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 4, 2007 Diamond Hill Investment Group, Inc. ------------------------------------------------------------------------------ (Exact Name of Registrant as Specified in its Charter) Ohio ------------------------------------------------------------------------------ (State or Other Jurisdiction of Incorporation) 000-24498 65-0190407 ------------------------------------------------------------------------------ (Commission File Number) (I.R.S. Employer Identification No.) 325 John H. McConnell Blvd, Suite 200, Columbus, Ohio 43215 ------------------------------------------------------------------------------ (Address of Principal Executive Offices) (Zip Code) Registrant's Telephone Number, Including Area Code: (614) 255-3333 ------------------------------------------------------------------------------ (Former Name or Former Address, if Changed Since Last Report) Item 8.01. Other Events - ------- -------------------------------------------- As of August 31, 2007, preliminary assets under management totaled $4.310 billion. Following is a summary as of August 31, 2007 (in millions): Equity Fixed Income Total Individually Managed Accounts $ 860 $ 127 $ 987 Mutual Funds (including sub-advised) 2,660 169 2,829 Private Investment Funds 494 0 494 ------- ------ ------- Total $ 4,014 $ 296 $ 4,310 Investment Strategy ------------------- Small* and Small-Mid Cap $ 669 Large Cap and Select 991 Long-Short 2,358 Strategic and Fixed Income 292 -------- Total 4,310 * Effective September 1, 2007, Diamond Hill re-opened its small cap strategies to new investors. 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: September 4, 2007 By: /s/ James F. Laird ------------------------------- James F. Laird, Chief Financial Officer and Secretary