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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

Current Report Pursuant to Section 13 or 15(d) of
The Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): July 29, 2009

WINTRUST FINANCIAL CORPORATION

(Exact name of registrant as specified in its charter)


Illinois	0-21923	36-3873352
(State or other jurisdiction of Incorporation)	(Commission File Number)	(I.R.S. Employer Identification No.)

727 North Bank Lane Lake Forest, Illinois (Address of principal executive offices)		60045 (Zip Code)

Registrant’s telephone number, including area code (847) 615-4096

Not Applicable
(Former name or former address, if changed since last year)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

	o		Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

	o		Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

	o		Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

	o		Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Item 2.02. Results of Operations and Financial Condition.

The information in this Current Report is being furnished and shall not be deemed “filed” for the purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liabilities of that Section. The information in this Current Report shall not be incorporated by reference into any registration statement or other document pursuant to the Securities Act of 1933, as amended.

On July 29, 2009, Wintrust Financial Corporation (the “Company”) announced earnings for the second quarter of 2009. A copy of the press release relating to the Company’s earnings results is attached hereto as Exhibit 99.1. Certain supplemental information relating to non-GAAP financial measures reported in the attached press release is included on page 13 of Exhibit 99.1.

Item 9.01. Financial Statements and Exhibits

(d) Exhibits

Exhibit


99.1		Second Quarter 2009 Earnings Release dated July 29, 2009.

Signature

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.


	WINTRUST FINANCIAL CORPORATION (Registrant)
	By:	/s/ David L. Stoehr
		David L. Stoehr
		Executive Vice President and Chief Financial Officer

Date: July 29, 2009

INDEX TO EXHIBITS

Exhibit


99.1		Second Quarter 2009 Earnings Release dated July 29, 2009.