Diamond Hill Capital Management Inc is an SEC registered investment adviser organized as a corporation with a primary office location in Columbus, OH. Its latest Form ADV filing, dated February 27, 2026, reports $29.4B in regulatory assets under management, 120 employees, and 3,192 accounts.
Assets Under Management
$29.4B
Employees
120
Offices
--
Total Clients
3,192
Primary office
COLUMBUS, OH
325 JOHN H. MCCONNELL BLVD., SUITE 200, COLUMBUS, OH, United States
Portfolio management for individuals and small businesses
Portfolio management for investment companies
Fee models offered
2 types reported
Asset based fees
Performance-based fees
Sources checked May 13, 2026
Client Coverage Demographics
Top client segmentOther Advisers represent 96.6% of total clients.
Top client categories% of clientsClients
1
Other Advisers
96.6%
3,083
2
Charitable
0.9%
29
3
Investment Cos.
0.7%
21
4
Pension Plans
0.5%
15
5
Corporations
0.4%
14
Additional categories (<0.1%)
Insurance Cos.<5 clients
Regulatory Assets Under Management Breakdown
Total regulatory assets under management$29.4Bas of May 22, 2026
Discretionary100.0%
$29.4B
100% of total RAUM100.0%
Non-discretionary0.0%
$0
0% of total RAUM0.0%
All regulatory assets under management are discretionary.
Assets under management Growth by Quarter
Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.
Total AUM$29.4B
Total Accounts3,192
10Y AUM Change+$10.0B (+51.6%)
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Employee Growth by Quarter
Quarterly points use the latest ADV filing or SEC roster snapshot available in each quarter.
Total Employees120
Clients per Employee27:1
10Y Employee Change+8 (+7.1%)
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Historical AUM and employee figures reflect available SEC Form ADV filings under this CRD. Filing gaps may reflect registration status changes, dormant periods, state registration periods, firm restructuring, or other reporting changes. Rialytix does not interpolate missing periods.
* Metrics are based on the latest available data, including Form ADV filings, brochures, and relationship summaries pulled from the SEC IAPD, and may be subject to change. Learn what is included in the Rialytix data. Please refer to the firm's official disclosures for the most accurate information using their CRD number. This is not investment advice.