Dashboard
Trade
Stock
Real-time quotes & charts
Financials
Fundamentals & statistics
Stock Heat Map
Visual market sector overview
Stock News
Latest headlines & analysis
intelligence
Insider Activity
SEC insider filings & transactions
Top Investors
13F institutional holdings
Politicians
Congressional trade tracker
Strategies
Chains
Greeks
Γ
Greeks Exposure
Pick an analytics view
Positioning
& Levels
GEX zones · key strikes
Flow &
Volatility
IV · skew · call/put flow
Options
Heat Map
OI & volume by strike
Market
Structure
Dealer regime · positioning
δ
Indices Drift
Cross-index drift analysis
Option Flow
Smart Money
Institutional (13F)
Whale & hedge fund tracker
Politicians Trades
Congressional trading activity
Insider Trading
SEC Form 4 filings
Calendar
Screener
Brokers
Paper trading
Beta
More
⌘
K
Log In
Get Started
13F Filing History
0+
Select 2 quarters to compare →
All
13F-HR
New Holdings
Restatements
Quarter
Holdings
Value
Top Holdings
Form Type
Date Filed
Filing ID
CASTINE CAPITAL MANAGEMENT, LLC Stock Trades - Castine Capital Management, Llc 13F