<SEC-DOCUMENT>0001104659-21-002034-index.html : 20210107
<SEC-HEADER>0001104659-21-002034.hdr.sgml : 20210107
<ACCEPTANCE-DATETIME>20210107165713
ACCESSION NUMBER:		0001104659-21-002034
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20210107
DATE AS OF CHANGE:		20210107

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			HENNESSY ADVISORS INC
		CENTRAL INDEX KEY:			0001145255
		STANDARD INDUSTRIAL CLASSIFICATION:	INVESTMENT ADVICE [6282]
		IRS NUMBER:				680176227
		FISCAL YEAR END:			0930

	FILING VALUES:
		FORM TYPE:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-251201
		FILM NUMBER:		21514785

	BUSINESS ADDRESS:	
		STREET 1:		7250 REDWOOD BLVD.
		STREET 2:		SUITE 200
		CITY:			NOVATO
		STATE:			CA
		ZIP:			94945
		BUSINESS PHONE:		415-899-1555

	MAIL ADDRESS:	
		STREET 1:		7250 REDWOOD BLVD.
		STREET 2:		SUITE 200
		CITY:			NOVATO
		STATE:			CA
		ZIP:			94945
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B3
<SEQUENCE>1
<FILENAME>tm2037801-4_424b3.htm
<DESCRIPTION>424B3
<TEXT>
Document 1 - file: tm2037801-4_424b3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>lg_hennessy-4c.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: lg_hennessy-4c.jpg

</DOCUMENT>
</SEC-DOCUMENT>