<SEC-DOCUMENT>0000909108-22-000025-index.html : 20220311
<SEC-HEADER>0000909108-22-000025.hdr.sgml : 20220311
<ACCEPTANCE-DATETIME>20220311091339
ACCESSION NUMBER:		0000909108-22-000025
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		7
CONFORMED PERIOD OF REPORT:	20211231
FILED AS OF DATE:		20220311
DATE AS OF CHANGE:		20220311

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			DIAMOND HILL INVESTMENT GROUP INC
		CENTRAL INDEX KEY:			0000909108
		STANDARD INDUSTRIAL CLASSIFICATION:	INVESTMENT ADVICE [6282]
		IRS NUMBER:				650190407
		STATE OF INCORPORATION:			OH
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-24498
		FILM NUMBER:		22731352

	BUSINESS ADDRESS:	
		STREET 1:		325 JOHN H MCCONNELL BLVD
		STREET 2:		SUITE 200
		CITY:			COLUMBUS
		STATE:			OH
		ZIP:			43215
		BUSINESS PHONE:		6142553333

	MAIL ADDRESS:	
		STREET 1:		325 JOHN H MCCONNELL BLVD
		STREET 2:		SUITE 200
		CITY:			COLUMBUS
		STATE:			OH
		ZIP:			43215

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BANC STOCK GROUP INC
		DATE OF NAME CHANGE:	19971016

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HEARTLAND GROUP OF COMPANIES INC
		DATE OF NAME CHANGE:	19940301

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	HEARTLAND FINANCIAL GROUP INC
		DATE OF NAME CHANGE:	19930714
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>proxystatement-2022.htm
<DESCRIPTION>DEF 14A - PROXY STATEMENT
<TEXT>
Document 1 - file: proxystatement-2022.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>dh_logoxnotaglinexblacka.jpg
<TEXT>
Document 2 - file: dh_logoxnotaglinexblacka.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>dhil2022proxycard-final2x2b.jpg
<TEXT>
Document 3 - file: dhil2022proxycard-final2x2b.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>dhil2022proxycard-final2x2c.jpg
<TEXT>
Document 4 - file: dhil2022proxycard-final2x2c.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>esighba01.jpg
<TEXT>
Document 5 - file: esighba01.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>mysignaturea.jpg
<TEXT>
Document 6 - file: mysignaturea.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>nasdaqboarddiversitydiscloa.jpg
<TEXT>
Document 7 - file: nasdaqboarddiversitydiscloa.jpg

</DOCUMENT>
</SEC-DOCUMENT>