<SEC-DOCUMENT>0001085146-18-000800-index.html : 20180214
<SEC-HEADER>0001085146-18-000800.hdr.sgml : 20180214
<ACCEPTANCE-DATETIME>20180214130007
ACCESSION NUMBER:		0001085146-18-000800
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20180214
DATE AS OF CHANGE:		20180214

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Arconic Inc.
		CENTRAL INDEX KEY:			0000004281
		STANDARD INDUSTRIAL CLASSIFICATION:	ROLLING DRAWING & EXTRUDING OF NONFERROUS METALS [3350]
		IRS NUMBER:				250317820
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-14161
		FILM NUMBER:		18610127

	BUSINESS ADDRESS:	
		STREET 1:		390 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022-4608
		BUSINESS PHONE:		2128362732

	MAIL ADDRESS:	
		STREET 1:		390 PARK AVENUE
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10022-4608

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALCOA INC.
		DATE OF NAME CHANGE:	20141003

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALCOA INC
		DATE OF NAME CHANGE:	19990105

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ALUMINUM CO OF AMERICA
		DATE OF NAME CHANGE:	19920703

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ORBIS INVESTMENT MANAGEMENT LTD
		CENTRAL INDEX KEY:			0000940594
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			D0

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		ORBIS HOUSE
		STREET 2:		25 FRONT STREET
		CITY:			HAMILTON
		STATE:			D0
		ZIP:			HM11
		BUSINESS PHONE:		441-296-3000

	MAIL ADDRESS:	
		STREET 1:		ORBIS HOUSE
		STREET 2:		25 FRONT STREET
		CITY:			HAMILTON
		STATE:			D0
		ZIP:			HM11
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>arnc_21418.htm
<DESCRIPTION>ORBIS INVESTMENT MANAGEMENT LIMITED
<TEXT>
Document 1 - file: arnc_21418.htm

</DOCUMENT>
</SEC-DOCUMENT>