Diamond Hill Investment Group Inc

Diamond Hill Investment Group, Inc. provides investment advisory and fund administration services in the United States through its subsidiary, Diamond Hill Capital Management, Inc. Its offerings include separately managed accounts, collective investment trusts, and other pooled vehicles such as sub-advised funds and model delivery programs. The company also provides fund administration services covering portfolio and regulatory compliance, treasury and financial oversight, and general business management and governance of the proprietary funds, along with oversight of back-office service providers including the custodian, fund accountant, and transfer agent. Incorporated in 1990 and based in Columbus, Ohio, the company was taken private as of April 22, 2026.