86 /100
LOW RISK
Score updated Feb 27, 2026
IONS
Ionis Pharmaceuticals, Inc.

DilutionScore™ measures dilution risk across 5 factors. Lower scores indicate higher risk of share dilution.

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📊 Score Breakdown
📋 Offering Ability
80
💰 Cash Runway
90
📊 Float Risk
93
⚠️ Warrant Exposure
85
🔄Convertible Debt
💹 Market Data
Market Cap$13.06B
Shares Outstanding161.97M
Float160.60M
Cash$2.68B
Debt$2.59B
Short InterestN/A
🏛 Institutional Holdings
440 institutional holders · 210.22M shares
#1 DLD Asset Management, LP 25.20M shares
#2 FMR LLC 23.69M shares
#3 VANGUARD GROUP INC 16.48M shares
+ 17 more holders Sign up free to view →
📉 Short Interest
Short Interest13.73M
Days to Cover6.6
% of Float8.6%
FINRA data as of Jan 15, 2026
📁 Recent SEC Activity
xbrl XBRL CONVERTIBLE Dec 31, 2024
xbrl XBRL WARRANT Dec 31, 2021
Full SEC filing analysis available with free account
📰 Recent News
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