📊 Score Breakdown
Offering Ability
20
Cash Runway
0
Float Risk
10
Warrant Exposure
15
Convertible Debt—
🌦️ Dilution Forecast
☀️
Clear
No significant dilution signals
0%
No significant dilution signals detected for CSTL.
💹 Market Data
Market Cap$670.60M
Shares Outstanding30.33M
Float26.86M
Cash$261.68M
Debt$36.72M
Short InterestN/A
🏛 Institutional Holdings
QoQ: ↓ 3.7% shares (2025Q4 vs prior)
196 institutional holders · 28.12M shares
#1
BlackRock, Inc.
3.11M shares
#2
VANGUARD GROUP INC
2.20M shares
#3
RTW INVESTMENTS, LP
2.12M shares
+ 17 more holders Sign up free to view →
📉 Short Interest
Short Interest1.43M
Days to Cover4.7
% of Float5.3%
FINRA data as of Apr 30, 2026
📁 Recent SEC Activity
xbrl
XBRL CONVERTIBLE
Dec 31, 2020
xbrl
XBRL WARRANT
Dec 31, 2020
Full SEC filing analysis available with free account →
📰 Recent News
No recent news
🔬 More Research for CSTL
📊 CSTL FDA Catalyst Timeline & Biotech Grade — BiotechSigns
📡 CSTL Signal Convergence & Dark Pool Activity — StonkWhisper
Part of the Guerilla Finance research network. Cross-reference multiple data sources for better due diligence.