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): January 4, 2008 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 December 31, 2007, preliminary assets under management totaled $4.405 billion. Following is a summary as of December 31, 2007 (in millions): Equity Fixed Income Total Individually Managed Accounts $ 878 $ 121 $ 999 Mutual Funds (including sub-advised) 2,762 149 2,911 Private Investment Funds 495 0 495 ------- ------ ------- Total $ 4,135 $ 270 $ 4,405 Investment Strategy ------------------- Small and Small-Mid Cap $ 598 Large Cap and Select 1,033 Long-Short 2,509 Strategic and Fixed Income 265 -------- Total 4,405 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: January 4, 2008 By: /s/ James F. Laird ------------------------------- James F. Laird, Chief Financial Officer and Secretary