 years (2020 to 2025), Ciena's common stock, shares, outstanding has grown at a -1.8% compound annual growth rate (CAGR), from 154.6M to 141M.
What does common stock, shares, outstanding mean?
The total number of shares currently held by investors.