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): April 3, 2006 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.) 375 North Front Street, Suite 300, 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 March 31, 2006, preliminary assets under management totaled $2.181 billion. Following is a summary of assets under management as of March 31, 2006 (in millions): Equity Fixed Income Total Individually Managed Accounts $ 569.3 $ 141.7 $ 711.0 Mutual Funds 1,250.4 87.2 1,337.6 Private Investment Partnership 132.8 0.0 132.8 ------- ------ ------- Total 1,952.5 228.9 2,181.4 Investment Strategy ------------------- Small Cap $540.4 Small Cap (exluding Micro-Cap) 67.5 Small-Mid Cap 99.1 Large Cap 323.8 Select 200.2 Long/Short 698.8 Bank & Financial 20.2 Strategic Income 166.3 Other Fixed Income 59.8 Other 5.3 ------ Total 2,181.4 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: April 3, 2006 By: /s/ James F. Laird ------------------------------- James F. Laird, Chief Financial Officer and Secretary