    <SEC-DOCUMENT>0001104659-23-042695-index.html : 20230406
    <SEC-HEADER>0001104659-23-042695.hdr.sgml : 20230406
    <ACCEPTANCE-DATETIME>20230406161232
    ACCESSION NUMBER:		0001104659-23-042695
    CONFORMED SUBMISSION TYPE:	ARS
    PUBLIC DOCUMENT COUNT:		1
    CONFORMED PERIOD OF REPORT:	20221231
    FILED AS OF DATE:		20230406
    DATE AS OF CHANGE:		20230406
    EFFECTIVENESS DATE:		20230406

    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:		ARS
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-35077
    		FILM NUMBER:		23806305

    	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
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>ARS
    <SEQUENCE>1
    <FILENAME>tm238101d4_ars.pdf
    <DESCRIPTION>ARS
    <TEXT>
    Document 1 - file: tm238101d4_ars.pdf

    </DOCUMENT>
    </SEC-DOCUMENT>