DIAMOND HILL INVESTMENT GROUP INC (: DHIL)

Diamond Hill Investment Group, Inc. provides investment advisory and fund administration services through its wholly owned subsidiary Diamond Hill Capital Management, Inc. The subsidiary is a registered investment adviser under the Investment Advisers Act and serves as adviser and administrator for the Diamond Hill Funds which comprise open end mutual funds, an exchange traded fund and a closed end registered investment company. In addition to the proprietary funds DHCM offers separately managed accounts, collective investment trusts, other pooled vehicles and model delivery programs. As of December 31 2025 the firm reported assets under management of $29.382 billion and assets under advisement of $1.58 billion resulting in a combined total of $30.962 billion. The company was organized in 1990 as an Ohio corporation and operates as a fiduciary under the Employee Retirement Income Security Act.

The company earns investment advisory fee income from managing client accounts under advisory and sub advisory agreements. Fees differ according to the investment strategy the account size and the servicing requirements. Revenue also includes fund administration fees that cover portfolio and regulatory compliance treasury and financial oversight oversight of back office service providers and general business management of the proprietary funds. Additionally the firm receives compensation for model delivery programs where sponsors pay a predetermined rate based on assets under advisement. In 2025 approximately seventy percent of total revenue was derived from advisory and administration agreements with the proprietary funds. The firm's results are influenced by net cash inflows or outflows market appreciation or depreciation and the changing composition of its assets under management.

The investment management industry is highly competitive with many firms offering passive index strategies private equity and credit products and a wide range of investment alternatives. Diamond Hill Investment Group, Inc. distinguishes itself through a valuation disciplined active portfolio management approach that relies on fundamental bottom up research. The firm adheres to a long term business owner mindset and places client interests first through its client alignment philosophy. Capacity discipline is applied to protect portfolio managers ability to generate excess returns. Personal investment by portfolio managers in the strategies they manage aligns their incentives with client outcomes. Compensation for portfolio managers is linked to long term investment results in client portfolios. The company follows a fee philosophy that seeks a fair sharing of economics among clients employees and shareholders. Core cultural values of curiosity ownership trust and respect shape the workplace and reinforce the fiduciary responsibility to serve clients first.

The company's distribution team concentrates on asset allocators that maintain centralized research teams including institutional consulting firms wirehouses banks independent broker dealers and independent registered investment advisory firms. It also pursues relationships with plan sponsors that have their own investment research teams. These asset allocators tend to be sophisticated buyers who conduct deep research and pair the firm's strategies with complementary strategies to meet holistic client objectives. The firm intends to attract and retain investors who share its long term orientation and understand the outcomes it can deliver. To support these efforts Diamond Hill Investment Group, Inc. devotes resources to content led marketing and sales enablement initiatives and utilizes distribution technology and business intelligence to analyze trends and engagement patterns.