<SEC-DOCUMENT>0001060349-17-000039-index.html : 20171107
<SEC-HEADER>0001060349-17-000039.hdr.sgml : 20171107
<ACCEPTANCE-DATETIME>20171107165253
ACCESSION NUMBER:		0001060349-17-000039
CONFORMED SUBMISSION TYPE:	S-3
PUBLIC DOCUMENT COUNT:		4
FILED AS OF DATE:		20171107
DATE AS OF CHANGE:		20171107

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GAMCO INVESTORS, INC. ET AL
		CENTRAL INDEX KEY:			0001060349
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		IRS NUMBER:				134007862
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0923

	FILING VALUES:
		FORM TYPE:		S-3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-221394
		FILM NUMBER:		171184090

	BUSINESS ADDRESS:	
		STREET 1:		ONE CORPORATE CENTER
		STREET 2:		401 THEODORE FREMD AVENUE
		CITY:			RYE
		STATE:			NY
		ZIP:			10580
		BUSINESS PHONE:		9149213700

	MAIL ADDRESS:	
		STREET 1:		ONE CORPORATE CENTER
		STREET 2:		401 THEODORE FREMD AVENUE
		CITY:			RYE
		STATE:			NY
		ZIP:			10580

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GABELLI ASSET MANAGEMENT INC
		DATE OF NAME CHANGE:	19990112

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALPHA G INC
		DATE OF NAME CHANGE:	19980423
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-3
<SEQUENCE>1
<FILENAME>gbls3110717.htm
<DESCRIPTION>FORM S-3, DATED NOVEMBER 7, 2017
<TEXT>
Document 1 - file: gbls3110717.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>ex501110717.htm
<DESCRIPTION>EXHIBIT 5.1, DATED NOVEMBER 7, 2017
<TEXT>
Document 2 - file: ex501110717.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.1
<SEQUENCE>3
<FILENAME>ex2301110717.htm
<DESCRIPTION>EXHIBIT 23.1, DATED NOVEMBER 7, 2017
<TEXT>
Document 3 - file: ex2301110717.htm

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

</DOCUMENT>
</SEC-DOCUMENT>