<SEC-DOCUMENT>0001037389-19-000087-index.html : 20190213
<SEC-HEADER>0001037389-19-000087.hdr.sgml : 20190213
<ACCEPTANCE-DATETIME>20190212173828
ACCESSION NUMBER:		0001037389-19-000087
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20190213
DATE AS OF CHANGE:		20190212

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			UNITIL CORP
		CENTRAL INDEX KEY:			0000755001
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC & OTHER SERVICES COMBINED [4931]
		IRS NUMBER:				020381573
		STATE OF INCORPORATION:			NH
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-40265
		FILM NUMBER:		19592274

	BUSINESS ADDRESS:	
		STREET 1:		6 LIBERTY LANE WEST
		CITY:			HAMPTON
		STATE:			NH
		ZIP:			03842
		BUSINESS PHONE:		6037736504

	MAIL ADDRESS:	
		STREET 1:		6 LIBERTY LANE WEST
		CITY:			HAMPTON
		STATE:			NH
		ZIP:			03842

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			RENAISSANCE TECHNOLOGIES LLC
		CENTRAL INDEX KEY:			0001037389
		IRS NUMBER:				260385758
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		800 THIRD AVE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022
		BUSINESS PHONE:		2124866780

	MAIL ADDRESS:	
		STREET 1:		800 THIRD AVE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RENAISSANCE TECHNOLOGIES CORP
		DATE OF NAME CHANGE:	19990324
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>utl-13g_20181231.txt
<TEXT>
Document 1 - file: utl-13g_20181231.txt

</DOCUMENT>
</SEC-DOCUMENT>