10 /100
LOW RISK
Score updated Jul 13, 2026

CIEN — Ciena Corporation Dilution Risk Tracker

Track CIEN dilution risk with DilutionWatch's stock tracker. DilutionScore™ measures dilution risk across 5 factors — lower scores indicate higher risk of share dilution.

⚠️ Not financial advice. Do your own research before making any investment decisions.

🔔 Track CIEN — Get alerts when the score changes →

As of July 13, 2026, Ciena Corporation (CIEN) has a DilutionWatch DilutionScore of 10/100, rated LOW dilution risk. Ciena Corporation has a market capitalization of $82.04B, 141.55M shares outstanding, 1085 institutional holders tracked. Key dilution vectors include approximately 999 months of cash runway.

Source: DilutionWatch (dilutionwatch.com) — data updated daily from SEC EDGAR filings. Not financial advice.

📊 Score Breakdown

📋 Offering Ability
19
💰 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.
🔔 Track CIEN — Get forecast alerts →

💹 Market Data

Market Cap$82.04B
Shares Outstanding141.55M
Float140.73M
Cash$1.20B
Debt$1.53B
Short InterestN/A

🏛 Institutional Holdings

QoQ: ↓ 2.0% shares (2026Q1 vs prior)
1085 institutional holders · 156.32M shares
#1 FMR LLC 21.21M shares
#2 VANGUARD CAPITAL MANAGEMENT LLC 18.34M shares
#3 BlackRock, Inc. 13.37M shares
+ 17 more holders Sign up free to view →

📉 Short Interest

Short Interest3.85M
Days to Cover1.0
% of Float2.7%
FINRA data as of Jun 30, 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

📰 Recent News

No recent news

📋 What This Means for CIEN Shareholders

Ciena Corporation (CIEN) has a DilutionScore of 10/100, rated Low dilution risk. At this score level, DilutionWatch's real-time EDGAR monitoring shows limited near-term dilution signals. This does not mean zero dilution risk — shelf registrations can be filed and activated quickly — but the current filing profile shows no major outstanding dilution programs. Score as of July 13, 2026.

DilutionWatch's EDGAR monitoring for CIEN shows no major active dilution programs at this time. The primary risk categories — shelf registration capacity, ATM programs, warrant overhang, and cash runway — are each within normal ranges for a company of this profile. This can change quickly if a new S-3 or Form S-1 is filed.

DilutionWatch tracks over 25 SEC filing types for CIEN in real-time, scanning EDGAR every 60 seconds. The DilutionWatch screener shows real-time score changes for CIEN alongside comparable low-risk stocks. Not financial advice — this analysis is for informational purposes only.

Track CIEN Dilution Risk in Real-Time
Get instant alerts when SEC filings impact dilution risk. Free tier available.
Start Tracking CIEN — Free
Real-time SEC alerts DilutionScore™ tracking No credit card required

🔗 Related Stocks — LOW Risk

Other LOW dilution risk stocks tracked by DilutionWatch with similar profiles:

Browse all 7,800+ tracked stocks →

📖 Dilution Education
→ Complete Dilution Guide for Retail Investors → Anti-Dilution Provisions Explained → Stock Dilution Red Flags to Watch → Understanding Shelf Registrations
🔬 More Research for CIEN
📊 CIEN FDA Catalyst Timeline & Biotech Grade — BiotechSigns 📡 CIEN Signal Convergence & Dark Pool Activity — StonkWhisper

Part of the Guerilla Finance research network. Cross-reference multiple data sources for better due diligence.