S3 Partners
The full S3 suiteView all →
Data feeds
S
Short Interest
Real-time, float-adjusted
L
Long Interest
45 days ahead of 13F filings
D
Disclosures
Global regulatory filings
M
MAP
Daily cohort-level ownership
Terminal & Desktop
B
Black App
Short side on Bloomberg
BM
BMAP
Long side on Bloomberg
BB
S3 on Bloomberg
Terminal · BQL · Data License
W
Black App Web
Full coverage, no terminal
Workflow platforms
BL
Blacklight
Counterparty finance
BW
Blackwire
Automated security finance workflow
BN
Blackline
Document negotiation
Lo
Locates
Automated short locates
AboutWhy S3
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
500+ firms · Buy side & sell side
See all audiences →
ResearchBlogs
Request demo →
About
The full S3 suiteView all →
Data feeds
SShort InterestLLong InterestDDisclosuresMMAP
Terminal & Desktop
BBlack AppBMBMAPBBS3 on BloombergWBlack App Web
Workflow platforms
BLBlacklightBWBlackwireBNBlacklineLoLocates
Why S3
Buy side
Own the position
Portfolio ManagersLong Interest · Crowding · Squeeze riskQuant ResearchersMAP · Feature store · AI training dataRisk ManagersConcentration · Cohort attributionLegal & OpsBlackline · Document negotiationCorporate IRShort interest · Ownership monitoring
Sell side
Facilitate flow
Prime BrokerageBlacklight · Blackwire · Rate RouterStock LoanShort Interest · Borrow rates · LocatesEquity Sales & TradingShort interest · Float · Squeeze signalsDerivativesBlack App · Crowding · Options signalsResearchMAP · Cohort flows · Battleground namesCapital MarketsShort interest · Ownership · Deal flow signalsInvestment BankingPositioning context · M&A · ECM analysisBasket Trading / Program & QISCrowding · Float · Factor exposure
See all audiences →
ResearchBlogs
Request demo →
Contact

Talk to S3 Partners.

Whether you're evaluating short interest data, exploring a workflow solution, or ready to start a trial — we'll get you to the right person fast.

500+
Financial firms served globally
$200T+
Assets under intelligence
20+
Years building the data lake

Get in touch

Our team typically responds within one business day. For urgent inquiries, call us directly at the number below.

Phone
(212) 715-4300
General inquiriess
S3.Sales@s3partners.com

590 Madison Avenue, 25th Floor

New York, NY 10022

Request a demo or trial

Tell us about your firm and what you're looking for. We'll match you with the right product and team.

We typically respond within 1 business day.

Our offices

Where we are

S3 Partners serves clients globally from our offices in New York, London, and Hong Kong.

New York
Headquarters
590 Madison Avenue
25th Floor
New York, NY 10022
(212) 715-4300
London
EMEA
(212) 715-4300
Hong Kong
APAC
(212) 715-4300
S3 Partners
Talk to us. Request a demo, start a trial, or speak with sales.

Data & Analytics

Long InterestMAPShort InterestDisclosures

Workflow

BlacklightBlackwireBlacklineLocates

Company

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PRIVACY POLICY
sales@s3partners.com · (212) 715-4300