-----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,
 KgkDE6G7kmhh+PIyKoxNSenJdvKDMFZRFVGvWCFhpa/4bBdvZKXIpZC/nxatfsG0
 2edDU+KV7w0KQ/hjqfcWtw==

<SEC-DOCUMENT>0001256071-10-000004.txt : 20100210
<SEC-HEADER>0001256071-10-000004.hdr.sgml : 20100210
<ACCEPTANCE-DATETIME>20100210170331
ACCESSION NUMBER:		0001256071-10-000004
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20100210
DATE AS OF CHANGE:		20100210

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			XOMA LTD
		CENTRAL INDEX KEY:			0001074404
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				942756657
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-57119
		FILM NUMBER:		10588516

	BUSINESS ADDRESS:	
		STREET 1:		2910 SEVENTH ST
		CITY:			BERKELEY
		STATE:			CA
		ZIP:			94710
		BUSINESS PHONE:		5126441170

	MAIL ADDRESS:	
		STREET 1:		2910 SEVENTH ST
		CITY:			BERKELEY
		STATE:			CA
		ZIP:			94710

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	XOMA ARIZONA INC
		DATE OF NAME CHANGE:	19981127

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>xoma81.txt
<TEXT>
Item 1.

(a) Xoma Ltd

(b)   2910 Seventh Street
      Berkeley, California 94710

Item 2.

(a) Platinum Investment Management Limited

(b) Level 8, 7 Macquarie Place
    Sydney NSW 2000
    Australia
(c) Australia
(d) Common Stock
(e) G9825R107

Item 3.
N/A

Item 4.

(a) 7,807,659
(b) 3.9%
(c) (i)7,807,659
(ii) 0
(iii)7,807,659
(iv) 0

Item 5
Yes

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>
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