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): June 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 May 31, 2011 (in millions): 	By Investment Vehicle 	--------------------- Separate Accounts	 	$3,587 Mutual Funds 			 4,454 Sub-Advised Mutual Funds	 1,103 Private Investment Funds	 204 -------- Total			 	$9,348 	By Investment Strategy 	---------------------- Small Cap			$1,011 Small-Mid Cap		 327 Select				 422 Large Cap 			 5,129 Long-Short		 2,276 Strategic Income		 183 				-------- Total			 $9,348 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: June 2, 2011	 By: /s/ James F. Laird ------------------------------- James F. Laird, Chief Financial Officer and Secretary