Bank Wintrust Bank, National Association
Wintrust Bank, National Association is a federally insured bank based in Chicago, Illinois.
- Type
- Bank
- Charter
- National commercial bank (OCC-chartered)
- Primary regulator
- OCC
- Established
- September 14, 1994
- Headquarters
- Chicago, IL
- FDIC certificate #
- 33935
- Fed RSSD ID
- 2239288
- Holding company
- Wintrust Financial Corp
- Website
- www.wintrustbank.com
Source: U.S. FDIC BankFind & NCUA 5300 Call Report (public data). Data sources · Data as of Q1 2026
Branches by state
Wintrust Bank, National Association operates 37 branch locations in Illinois. Select a state to drill down to its towns and individual branches.
Ownership
Wintrust Bank, National Association is owned by Wintrust Financial Corp, which also owns 8 other institutions. See the full ownership & merger history.
Wintrust Bank, National Association financial summary
Other banks in Illinois
Federally insured banks headquartered in Illinois, by total assets.
- BMO Bank National Association $251.96B
- The Northern Trust Company $173.84B
- CIBC Bank USA $65.13B
- Busey Bank $18.01B
- Byline Bank $9.89B
- Lake Forest Bank & Trust Company, National Association $9B
- First American Bank $8.22B
- First Mid Bank & Trust, National Association $8.2B
Similar-size banks
Institutions close to Wintrust Bank, National Association’s $9.28B in assets.
- Union Bank and Trust Company $9.19B
- Woodforest National Bank $9.18B
- Amalgamated Bank $9.17B
- Pinnacle Bank $9.12B
- 1st Source Bank $9.11B
- Stock Yards Bank & Trust Company $9.46B
Also owned by Wintrust Financial Corp
- Lake Forest Bank & Trust Company, National Association $9B
- Northbrook Bank and Trust Company, National Association $6.81B
- Hinsdale Bank & Trust Company, National Association $6.5B
- Barrington Bank & Trust Company, National Association $4.93B
- Town Bank, National Association $4.52B
- Wheaton Bank & Trust, National Association $4.46B
- St. Charles Bank & Trust Company, National Association $3.54B
- Macatawa Bank, National Association $3.48B