Diamond Hill Investment Group, Inc. (DHIL) reported a total revenue of $147.1 million for the fiscal year ending December 31, 2025, a decrease of 3% from $151.1 million in 2024. The decline in revenue was primarily attributed to a reduction in the average advisory fee rate, which fell from 0.45% in 2024 to 0.44% in 2025, despite a slight increase in average assets under management (AUM) and assets under advisement (AUA). The company’s net income attributable to common shareholders increased by 13% to $48.8 million, or $17.91 per diluted share, compared to $43.2 million, or $15.66 per diluted share, in the previous year.
In terms of AUM, DHIL reported a total of $29.4 billion as of December 31, 2025, down from $30.0 billion in 2024. The decrease was driven by net cash outflows of $2.7 billion, primarily from the company's proprietary funds and separately managed accounts, which experienced significant outflows due to client rebalancing and asset allocation shifts. However, the company saw a net market appreciation of $2.1 billion, which partially offset the outflows. The total AUA also decreased to $1.6 billion from $1.9 billion in the prior year.
Strategically, DHIL is in the process of merging with First Eagle Investment Management, LLC, a transaction expected to close in the second quarter of 2026. Under the terms of the merger agreement, each share of DHIL will be converted into $175 in cash. The merger is subject to customary closing conditions, including shareholder approval and client consents representing at least 78% of the company’s revenue run-rate. The merger is anticipated to enhance DHIL's operational capabilities and market presence, although it also imposes restrictions on the company’s operations until completion.
Operationally, DHIL's employee headcount decreased to 120 as of December 31, 2025, down from 127 in 2024. The company emphasizes a culture of client alignment and investment excellence, with a focus on long-term outcomes. The average employee tenure is reported at 9.3 years, indicating a stable workforce. The company also maintains a commitment to diversity, with 50% of its board of directors and approximately 31% of its employees being female.
Looking ahead, DHIL's management remains cautious about the impact of market conditions on AUM and revenue, particularly given the ongoing trend of client preference for lower-fee investment products. The company is focused on enhancing its investment strategies and client offerings to attract long-term investors, while also navigating the challenges posed by the competitive landscape in the investment management industry.
About DIAMOND HILL INVESTMENT GROUP INC
Diamond Hill Investment Group, Inc. is an asset management firm providing long-term, valuation-driven investment strategies across equity, fixed income, and alternative asset classes. Through its subsidiary, it manages mutual funds, private funds, and managed accounts, serving institutional and individual investors. The company emphasizes client alignment, research-driven active management, and a culture of trust and ownership to deliver competitive investment outcomes.
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