South Street Securities Attending the ISLA Americas 2nd Annual Securities Finance & Collateral Management Conference

Tony Venditti and Frank Giusti from South Street Securities will be attending the ISLA Americas 2nd Annual Securities Finance & Collateral Management Conference in Miami, Florida on October 13-16th, 2025.

The conference will feature a dive into digital innovation, spanning from AI to tokenization, as well as how the new regulator shifts will redefine funding, transparency and oversight. Together, attendees will investigate the forces reshaping our industry – from the future of technology, regulation and market structure to the day-to-day realities of cash management, market liquidity and the role of derivatives; all against mounting geopolitical and macroeconomic pressures.

Are you attending the conference? Say hello to Tony Venditti, Head of Equity Finance, and Frank Giusti, Director of Equity Finance, at South Street Securities.

Click here to view the agenda for the ISLA Americas 2nd Annual Securities Finance & Collateral Management Conference. 

Click here to register for the ISLA Americas 2nd Annual Securities Finance & Collateral Management Conference.

About Tony Venditti

Mr. Venditti joined South Street Securities in February 2020 as a Managing Director and Senior Executive. He joined South Street Securities with over 35 years of experience in the securities industry. As Head of Equity Finance , Mr. Venditti has spearheaded the expansion of South Street Securities into the U.S Equity Finance and Trading business. He is also responsible for seeking out strategic partnerships and/or acquisitions.

Prior to joining South Street Securities, Mr. Venditti spent 10 years with Nomura Securities from 1995-2005. In his time at Nomura, he held various roles such as the Global Head of Equity Finance in London where he also oversaw the Structured Equity Group. He also served as Nomura’s Co-Head of U.S. Equity Sales business in New York. In 2006, Mr. Venditti joined Paloma Securities as President and was responsible for expanding the firms’ sales, trading and financing capabilities. He remained at Paloma Securities until BMO acquired the Global Securities Lending business in 2009. Mr. Venditti was the Co-Head of BMO Global Prime Finance and Delta 1 trading business. His group was responsible for growing all aspects of BMO’s financing and trading capabilities globally until he departed in 2019. In addition, Mr. Venditti was an active Board Member of the Canadian Securities Lending Association from 2012 to 2019.

Mr. Venditti attended the College of Staten Island. In 2024, he was honored with the Lifetime Achievement Award by Securities Finance Times for his outstanding contributions to the securities finance industry across his career. He is also FINRA Series 7, 24 and 63 registered.

About Frank Giusti

Mr. Giusti joined South Street Securities in 2020 as Director of Equity Finance. He has been building out the Securities Lending Match Book, focusing on specials and equity funding. Prior to joining South Street Securities, he gained experience managing the specials book at Societe Generale.

Mr. Giusti began his professional career at UBS supporting their equity derivative desk. He was then introduced to the stock loan/equity finance space during his five years at Newedge USA LLC. In 2013, Frank was hired as Vice President of the Securities Lending desk at Mitsubishi UFJ Securities, now known as MUFG Securities. He was responsible for growing and maintaining both the firm's Securities Lending and Repo Tri Party books. For his final two years at Mitsubishi, Mr. Giusti worked out of London in their EMEA office. While in London, he not only managed the firm's Securities Lending and Equity Finance Books, but also provided coverage on US Treasuries and French and German Government Bonds.

Mr. Giusti graduated from Fairfield University in 2006 with a Bachelor of Science in Finance. He is also FINRA Series 7, 55 and 63 registered.

About South Street Securities LLC

South Street Securities LLC is a leading independent provider of specialized financing, servicing capital markets institutional asset managers (including traditional and hedge fund managers), real estate investment trusts ("REITs"), tri-party investors, mortgage lenders, midsize and middle market securities broker dealers, and corporate and government issuers. South Street Securities is a FICC Tier 1 member and a member of several major regulatory agencies, including FINRA, SIPC, OCC and NFA. The company operates from its New York headquarters and specializes in the following services: Repo dealer financing US Treasuries, Agency MBS, TBA Mortgage Origination Hedging, Equity Finance and Algorithmic Trade Execution.

About ISLA Americas

Incorporated in May 2024, ISLA Americas is a non-profit industry association, presently representing the common interests of securities lending firms in the Americas region, namely institutional investors, asset managers, and custodial banks. ISLA Americas is an affiliate entity of the long-established International Securities Lending Association (ISLA) – the leading trade association for securities financing market participants across Europe, Middle East, and Africa (focusing primarily on securities lending and borrowing (SLB) activity). 

ISLA Americas works with the industry, as well as national, regional, and global regulators and policy makers, to advocate for, amongst other things, the importance of securities lending to the broader financial services industry. 

Over time, ISLA Americas and ISLA will continue to serve their respective regional members while also supporting firms with global operations that are members of both associations. Operating under the same brand, both associations work together to provide a more cohesive output, reflecting multi-jurisdictional operating models and addressing the growing demand for a unified global advocacy voice across regions.