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 2, 2011 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 ---------- -------------------------------------------- The following is a summary of assets under management as of April 30, 2011 (in millions): By Investment Vehicle --------------------- Separate Accounts $ 3,702 Mutual Funds 4,508 Sub-Advised Mutual Funds 1,111 Private Investment Funds 210 -------- Total $ 9,531 By Investment Strategy ---------------------- Small Cap $ 1,029 Small-Mid Cap 330 Select 456 Large Cap 5,227 Long-Short 2,309 Strategic Income 180 -------- Total $ 9,531 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 2, 2011 By: /s/ James F. Laird ------------------------------- James F. Laird, Chief Financial Officer and Secretary