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January 13, 2015

Guggenheim Securities Hires Onnie Mayshak to Expand Boston Office

NEW YORK – Guggenheim Securities, the investment banking and capital markets division of Guggenheim Partners, today announced that W. Onnie Mayshak has joined its Boston office as a director in equity sales.

“As we grow our equity research platform and origination product offering, our goal is to expand the breadth and depth of our distribution capabilities appropriately to institutional clients,” said Matthew Johnson, Head of Equities at Guggenheim Securities. “Onnie’s experience and expertise make him uniquely qualified to help us bring a differentiated outcome to our Boston clients.”

Mr. Mayshak’s hiring is the latest move in Guggenheim’s investment in building out its equities platform and institutional client coverage. Mr. Mayshak joins Guggenheim from Ned Davis Research, where he served as director of the institutional sales group, working with asset managers throughout Boston, Philadelphia, and Baltimore. Prior to that, he spent several years at Susquehanna International Group.

He graduated with a B.A. from Harvard University.


About Guggenheim Partners

Guggenheim Partners is a global investment and advisory firm with more than $220 billion in assets under management. Across our three primary businesses of investment management, investment banking, and insurance services, we have a track record of delivering results through innovative solutions. With more than 2,500 professionals based in more than 25 offices around the world, our commitment is to advance the strategic interests of our clients and to deliver long-term results with excellence and integrity.



July 29, 2021

Seth Sigman Joins Guggenheim Securities as Consumer Internet and eCommerce Analyst

Guggenheim Securities, the investment banking and capital markets division of Guggenheim Partners, announced today that Seth Sigman has joined the firm as a Managing Director and Research Analyst covering the consumer internet sector with a focus on e-commerce retailers and other digital first consumer product and service companies.

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July 22, 2021

Jonathan Pritti and Andrew Redmond to Join Guggenheim Securities Healthcare Investment Banking

Guggenheim Securities announced today that Jonathan Pritti will join the firm as a Senior Managing Director and Andrew Redmond will join the firm as a Managing Director in its healthcare investment banking practice and will focus on covering healthcare-focused information technology companies.  Messrs. Pritti and Redmond will commence work at Guggenheim in September and will be based out of its New York office.

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July 16, 2021

Guggenheim Securities Wins GlobalCapital’s Esoteric ABS Bank of the Year Award

NEW YORK, NY – Guggenheim Securities, the investment banking and capital markets division of Guggenheim Partners, announced today it has been named the “Esoteric ABS Bank of the Year 2020” by capital markets publication GlobalCapital. This recognition follows Guggenheim’s win as “Best Securitization Bank of the Year” award for 2019 and “Most Innovative Securitization Bank of the Year” award for 2018.

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