FORM 4
[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES
                                                                                  
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public
Utility Holding Company Act of 1935 or Section 30(f) of the Investment Company Act of 1940
                      

1. Name and Address of Reporting Person *

Quigley John 		2. Issuer Name and Ticker or Trading Symbol

SIRF TECHNOLOGY HOLDINGS INC [ SIRF ] 		5. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director                      _____ 10% Owner
__ X __ Officer (give title below)      _____ Other (specify below)
Senior Vice President
(Last)          (First)          (Middle)

217 DEVCON DRIVE 		3. Date of Earliest Transaction (MM/DD/YYYY)

5/15/2009
(Street)

SAN JOSE, CA 95112
(City)        (State)        (Zip)
4. If Amendment, Date Original Filed (MM/DD/YYYY)

 
6. Individual or Joint/Group Filing (Check Applicable Line)

_ X _ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Trans. Date 2A. Deemed Execution Date, if any 3. Trans. Code
(Instr. 8) 		4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4) 		6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock   5/15/2009     J (1)    13533   D $0   94533   D    

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Trans. Date 3A. Deemed Execution Date, if any 4. Trans. Code
(Instr. 8) 		5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5) 		6. Date Exercisable and Expiration Date 7. Title and Amount of Securities Underlying Derivative Security
(Instr. 3 and 4) 		8. Price of Derivative Security
(Instr. 5) 		9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Non-Qualified Stock Option (right to buy)   $3.39                   5/8/2010   (2) 5/8/2015   Common Stock   90000     90000   D    
Non-Qualified Stock Option (right to buy)   $5.62                   4/29/2009   (3) 4/29/2014   Common Stock   70000     70000   D    
Non-Qualified Stock Option (right to buy)   $23.79                   1/29/2008   (4) 1/29/2014   Common Stock   48000     48000   D    
Non-Qualified Stock Option (right to buy)   $25.16                   4/24/2009   (5) 4/24/2013   Common Stock   5000     5000   D    

Explanation of Responses:
( 1)  Shares transferred to ex-spouse per property settlement agreement. The reporting person no longer reports beneficial ownership of securities owned by ex-spouse.
( 2)  Vests 20% on first anniversary of grant date, 30% on second anniversary of grant date, and 50% on third anniversary of grant date.
( 3)  Of such 70,000 shares, 35,000 shares vest on each of 4/29/2009 and 4/29/2010. Option becomes exercisable as it vests.
( 4)  Of such 48,000 shares, 12,000 shares vested on 1/29/08 and vests monthly thereafter from 1/29/08 to 1/29/2011. Option becomes exercisable as it vests.
( 5)  Of such 5,000 shares, this option vests as to 2,000 shares on 4/24/2009 and as to 3,000 shares on 4/24/2010. Option becomes exercisable as it vests.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Quigley John
217 DEVCON DRIVE
SAN JOSE, CA 95112

Senior Vice President

Signatures
By: Dennis Bencala For: John Quigley 5/18/2009
** Signature of Reporting Person Date


Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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