Company Story
1991 - Wintrust Financial Corporation was founded by Edward J. Wehmer.
1992 - Wintrust Financial Corporation acquired Hinsdale Bank & Trust Company.
1994 - Wintrust Financial Corporation acquired Libertyville Bank & Trust Company.
1997 - Wintrust Financial Corporation acquired Crystal Lake Bank & Trust Company.
2001 - Wintrust Financial Corporation acquired Northbrook Bank & Trust Company.
2004 - Wintrust Financial Corporation acquired Barrington Bank & Trust Company.
2007 - Wintrust Financial Corporation acquired Lake Forest Bank & Trust Company.
2012 - Wintrust Financial Corporation acquired Kankakee Federal Savings Loan Association.
2014 - Wintrust Financial Corporation acquired Oxford Bank & Trust Company.
2015 - Wintrust Financial Corporation acquired Wheaton Bank & Trust Company.
2016 - Wintrust Financial Corporation acquired First Chicago Bank & Trust Company.
2018 - Wintrust Financial Corporation acquired Delaware-based WSFS Financial Corporation's banking operations.