Prime Broking, Clearing & Financing
South Street Securities
Verified 8 November 2026
Capital markets specialist in repo, mortgage trading, algorithmic execution and agency mortgage warehouse financing; FINRA and SIPC member.
Broker-dealer at 1155 Avenue of the Americas, with memberships spanning DTCC, NFA, SIFMA and the IDTA. Its repo desk offers investors access to the repurchase agreement market, its mortgage trading team serves originators hedging forward pipeline exposure, and affiliates include GX2 Systems, Matrix Applications and Maxex.
Every field below was confirmed against a public source on 8 November 2026. Verification is a check on the data, not an endorsement of the firm.
Jurisdiction
New York
Service line
Prime Broking, Clearing & Financing
Services
Repo, Mortgage trading, GX2 algo execution, Warehouse repo
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