Under the Securities and Exchange Act of 1934 (Amendment No.) Diamond Hill Investment Group Inc. (Name of Issuer) Common stock (Title of Class of Securities) 25264R207 (CUSIP Number) 04/11/2007 (Date of Event) Check the appropriate box to designate the rule pursuant to which this schedule is filed: [X] Rule 13d-1 (b) [ ] Rule 13d-1 (c) [ ] Rule 13d-1 (d) *The remainder of this cover page shall be filled out for a reporting person's initial filing of this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter the disclosures provided in a prior cover page. The information required in the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act, but shall be subject to all other provisions of the Act (however, see the Notes.) 1 NAME OF REPORTING PERSON S.S or I.R.S. IDENTIFICATION NO. OF ABOVE PERSON Ascend Advisory Group, LLC TAX # 43-1995655 2 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* A B x 3 SEC USE ONLY 4 CITIZENSHIP OR PLACE OF ORGANIZATION USA, Ohio 5 SOLE VOTING POWER 0 6 SHARED VOTING POWER 0 7 SOLE DISPOSITIVE POWER 0 8 SHARED DISPOSITIVE POWER 325,428 9 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 325,428 10 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* N/A 11 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9 15.3% 12 TYPE OF REPORTING PERSON* IA Item 1. (a) Name of Issuer Diamond Hill Investment Group Inc. (b) Address of Issuer's Principal Executive Offices 325 John H McConnell Boulevard, Suite 200 Columbus, OH 43215 Item 2. (a) Name of Person Filing Ascend Advisory Group, LLC (b) Address of Principal Business Office or, if none, Residence 7600 Olentangy River Rd, Suite 200 Columbus, OH 43235 (c) Citizenship USA (d) Title of Class of Securities Common stock (e) CUSIP Number 25264R207 Item 3. If this statement is filed pursuant to Rule 13d-l(b), or 13d-2(b), check whether the person filing is a: (a) [ ] Broker or Dealer registered under Section 15 of the Act (b) [ ] Bank as defined in section 3(a)(6) of the Act (c) [ ] Insurance Company as defined in section 3(a)(19) of the act (d) [ ] Investment Company registered under section 8 of the Investment Company Act (e) [X] Investment Adviser registered under section 203 of the Investment Advisers Act of 1940 (f) [ ] Employee Benefit Plan, Pension Fund which is subject to the provisions of the Employee Retirement Income Security Act of 1974 or Endowment Fund; see 240.13d-l(b)(l)(ii)(F) (g) [ ] Parent Holding Company, in accordance with 240.13d-l(b)(ii)(G) (Note: See Item 7) (h) [ ] Group, in accordance with 240.13d-l(b)(l)(ii)(H) Item 4. Ownership (a) Amount Beneficially Owned 325,428 (b) Percent of Class 15.3% (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote 0 (ii) shared power to vote or to direct the vote 0 (iii) sole power to dispose or to direct the disposition of 0 (iv) shared power to dispose or to direct the disposition of 325,428 Item 5. [ ] Ownership of Five Percent or Less of a Class. Item 6. [ ] Ownership of More than Five Percent on Behalf of Another Person Item 7. [ ] Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company Item 8. [ ] Identification and Classification of Members of the Group Item 9. [ ] Notice of Dissolution of Group Item 10.[ ] Certification After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct. Date 4/11/07 Signature /s/Anthony J Reilly Anthony J Reilly Partner