📊 Score Breakdown
Offering Ability
20
Cash Runway
0
Float Risk
2
Warrant Exposure
15
Convertible Debt—
🌦️ Dilution Forecast
☀️
Clear
No significant dilution signals
0%
No significant dilution signals detected for CIEN.
💹 Market Data
Market Cap$70.17B
Shares Outstanding141.40M
Float140.63M
Cash$1.30B
Debt$1.59B
Short InterestN/A
🏛 Institutional Holdings
QoQ: ↑ 3.4% shares (2025Q4 vs prior)
842 institutional holders · 159.53M shares
#1
FMR LLC
21.13M shares
#2
BlackRock, Inc.
16.67M shares
#3
VANGUARD GROUP INC
14.38M shares
+ 17 more holders Sign up free to view →
📉 Short Interest
Short Interest5.98M
Days to Cover1.7
% of Float4.2%
FINRA data as of Mar 31, 2026
📁 Recent SEC Activity
xbrl
XBRL CONVERTIBLE
Jul 30, 2022
4
INSIDER TRANSACTION
Mar 04, 2026
4
INSIDER TRANSACTION
Feb 19, 2026
4
INSIDER TRANSACTION
Feb 19, 2026
4
INSIDER TRANSACTION
Jan 20, 2026
Full SEC filing analysis available with free account →