<SEC-DOCUMENT>0001015328-18-000100.txt : 20180403
<SEC-HEADER>0001015328-18-000100.hdr.sgml : 20180403
<ACCEPTANCE-DATETIME>20180403171012
ACCESSION NUMBER:		0001015328-18-000100
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20150521
FILED AS OF DATE:		20180403
DATE AS OF CHANGE:		20180403

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			GLABE MARLA F
		CENTRAL INDEX KEY:			0001642693

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35077
		FILM NUMBER:		18734438

	MAIL ADDRESS:	
		STREET 1:		WINTRUST FINANCIAL CORPORATION
		STREET 2:		9700 W HIGGINS RD 8TH FLOOR
		CITY:			ROSEMONT
		STATE:			IL
		ZIP:			60018

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
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_152278979911380.xml
<DESCRIPTION>FORM 4
<TEXT>
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        <issuerTradingSymbol>WTFC</issuerTradingSymbol>
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            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60018</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
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            <isOfficer>0</isOfficer>
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    <derivativeTable></derivativeTable>

    <footnotes>
        <footnote id="F1">Two (2) shares of Common Stock issued to Ms. Glabe via dividend reinvestments, before she commenced service as a director of the Company on May 21, 2015, inadvertently were not previously reported.</footnote>
        <footnote id="F2">The price reported is the weighted average price. The shares were purchased in multiple dividend reinvestment transactions at prices ranging from $33.75 to $52.48. The reporting person undertakes to provide to the SEC, the issuer and any security holder full information regarding the number of shares and the prices at which the shares were sold.</footnote>
        <footnote id="F3">The Issuer inadvertently did not report 40 shares owned by Reporting Person that were purchased through dividend reinvestments.</footnote>
        <footnote id="F4">Shares earned for the first quarter of 2018 for services as a Director of the Company in accordance with the Director's Deferred Fee and Stock Plan approved by the Shareholders.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/Kathleen M. Boege, Attorney-in-fact</signatureName>
        <signatureDate>2018-04-03</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
