18 /100
LOW RISK
Score updated May 28, 2026

IONS — Ionis Pharmaceuticals, Inc. Dilution Risk Tracker

Track IONS 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.

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📊 Score Breakdown

📋 Offering Ability
40
💰 Cash Runway
10
📊 Float Risk
2
⚠️ Warrant Exposure
15
🔄Convertible Debt

🌦️ Dilution Forecast

☀️
Clear
No significant dilution signals
0%
No significant dilution signals detected for IONS.
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💹 Market Data

Market Cap$12.68B
Shares Outstanding165.26M
Float163.98M
Cash$1.92B
Debt$1.76B
Short InterestN/A

🏛 Institutional Holdings

QoQ: ↓ 13.1% shares (2025Q4 vs prior)
496 institutional holders · 182.65M shares
#1 FMR LLC 24.07M shares
#2 Capital World Investors 17.96M shares
#3 VANGUARD GROUP INC 16.44M shares
+ 17 more holders Sign up free to view →

📉 Short Interest

Short Interest16.28M
Days to Cover8.0
% of Float9.9%
FINRA data as of Apr 30, 2026

📁 Recent SEC Activity

xbrl XBRL CONVERTIBLE Dec 31, 2024
xbrl XBRL WARRANT Dec 31, 2021
4 INSIDER TRANSACTION Apr 17, 2026
4 INSIDER TRANSACTION Apr 17, 2026
4 INSIDER TRANSACTION Apr 17, 2026
Full SEC filing analysis available with free account

📰 Recent News

No recent news
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🔬 More Research for IONS
📊 IONS FDA Catalyst Timeline & Biotech Grade — BiotechSigns 📡 IONS Signal Convergence & Dark Pool Activity — StonkWhisper

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