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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.

April 19, 2022

Guggenheim Partners Accepting Applications for Fourth Network for Social Innovation Cohort

Guggenheim Partners is now accepting applications for the fourth cohort of the Network for Social Innovation (NSI), the firm’s venture philanthropy program designed to identify and support the growth of visionary non-profit organizations tackling some of the most challenging issues of our time.

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April 18, 2022

Eric Mandl on Benefits of M&A for Shareholders and Consumers

Senior Managing Director Eric Mandl, Guggenheim Securities, discusses impacts and benefits of  takeover approaches on CNBC's TechCheck.

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April 05, 2022

Guggenheim Securities Expands Technology Investment Banking Practice with the Addition of Jeff Bistrong

Guggenheim Securities, the investment banking and capital markets division of Guggenheim Partners, announced today that Jeff Bistrong has joined the firm as a Senior Managing Director in its Technology Investment Banking practice focusing on advising software and software-related technology companies. 

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