<SEC-DOCUMENT>0000909108-19-000041-index.html : 20190501
<SEC-HEADER>0000909108-19-000041.hdr.sgml : 20190501
<ACCEPTANCE-DATETIME>20190501074054
ACCESSION NUMBER:		0000909108-19-000041
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20190501
ITEM INFORMATION:		Results of Operations and Financial Condition
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20190501
DATE AS OF CHANGE:		20190501

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:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-24498
		FILM NUMBER:		19784809

	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>8-K
<SEQUENCE>1
<FILENAME>dhil-2019331x8xkxearningsr.htm
<DESCRIPTION>8-K
<TEXT>
Document 1 - file: dhil-2019331x8xkxearningsr.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>dhil-2019331xexx991.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
Document 2 - file: dhil-2019331xexx991.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>dhillogoa01a01a02a69.jpg
<TEXT>
Document 3 - file: dhillogoa01a01a02a69.jpg

</DOCUMENT>
</SEC-DOCUMENT>