📊 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$700.75M
Shares Outstanding30.30M
Float25.17M
Cash$299.50M
Debt$37.02M
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 Interest1.53M
Days to Cover4.9
% of Float6.1%
FINRA data as of Mar 31, 2026
📁 Recent SEC Activity
xbrl
XBRL WARRANT
Dec 31, 2020
xbrl
XBRL CONVERTIBLE
Dec 31, 2020
Full SEC filing analysis available with free account →