Diamond Hill posts $28.7B in assets under management

Q: How are DHIL’s assets under management split by investment vehicle?

As of January 31, 2026, DHIL managed $18,246 million in proprietary funds, $4,924 million in separately managed accounts, $1,759 million in collective investment trusts, and $3,809 million in other pooled vehicles, totaling $28,738 million in assets.

Q: Which investment strategies represent the largest AUM for DHIL (DHIL)?

The largest strategies by assets under management are Large Cap at $13,447 million, Short Duration Securitized Bond at $5,224 million, and Core Fixed Income at $3,774 million, within the overall $28,738 million total as of January 31, 2026.

Q: What equity strategies does DHIL (DHIL) manage and their AUM sizes?

Equity strategies include Small Cap ($284 million), Small-Mid Cap ($1,409 million), Mid Cap ($905 million), Large Cap ($13,447 million), Large Cap Concentrated ($191 million), Select ($794 million), Long-Short ($2,293 million), International ($173 million), and Micro Cap ($51 million) as of January 31, 2026.

Q: What fixed income and securitized strategies does DHIL (DHIL) offer?

Fixed income and securitized strategies include Short Duration Securitized Bond at $5,224 million, Securitized Credit at $136 million, Securitized Total Return at $31 million, Core Fixed Income at $3,774 million, and Long Duration Treasury at $26 million, all within the $28,738 million total AUM.

Q: Which subsidiary of DHIL manages the reported assets under management?

The assets are managed by Diamond Hill Capital Management, Inc., a wholly owned subsidiary of Diamond Hill Investment Group, Inc. It oversees the $28,738 million in assets across proprietary funds, separately managed accounts, collective trusts, and other pooled vehicles.

Diamond Hill Investment Group reported preliminary assets under management of $28,738 million as of January 31, 2026 for its subsidiary Diamond Hill Capital Management.

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Form Type

8-K

Rhea-AI Filing Summary

Diamond Hill Investment Group reported preliminary assets under management of $28,738 million as of January 31, 2026 for its subsidiary Diamond Hill Capital Management.

By vehicle, proprietary funds held $18,246 million, separately managed accounts $4,924 million, collective investment trusts $1,759 million, and other pooled vehicles $3,809 million. By strategy, the largest exposures were Large Cap at $13,447 million, Short Duration Securitized Bond at $5,224 million, and Core Fixed Income at $3,774 million, with additional allocations across Small Cap, Small-Mid Cap, Mid Cap, Long-Short, and other specialized strategies.

8-K Event Classification

Item 8.01 — Other Events

1 item

Item 8.01 Other Events Other

Voluntary disclosure of events the company deems important to shareholders but not covered by other items.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What total assets under management did DHIL report as of January 31, 2026?

Diamond Hill Investment Group reported total assets under management of $28,738 million as of January 31, 2026. These assets are managed by its wholly owned subsidiary, Diamond Hill Capital Management, across multiple vehicles and investment strategies.

How are DHIL’s assets under management split by investment vehicle?

As of January 31, 2026, DHIL managed $18,246 million in proprietary funds, $4,924 million in separately managed accounts, $1,759 million in collective investment trusts, and $3,809 million in other pooled vehicles, totaling $28,738 million in assets.

Which investment strategies represent the largest AUM for DHIL (DHIL)?

The largest strategies by assets under management are Large Cap at $13,447 million, Short Duration Securitized Bond at $5,224 million, and Core Fixed Income at $3,774 million, within the overall $28,738 million total as of January 31, 2026.

What equity strategies does DHIL (DHIL) manage and their AUM sizes?

Equity strategies include Small Cap ($284 million), Small-Mid Cap ($1,409 million), Mid Cap ($905 million), Large Cap ($13,447 million), Large Cap Concentrated ($191 million), Select ($794 million), Long-Short ($2,293 million), International ($173 million), and Micro Cap ($51 million) as of January 31, 2026.

What fixed income and securitized strategies does DHIL (DHIL) offer?

Fixed income and securitized strategies include Short Duration Securitized Bond at $5,224 million, Securitized Credit at $136 million, Securitized Total Return at $31 million, Core Fixed Income at $3,774 million, and Long Duration Treasury at $26 million, all within the $28,738 million total AUM.

Which subsidiary of DHIL manages the reported assets under management?

The assets are managed by Diamond Hill Capital Management, Inc., a wholly owned subsidiary of Diamond Hill Investment Group, Inc. It oversees the $28,738 million in assets across proprietary funds, separately managed accounts, collective trusts, and other pooled vehicles.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/03/2026 - 04:05 PM EST

United States

Securities and Exchange Commission

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): 2/3/2026

DIAMOND HILL INVESTMENT GROUP, INC.

(Exact name of registrant as specified in its charter)

     (State or other jurisdiction of
incorporation)

     (Commission
File Number)

     (I.R.S. Employer
Identification No.)

325 John H. McConnell Blvd, Suite 200, Columbus, Ohio 43215

(Address of principal executive offices) (Zip Code)

Registrant's telephone number, including area code: (614) 255-3333

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

☐ Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

☐ Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

☐ Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

Securities registered pursuant to Section 12(b) of the Act:


Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common stock, no par value	DHIL	The Nasdaq Stock Market

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

Emerging growth company ☐

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

Item 8.01 Other Events

The following is a summary of assets under management as of January 31. 2026 of Diamond Hill Capital Management, Inc., a wholly owned subsidiary of Diamond Hill Investment Group, Inc. (in millions):


By Investment Vehicle
Proprietary Funds	$	18,246
Separately managed accounts		4,924
Collective investment trusts		1,759
Other pooled vehicles		3,809
Total	$	28,738


By Investment Strategy
Small Cap	$	284
Small-Mid Cap		1,409
Mid Cap		905
Large Cap		13,447
Large Cap Concentrated		191
Select		794
Long-Short		2,293
International		173
Micro Cap		51
Short Duration Securitized Bond		5,224
Securitized Credit		136
Securitized Total Return		31
Core Fixed Income		3,774
Long Duration Treasury		26
Total	$	28,738

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.


		DIAMOND HILL INVESTMENT GROUP, INC.

Date:	2/3/2026	By:	/s/ Thomas E. Line
			Thomas E. Line, Chief Financial Officer and Treasurer

Source: View Original Filing on SEC EDGAR