[Form 3] DIAMOND HILL INVESTMENT GROUP INC Initial Statement of Beneficial Ownership

Rhea-AI Filing Summary

Diamond Hill Investment Group (DHIL) disclosed an initial insider filing. A director filed a Form 3 as of 10/29/2025, reporting beneficial ownership of 0 shares of common stock, held directly. No derivative securities were listed.

SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person^*

Nordin Diane C

(Last) (First) (Middle)

325 JOHN H. MCCONNELL BLVD.

SUITE 200

(Street)

COLUMBUS OH 43215

(City) (State) (Zip)

2. Date of Event Requiring Statement (Month/Day/Year)
10/29/2025

3. Issuer Name and Ticker or Trading Symbol
DIAMOND HILL INVESTMENT GROUP INC [ DHIL ]

4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)

X	Director		10% Owner
	Officer (give title below)		Other (specify below)

5. If Amendment, Date of Original Filed (Month/Day/Year)

6. Individual or Joint/Group Filing (Check Applicable Line)

X	Form filed by One Reporting Person
	Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common	0	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

	Carlotta D. King by POA	10/29/2025
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.

FAQ

What did Diamond Hill (DHIL) file?

A Form 3 initial statement of beneficial ownership for a director.

What is the event date on the DHIL Form 3?

The event date is 10/29/2025.

How many DHIL common shares does the director report owning?

The filing reports 0 common shares beneficially owned.

Is the reported ownership direct or indirect?

The ownership is Direct (D).

Were any derivative securities reported on the Form 3?

No derivative securities were listed in the filing.

Who signed the Form 3?

It was signed by Carlotta D. King by POA on 10/29/2025.