Company Description
Diamond Hill Investment Group, Inc., through its subsidiary, Diamond Hill Capital Management, Inc., provides investment advisory and fund administration services in the United States.
It offers separately managed accounts; collective investment trusts; and other pooled vehicles, including sub-advised funds and model delivery programs.
The company also provides fund administration services comprising portfolio and regulatory compliance, treasury and financial oversight, and general business management and governance of the proprietary funds, as well as oversight of back-office service providers, which include the custodian, fund accountant, and transfer agent.
Diamond Hill Investment Group, Inc. was incorporated in 1990 and is based in Columbus, Ohio.
| Country | United States |
| Founded | 1990 |
| IPO Date | Oct 10, 1995 |
| Industry | Asset Management |
| Sector | Financials |
| Employees | 127 |
| CEO | Heather Brilliant |
Contact Details
Address: 325 John H. McConnell Boulevard, Suite 200 Columbus, Ohio 43215 United States | |
| Phone | 614 255 3333 |
| Website | diamond-hill.com |
Stock Details
| Ticker Symbol | DHIL |
| Exchange | NASDAQ |
| Stock Type | Common Stock |
| Fiscal Year | January - December |
| Reporting Currency | USD |
| CIK Code | 0000909108 |
| CUSIP Number | 25264R207 |
| ISIN Number | US25264R2076 |
| Employer ID | 65-0190407 |
| SIC Code | 6282 |
Key Executives
| Name | Position |
|---|---|
| Heather Elizabeth Brilliant C.F.A. | Chief Executive Officer and Director |
| Jo Ann Quinif | President and Chief Client Officer |
| Thomas Edward Line CPA | Chief Financial Officer and Treasurer |
| Gary Richard Young | MD of Administration and Chief Compliance Officer |
| Lara Hoffmans C.F.A. | Managing Director of Marketing |
| Charles S. Bath C.F.A. | Managing Director - Emeritus |
| Matthew J. Stadelman C.F.A. | Managing Director of Institutional Relationships and Portfolio Specialist |
| Jeffrey J. Cook CPA | Controller |
| William P. Zox CFA, J.D. | Portfolio Manager and Investment Analyst |
| Laurie Snyder Riebel CFA | Relationship Management Director |
Latest SEC Filings
| Date | Type | Title |
|---|---|---|
| Dec 18, 2025 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| Dec 11, 2025 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| Dec 11, 2025 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| Dec 11, 2025 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| Dec 11, 2025 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| Dec 11, 2025 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| Dec 11, 2025 | DEFA14A | Additional definitive proxy soliciting materials and Rule 14(a)(12) material |
| Dec 11, 2025 | 8-K | Current Report |
| Dec 2, 2025 | 8-K | Current Report |
| Nov 4, 2025 | 8-K | Current Report |