Diamond Hill Capital Management Inc.
Diamond Hill Capital Management, Inc., headquartered in Columbus, Ohio, is an SEC-registered asset management and investment advisory firm founded in 1988. It is a wholly owned subsidiary of the publicly traded Diamond Hill Investment Group, Inc. (Nasdaq: DHIL). The firm offers a broad suite of equity and fixed income investment strategies to institutional and individual investors, primarily through mutual funds, separately managed accounts, collective investment trusts, and sub-advised funds. The firm employs a research-driven, actively managed investment approach and, as of 2025, continues to focus on delivering long-term value for its clients. Diamond Hill typically employs between 100 and 200 people, positioning it as a midsized boutique in the asset management space.
Investment Strategy
Diamond Hill employs a bottom-up, research-intensive, and value-oriented investment strategy focused on the long-term compounding of client capital. The firm's philosophy centers on investing with an 'ownership mentality,' performing deep due diligence, and maintaining discipline in investing at a discount to intrinsic value. Its active investment approach spans multiple equity and fixed income strategies, including US and non-US common stocks, investment-grade and non-investment-grade corporate bonds, asset- and mortgage-backed securities, and convertible securities. The firm is willing to close strategies to new investors when necessary to protect client outcomes and portfolio manager flexibility. Compensation is tied to five-year investment results, reinforcing focus on long-term performance and alignment with client interests.
Top Holdings
Equity Positions (177)
| Ticker | Security | Weight | Market Value | Shares | Avg Cost | Price | Change (QoQ) |
|---|---|---|---|---|---|---|---|
A AIG | American International Group, | 4.57% | $993.9M | 11,612,075 | $38.71 | $85.59 | -$78.4M |
A ABT | Abbott Laboratories | 3.70% | $804.2M | 5,912,808 | $60.70 | $136.01 | -$1.5M |
B BRK-B | Berkshire Hathaway, Inc. (Cl B | 3.51% | $763.6M | 1,571,929 | $342.42 | $485.77 | -$54.1M |
T TXN | Texas Instruments, Inc. | 3.40% | $739.6M | 3,562,295 | $162.12 | $207.62 | +$121.3M |
C COF | Capital One Financial Corp. | 2.85% | $619.3M | 2,910,758 | $188.28 | $212.76 | +$237.4M |
Industry Allocation
Investment Team (24)
| Name | Role | Location | |
|---|---|---|---|
 | Portfolio Manager | United States | |
 | Analyst | New York, NY , United States | |
A Arthur Cheng | Portfolio Manager | Los Angeles, CA , United States | |
 | Research Analyst | Columbus, OH , United States | |
D Dana Wainer | Accounting and Business Analyst | Columbus, OH , United States | |
 | Managing Director - Information Technology | Columbus, OH , United States | |
K Krishna Mohanraj | Portfolio Manager | Groveport, OH , United States | |
K Kristen Christman | Senior Product Analyst | Columbus, OH , United States | |
 | Portfolio Manager | Columbus, OH , United States | |
P Patrick Trencansky | Senior Performance Analyst | Jacksonville, FL , United States |