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Real-time, float-adjusted
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45 days ahead of 13F filings
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MAP
Daily cohort-level ownership
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Black App
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Black App Web
Full coverage, no terminal
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Blacklight
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Blackline
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About
Products
The full S3 suite
View all →
Data feeds
S
Short Interest
L
Long Interest
D
Disclosures
M
MAP
Terminal & Desktop
B
Black App
BM
BMAP
BB
S3 on Bloomberg
W
Black App Web
Workflow platforms
BL
Blacklight
BW
Blackwire
BN
Blackline
Lo
Locates
Why S3
Who we serve
Buy side
Own the position
Portfolio Managers
Long Interest · Crowding · Squeeze risk
Quant Researchers
MAP · Feature store · AI training data
Risk Managers
Concentration · Cohort attribution
Legal & Ops
Blackline · Document negotiation
Corporate IR
Short interest · Ownership monitoring
Sell side
Facilitate flow
Prime Brokerage
Blacklight · Blackwire · Rate Router
Stock Loan
Short Interest · Borrow rates · Locates
Equity Sales & Trading
Short interest · Float · Squeeze signals
Derivatives
Black App · Crowding · Options signals
Research
MAP · Cohort flows · Battleground names
Capital Markets
Short interest · Ownership · Deal flow signals
Investment Banking
Positioning context · M&A · ECM analysis
Basket Trading / Program & QIS
Crowding · Float · Factor exposure
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