Skip to main content
Stocks
Browse Stocks
Search any US-listed stock
Stock Screener
Combine ownership, insider and short filters
Valuation Multiples
EV/Revenue, EV/EBIT and P/E vs industry
Most Shorted
Highest short interest
Squeeze Risk
Composite short-squeeze score
Insider Sentiment
Stocks insiders are accumulating most
Largest Short Volume
Daily short-volume leaders
Highest Off-Exchange Share
Dark-pool / OTC volume leaders
Largest Buybacks
Biggest share-repurchase programs
Going-Concern Flags
Companies disclosing going-concern doubt
Institutions
Filers & Rankings
Browse Filers
All 13F institutional filers
Top by AUM
Largest filers by assets
Smart Money Index
Top funds' highest-conviction basket
Superinvestors
Famous value investors' portfolios
AUM Movers
Biggest assets-under-management swings
Most-Held Stocks
Stocks owned by the most filers
Last Quarter's Movers
Notable position changes
Overlap Matrix
Compare filer portfolios side by side
Clone Backtest
Backtest a combined clone of several filers
Beneficial Ownership
Recent 13D / 13G >5% stakes
13F Activity
13F Statistics
Aggregate filing statistics
Latest Filings
Newest 13F submissions
13F Trends
Sector and flow trends
Double-Down Report
Increased-conviction buys
Conviction Heat Map
Crowded positions at a glance
Markets
Insider Trading
Corporate insider buys and sells
Investment Advisers
SEC-registered Form ADV firms
Economic Data
Federal Reserve and macro indicators
Economic Calendar
Upcoming macro data releases
FDA Calendar
Upcoming FDA advisory-committee meetings
Congress Net Worth
Richest members by disclosed net worth
Congress Leaderboard
Members ranked by portfolio performance
ALVIS
⌘K
Log In
Register
Institutions
Mark F. Vassallo
Mark F. Vassallo
CIK
1512743
No Portfolio Data
No 13F holdings on record for this institution yet.
✕
close
Please leave this field empty
Report a Problem
Category
Wrong Data
Missing Data
Broken Page
Other
Description
Email (optional, for follow-up)
Cancel
Submit Report
close
