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About South Street Securities

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Our Values


South Street Securities has fostered a culture of smart growth and financial strength,
driven by our core values. 

Entrepreneurship

Our firm was born out of the core beliefs that define our founders' attitudes toward risks, opportunities and empowering others to influence their own outcomes.

Adaptability

Our industries have undergone tectonic shifts in the 20+ years since our founding, and our ability to respond and react to the environment has been the key to our success.

Persistence

Our growth-oriented culture is predicated on continually searching for competitive advantages and sustainable growth initiatives for all of our stakeholders.

Integrity

Our moral obligations and ethical beliefs lead us in every interaction and transaction that we experience both individually and as a team. 

 

South Street Securities
at a Glance

20+

Years of Experience
in the Marketplace

500+

Financial Services
Industry Counterparties

115+

Employees Globally,
and Growing

Our History

South Street Securities was founded by the former primary dealer, repo & structured finance management team of Citicorp/Citibank after Citi merged with Travelers Insurance.

SouthStreetSecurities
Founded

March 2001

The idea for an independent repo securities finance dealer was first conceived by the former management team of Citibank’s Primary Dealer, Structured Finance and Repo Finance businesses after the merger with Travelers in 2000. 

FICC Tier 1 

2004

Tier 1 member of the FICC with full netting rights, providing a steady source of liquidity for general collateral and specials collateral.

MatrixApplications
Matrix Expands Offerings

2017

Matrix Applications acquires substantially all of the assets of ReadQ, including the QTIX collateral management platform.

Global Presence

2017

With an increasing interest from UK clients, South Street Securities registered its United Kingdom Representative Office.

AmeriVet

SDVOB & MBE Investment

2017

South Street Securities invests in AmeriVet Securities, a full-service institutional broker-dealer that is uniquely positioned as a dual registered Service-Disabled Veteran-Owned Business and Minority Business Enterprise.

Strategic Partnerships

2018

South Street Capital Management, an asset manager specializing in Residential Mortgage Backed Securities, was formed in 2018 as a partnership between Atlantic Capital Advisors  and South Street Holdings Inc. who had been strategic partners for 10+ years. 

CompanyInvestments
Investments

2022

South Street Securities Holdings, Inc. invests in Digital Prime Technologies, an innovative provider of turnkey prime brokerage solutions for financial institutions, and Kayenta Ltd., a provider of cloud native, API driven hedge fund software that gives investment managers unparalleled transparency into their financing costs.

South Street Securities Holdings also secured $90mm in capital from BlackRock and BC Partners.

SSS-MAXEX
Industry Presence

2023

South Street Securities Holdings announced a strategic partnership with MAXEX to expand liquidity in the U.S. mortgage secondary market.

South Street Securities won America’s Repo Team of the Year at the Securities Finance Times Industry Awards.

SSS-GX2-Systems (1)
Acquisition & Innovation

2024

South Street Securities Holdings acquired GX2 Systems, LLC and its wholly owned broker-dealer subsidiary, GX2 Spread Markets, LLC, focused on providing efficient spread execution services in global electronic markets.

South Street Securities launched a TBA Trading App for mortgage originator customers to access live trading with South Street’s TBA Desk, enhancing the trading experience by providing real-time communication via chat, access to key market insights and trading functions.

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