<SEC-DOCUMENT>0001015328-17-000122-index.html : 20170530
<SEC-HEADER>0001015328-17-000122.hdr.sgml : 20170529
<ACCEPTANCE-DATETIME>20170530161219
ACCESSION NUMBER:		0001015328-17-000122
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170525
FILED AS OF DATE:		20170530
DATE AS OF CHANGE:		20170530

ISSUER:		

	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

	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

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DYKSTRA DAVID A
		CENTRAL INDEX KEY:			0001244276

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35077
		FILM NUMBER:		17877539
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_149617512387001.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wf-form4_149617512387001.html
Document 1 - RAW XML: wf-form4_149617512387001.xml
</DOCUMENT> </SEC-DOCUMENT>