    <SEC-DOCUMENT>0001015328-22-000171-index.html : 20221018
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    <ACCEPTANCE-DATETIME>20221018164357
    ACCESSION NUMBER:		0001015328-22-000171
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		37
    CONFORMED PERIOD OF REPORT:	20221018
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20221018
    DATE AS OF CHANGE:		20221018

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			WINTRUST FINANCIAL CORP
    		CENTRAL INDEX KEY:			0001015328
    		STANDARD INDUSTRIAL CLASSIFICATION:	STATE COMMERCIAL BANKS [6022]
    		IRS NUMBER:				363873352
    		STATE OF INCORPORATION:			IL
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-35077
    		FILM NUMBER:		221316347

    	BUSINESS ADDRESS:
    		STREET 1:		9700 WEST HIGGINS ROAD, 8TH FLOOR
    		CITY:			ROSEMONT
    		STATE:			IL
    		ZIP:			60018
    		BUSINESS PHONE:		8479399000

    	MAIL ADDRESS:
    		STREET 1:		9700 WEST HIGGINS ROAD, 8TH FLOOR
    		CITY:			ROSEMONT
    		STATE:			IL
    		ZIP:			60018
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