UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934

SINA CORPORATION

(Name of Issuer)

Common Stock

(Title of Class of Securities)

G81477104

(CUSIP Number)

February 6, 2008

(Date of Event which requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

o Rule 13d-1(b)

x Rule 13d-1(c)

o Rule 13d-1(d)

*The remainder of this cover page shall be filed out for a reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

SCHEDULE 13G


CUSIP No. G81477104		Page 2 of 8 Pages

1	NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON (ENTITIES ONLY) Bridger Management, LLC
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) o (b) x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION Delaware
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER 0
		6	SHARED VOTING POWER 3,000,000
		7	SOLE DISPOSITIVE POWER 0
		8	SHARED DISPOSITIVE POWER 3,000,000
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 3,000,000
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* o
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.49%
12	TYPE OF REPORTING PERSON* OO

*SEE INSTRUCTIONS BEFORE FILLING OUT!

SCHEDULE 13G


CUSIP No. G81477104		Page 3 of 8 Pages

1	NAME OF REPORTING PERSON I.R.S. IDENTIFICATION NOS. OF ABOVE PERSON (ENTITIES ONLY) Roberto Mignone
2	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP* (a) o (b) x
3	SEC USE ONLY
4	CITIZENSHIP OR PLACE OF ORGANIZATION United States
NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH		5	SOLE VOTING POWER 0
		6	SHARED VOTING POWER 3,000,000
		7	SOLE DISPOSITIVE POWER 0
		8	SHARED DISPOSITIVE POWER 3,000,000
9	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 3,000,000
10	CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES* o
11	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 5.49%
12	TYPE OF REPORTING PERSON* IN

*SEE INSTRUCTIONS BEFORE FILLING OUT!

Page 4 of 8 Pages

Item 1(a).	Name of Issuer: Sina Corporation

Item 1(b).	Address of Issuer’s Principal Executive Offices:
	Room 1802, United Plaza, 1468 Nan Jing Road West, Shanghai 200040, China.

Item 2(a, b, c).	Name of Persons Filing, Address of Principal Business Office, Citizenship:

	Bridger Management, LLC, a Delaware limited liability company; and
	Mr. Roberto Mignone (“Mr. Mignone”), each having offices at 90 Park Avenue - 40^th Floor, New York, NY 10016. Mr. Mignone is a United States citizen.

Item 2(d).	Title of Class of Securities: Common Stock, par value $0.133 per share (the “Common Stock”)

Item 2(e).	CUSIP Number: G81477104

Item 3.	Not Applicable.

Item 4.	Ownership.

	1.	Bridger Management, LLC:

		(a)	Amount beneficially owned: 3,000,000 shares.
		(b)	Percent of class: 5.49%. The percentage of Common Stock reported as beneficially owned is based upon 54,668,454 shares outstanding as reported by the Issuer on its Form 10-K/A filed June 8, 2007 for the fiscal year ended December 31, 2006.
		(c)	Number of shares as to which such person has:
			(i)	Sole power to vote or to direct the vote: 0
			(ii)	Shared power to vote or to direct the vote: 3,000,000 shares
			(iii)	Sole power to dispose or to direct the disposition of: 0
			(iv)	Shared power to dispose or to direct the disposition of: 3,000,000 shares.

Page 5 of 8 Pages

2.	Roberto Mignone

(a)	Amount beneficially owned: 3,000,000 shares.
(b)	Percent of class (determined as set forth in paragraph 1(b) of this Item 4): 5.49%
(c)	Number of shares as to which such person has:
	(i)	Sole power to vote or to direct the vote: 0
	(ii)	Shared power to vote or to direct the vote: 3,000,000 shares
	(iii)	Sole power to dispose or to direct the disposition of: 0
	(iv)	Shared power to dispose or to direct the disposition of: 3,000,000 shares.

The Common Stock reported herein is beneficially owned as a result of the purchase of such shares by certain accounts managed by Bridger Management, LLC. Mr. Mignone is the managing member of Bridger Management, LLC.

Item 5.	Ownership of Five Percent or less of a Class:

	If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following o.

Item 6.	Ownership of More than Five Percent on Behalf of Another Person.

	The Common Stock reported herein is held by certain accounts managed by Bridger Management, LLC. No such interest relates to more than 5% of the class.

Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on By the Parent Holding Company or Control Person.

	Not Applicable.

Item 8.	Identification and Classification of Members of the Group.

	Not Applicable.

Item 9.	Notice of Dissolution of Group.

	Not Applicable.

Page 6 of 8 Pages

Item 10.	Certification.

	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.

[Signature Page Follows:]

Page 7 of 8 Pages

SIGNATURE

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.

DATED: February 11, 2008


	BRIDGER MANAGEMENT, LLC

	By:	/s/ Roberto Mignone
	Roberto Mignone, Managing Member


	By:	/s/ Roberto Mignone
	Roberto Mignone, Individually

Page 8 of 8 Pages

Exhibit 1

JOINT ACQUISITION STATEMENT PURSUANT TO RULE 13d-1(k)

The undersigned acknowledge and agree that the foregoing statement on Schedule 13G is filed on behalf of each of the undersigned and that all subsequent amendments to this statement on Schedule 13G shall be filed on behalf of each of the undersigned without the necessity of filing additional joint acquisition statements. The undersigned acknowledge that each shall be responsible for the timely filing of such amendments, and for the completeness and accuracy of the information concerning him or it contained therein, but shall not be responsible for the completeness and accuracy of the information concerning the others, except to the extent that he or it knows or has reason to believe that such information is inaccurate.


DATED: February 11, 2008

	By:	/s/ Roberto Mignone
		Roberto Mignone, individually and
		as the managing member of Bridger Management, LLC