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 5, 2011

                       Diamond Hill Investment Group, Inc.
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             (Exact Name of Registrant as Specified in its Charter)

                                      Ohio
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                 (State or Other Jurisdiction of Incorporation)

             000-24498                              65-0190407
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      (Commission File Number)         (I.R.S. Employer Identification No.)

      325 John H. McConnell Blvd, Suite 200, Columbus, Ohio         43215
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      (Address of Principal Executive Offices)                    (Zip Code)

Registrant's Telephone Number, Including Area Code:   (614) 255-3333

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



Item 8.01.    Other Events
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     The following is a summary of assets under management as of June 30,
2011 (in millions):


	By Investment Vehicle
	---------------------

Separate Accounts	 	$  3,533
Mutual Funds 			   4,385
Sub-Advised Mutual Funds	   1,073
Private Investment Funds	     195
                                --------
Total			       	$  9,186

	By Investment Strategy
	----------------------
Small Cap			$    980
Small-Mid Cap		             318
Select				     414
Large Cap 			   5,029
Long-Short		           2,261
Strategic Income		     184
				--------
Total			        $  9,186



                                    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.


                                        DIAMOND HILL INVESTMENT GROUP, INC.


Date: July 5, 2011	                    By: /s/ James F. Laird
                                            -------------------------------
                                            James F. Laird, Chief Financial
                                            Officer and Secretary