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): September 21, 2017

INVESTMENT TECHNOLOGY GROUP, INC.

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code:  (212) 588-4000

(Former Name or Former Address, if Changed Since Last Report)

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 (see General Instruction A.2. below):

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))

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company o

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. o

Item 8.01 Other Events.

On September 21, 2017, Investment Technology Group, Inc. (the “Company”) issued a press release announcing that it has signed a definitive agreement with Option Technology Solutions LLC (“OpTech”) to form Matrix Holding Group, LLC (“Matrix”), a newly established derivatives execution and technology business.  The venture is expected to launch in the first quarter of 2018, subject to receipt of required regulatory approvals and satisfaction of other customary closing conditions.  The Company will hold a minority stake in the partnership and will contribute the ITG Derivatives LLC broker-dealer (to be renamed Matrix Executions, LLC) and industry-leading, derivatives focused software and technology to create the Matrix Pro EMS/OMS.  The Company will provide details on the expected financial impact of the venture on its third quarter 2017 earnings call.

A copy of the press release is attached hereto as Exhibit 99.1.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

2

SIGNATURES

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.

Dated:  September 22, 2017

3