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):

                                 May 9, 2008

                       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 2.02   Results of Operations and Financial Condition
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Registrant has reported its results of operations for the fiscal quarter
ended March 31, 2008, as described in Registrant's press release dated
May 9, 2008, a copy of which is filed herewith as Exhibit 99.1 and
incorporated herein by reference.

Exhibit No.   Document
-----------   --------

99.1          Press release issued by the Registrant dated May 9, 2008.



                                    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: May 9, 2008                           By: /s/ James F. Laird
                                            -------------------------------
                                            James F. Laird, Chief Financial
                                             Officer and Secretary