Great Lakes Advisors, which specializes in domestic equity and fixed income investment strategies for institutional clients, has been merged into Wintrust’s existing asset management business, Wintrust Capital Management.

Going forward, the combined firm will conduct its asset management business as "Great Lakes Advisors, LLC, a Wintrust Wealth Management Company" and will have assets under management of nearly $4.5bn.

Wintrust president and CEO Edward Wehmer said with the acquisition of Great Lakes Advisors, they establish themselves as a major player in the institutional investor market in the Midwest."

Tom Kiley, previously a managing director of Great Lakes Advisors who will serve as CEO of the combined company,

The full terms of the transaction were not being disclosed by the parties.