-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 IrJXMuzYRV7EoxSFHqoTgHGyN0FmTiyPtSr0YBzrCACUtqOzuvwcv3xlar0Vawzs
 3NKxk3d5wmZhYY+MVhtoog==

<SEC-DOCUMENT>0001256071-09-000007.txt : 20090807
<SEC-HEADER>0001256071-09-000007.hdr.sgml : 20090807
<ACCEPTANCE-DATETIME>20090806184034
ACCESSION NUMBER:		0001256071-09-000007
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20090807
DATE AS OF CHANGE:		20090806

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Domtar CORP
		CENTRAL INDEX KEY:			0001381531
		STANDARD INDUSTRIAL CLASSIFICATION:	PAPER MILLS [2621]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1228

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-82722
		FILM NUMBER:		09993157

	BUSINESS ADDRESS:	
		STREET 1:		395 DE MAISONNEUVE BLVD. W.
		CITY:			MONTREAL
		STATE:			A8
		ZIP:			H3A 1L6
		BUSINESS PHONE:		(514) 848-5555

	MAIL ADDRESS:	
		STREET 1:		395 DE MAISONNEUVE BLVD. W.
		CITY:			MONTREAL
		STATE:			A8
		ZIP:			H3A 1L6

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PLATINUM INVESTMENT MANAGEMENT LTD
		CENTRAL INDEX KEY:			0001256071
		IRS NUMBER:				000000000

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		C/O PLATINUM INVESTMENT MANAGEMENT
		STREET 2:		LEVEL 8, 7 MACQUARIE PLACE
		CITY:			SYDNEY AUSTRALIA 2000
		STATE:			C3
		ZIP:			00000
		BUSINESS PHONE:		61292557533

	MAIL ADDRESS:	
		STREET 1:		C/O PLATINUM INVESTMENT MANAGEMENT
		STREET 2:		LEVEL 8, 7 MACQUARIE PLACE
		CITY:			SYDNEY AUSTRALIA 2000
		STATE:			C3
		ZIP:			00000

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PLATINUM ASSET MANAGEMENT LTD
		DATE OF NAME CHANGE:	20030722
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>domtar11.txt
<TEXT>
Item 1.

(a) Domtar Corporation

(b) 	395 de Maisonneuve Blvd West
	Montreal, QC H3A 1L6
	Canada


Item 2.

(a) Platinum Investment Management Limited

(b) Level 8, 7 Macquarie Place
    Sydney NSW 2000
    Australia
(c) Australia
(d) Common Stock
(e) 257559203

Item 3.
N/A

Item 4.

(a) 2,205,256
(b) 5.3%
(c) (i) 2,205,256
(ii) 0
(iii) 2,205,256
(iv) 0

Item 5
No

Item 6
No

Item 7
N/A

Item 8
N/A

Item 9
N/A



Item 10
(a) N/A
(b) By signing below I certify that, to the best of my knowledge and
belief, the securities referred to above were not acquired and are not
held for the purpose of or with the effect of changing or influencing
the control of the issuer of the securities and were not acquired and
are not held in connection with or as a participant in any transaction
having that purpose or effect.



After reasonable inquiry and to the best of my
knowledge and belief, I certify that the information
set forth in this statement is true, complete and correct.
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----