<SEC-DOCUMENT>0001562230-17-000008-index.html : 20170213
<SEC-HEADER>0001562230-17-000008.hdr.sgml : 20170213
<ACCEPTANCE-DATETIME>20170213171417
ACCESSION NUMBER:		0001562230-17-000008
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170213
DATE AS OF CHANGE:		20170213

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			IRON MOUNTAIN INC
		CENTRAL INDEX KEY:			0001020569
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				232588479
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-52359
		FILM NUMBER:		17600631

	BUSINESS ADDRESS:	
		STREET 1:		ONE FEDERAL STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110
		BUSINESS PHONE:		617-535-4781

	MAIL ADDRESS:	
		STREET 1:		ONE FEDERAL STREET
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02110

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	IRON MOUNTAIN INC/PA
		DATE OF NAME CHANGE:	20000201

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PIERCE LEAHY CORP
		DATE OF NAME CHANGE:	19960807

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Capital International Investors
		CENTRAL INDEX KEY:			0001562230
		IRS NUMBER:				951411037
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		333 S. HOPE STREET
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90071
		BUSINESS PHONE:		213-486-9200

	MAIL ADDRESS:	
		STREET 1:		333 S. HOPE STREET
		CITY:			LOS ANGELES
		STATE:			CA
		ZIP:			90071

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Capital Research & Management Co - Division 3
		DATE OF NAME CHANGE:	20121114
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>edgirm.txt
<DESCRIPTION>SC 13G/A
<TEXT>
Document 1 - file: edgirm.txt

</DOCUMENT>
</SEC-DOCUMENT>