-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
 Oif/dO+md8z82APbcnKbMzqB8UU7QWHTSlf8oxpelLfqx4vHbHpsdd2WEt+f8Qko
 xhYPFRb7tYbPF0njGqV4cw==

<SEC-DOCUMENT>0001256071-05-000001.txt : 20050111
<SEC-HEADER>0001256071-05-000001.hdr.sgml : 20050111
<ACCEPTANCE-DATETIME>20050110190117
ACCESSION NUMBER:		0001256071-05-000001
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20050111
DATE AS OF CHANGE:		20050110

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MYRIAD GENETICS INC
		CENTRAL INDEX KEY:			0000899923
		STANDARD INDUSTRIAL CLASSIFICATION:	IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835]
		IRS NUMBER:				870494517
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-48577
		FILM NUMBER:		05521945

	BUSINESS ADDRESS:	
		STREET 1:		320 WAKARA WAY
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84108

	MAIL ADDRESS:	
		STREET 1:		320 WAKARA WAY
		CITY:			SALT LAKE CITY
		STATE:			UT
		ZIP:			84108

FILED BY:		

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

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		C/O PLATINUM ASSET MANAGEMENT
		STREET 2:		LEVEL 4, 55 HARRINGTON ST
		CITY:			SYDNEY AUSTRALIA 2000
		STATE:			C3
		ZIP:			00000
		BUSINESS PHONE:		01161292557525

	MAIL ADDRESS:	
		STREET 1:		C/O PLATINUM ASSET MANAGEMENT
		STREET 2:		LEVEL 4, 55 HARRINGTON ST
		CITY:			SYDNEY AUSTRALIA 2000
		STATE:			C3
		ZIP:			00000
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>mygna4.txt
<TEXT>
Item 1.

(a) Myriad Genetics Inc

(b) 	320 Wakara Way
      Salt Lake City, UT 84108

Item 2.

(a) Platinum Asset Management Limited as trustee
for the Platinum Asset Management Trust

(b)  Level 4, 55 Harrington St
Sydney NSW 2000
Australia
(c) Australia
(d) Common Stock
(e) 62855J104

Item 3.
N/A

Item 4.

(a) 1,991,398
(b) 6.5%
(c) (i) 1,991,398
(ii) 0
(iii) 1,991,398
(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 and correct





</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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