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): October 4, 2010 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 September 30, 2010, preliminary assets under management totaled $7.080 billion. Following is a summary as of September 30, 2010 (in millions): Separate Accounts $ 2,851 Mutual Funds 4,026 Private Investment Funds 203 -------- Total $ 7,080 Investment Strategy ------------------- Small Cap $ 803 Small-Mid Cap 167 Large Cap 3,296 Select 398 Long-Short 2,235 Strategic and Fixed Income 181 -------- Total $ 7,080 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: October 4, 2010 By: /s/ James F. Laird ------------------------------- James F. Laird, Chief Financial Officer and Secretary