What is the current shares outstanding of CIEN?

As of today, CIEN shares outstanding is 141.55M

What is 1-year change in CIEN shares outstanding?

CIEN shares outstanding is up +0.15% year-over-year

CIEN shares outstanding is down -4.85% over the past 3 years

CIEN shares outstanding is currently -9.46% below its historical high of 156.34M set on January 31, 2019

141.55M44.63K-0.03%

June 6, 2026

Current Value: As of today, CIEN has 141.55M outstanding shares, down -0.03% on June 6, 2026
Historical Performance: CIEN shares outstanding is up +0.15% year-over-year, down -4.85% over the past 3 years
All-Time High Comparison: CIEN shares outstanding is currently -9.46% below its historical high of 156.34M set on January 31, 2019
3-Year Low Comparison: CIEN shares outstanding is +0.38% above its 3-year low of 141.02M reached on October 31, 2025

CIEN Performance
Metric	Date	Value	1Y	3Y	5Y
Shares Outstanding	Jun 6, 26	141.55M	+0.1%	-4.8%	-8.7%
Price	Jul 31, 26	$377.05	+306.9%	+806.4%	+562.1%
Market Cap	Jul 31, 26	$53B	+307.5%	+762.4%	+504.2%
PE Ratio	Jul 31, 26	125.50	+31.1%	+346.1%	+549.3%
TTM Revenue	Apr 1, 26	$5.57B	+30.6%	+38.3%	+64.0%
TTM EPS	Apr 1, 26	$3.00	+318.4%	+122.5%	+28.6%
	Jul 31, 26	$53.75B	+302.4%	+721.4%	+552.6%
TTM Net Income	Apr 1, 26	$438.30M	+318.2%	+116.9%	+19.8%
TTM Dividend	Jul 31, 26	-	–	–	–

CIEN Shares Outstanding Highs Comparison
Period	High	Date	Current
1Y	141.60M	Jun 5, 26	-0.0%
3Y	148.77M	N/A	-4.8%
5Y	155.10M	N/A	-8.7%
All	156.34M	Jan 31, 19	-9.5%

CIEN Shares Outstanding Lows Comparison
Period	Low	Date	Current
1Y	141.02M	Oct 31, 25	+0.4%
3Y	141.02M	Oct 31, 25	+0.4%
5Y	141.02M	Oct 31, 25	+0.4%
All	27.50M	Apr 29, 97	+414.8%

What is the current shares outstanding of CIEN?: As of today, CIEN shares outstanding is 141.55M
What is 1-year change in CIEN shares outstanding?: CIEN shares outstanding is up +0.15% year-over-year
What is 3-year change in CIEN shares outstanding?: CIEN shares outstanding is down -4.85% over the past 3 years
How far is CIEN shares outstanding from its all-time high?: CIEN shares outstanding is currently -9.46% below its historical high of 156.34M set on January 31, 2019