Form SC 13G Spirit AeroSystems Holdi Filed by: Hound Partners, LLC

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934
(Amendment No.)*


Spirit AeroSystems Holdings, Inc.
(Name of Issuer)

Class A Common Stock, $.01 Par Value Per Share
(Title of Class of Securities)


848574109
(CUSIP Number)


December 31, 2014
(Date of Event Which Requires Filing of this Statement)


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

	?	[X]	Rule 13d-1(b)
		[   ]	Rule 13d-1(c)
    	[   ]	Rule 13d-1(d)

The remainder of this cover page shall be filled 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 the disclosures provided in a prior cover page.

The information required in 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).




CUSIP No. 848574109	

1.  Names of Reporting Persons.

Hound Partners, LLC

2.  Check the Appropriate Box if a Member of a Group 
(a) [   ]
(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

9,430,671

7.  Sole Dispositive Power

0

8.  Shared Dispositive Power

9,430,671
9.  Aggregate Amount Beneficially Owned by Each Reporting Person

9,430,671
10.  Check if the Aggregate Amount in Row (9) 
Excludes Certain Shares       [   ]
11.  Percent of Class Represented by Amount in Row (9)

6.68%
12.  Type of Reporting Person

IA



CUSIP No. 848574109	 

1.  Names of Reporting Persons.

Hound Performance, LLC

2.  Check the Appropriate Box if a Member of a Group 
(a) [   ]
(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

9,138,663

7.  Sole Dispositive Power

0

8.  Shared Dispositive Power

9,138,663
9.  Aggregate Amount Beneficially Owned by Each Reporting Person

9,138,663
10.  Check if the Aggregate Amount in Row (9) 
Excludes Certain Shares       [   ]
11.  Percent of Class Represented by Amount in Row (9)

6.47%
12.  Type of Reporting Person


OO



CUSIP No. 848574109	 

1.  Names of Reporting Persons.

Jonathan Auerbach

2.  Check the Appropriate Box if a Member of a Group 
(a) [   ]
(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

9,430,671

7.  Sole Dispositive Power

0

8.  Shared Dispositive Power

9,430,671
9.  Aggregate Amount Beneficially Owned by Each Reporting Person

9,430,671
10.  Check if the Aggregate Amount in Row (9) 
Excludes Certain Shares       [   ]
11.  Percent of Class Represented by Amount in Row (9)

6.68%
12.  Type of Reporting Person


IN



CUSIP No. 848574109

ITEM 1.
(a) Name of Issuer: 

Spirit AeroSystems Holdings, Inc.

       (b) Address of Issuer's Principal Executive Offices:
       	
       3801 South Oliver
       Wichita, Kansas 67210

ITEM 2.
       (a) - (c)
       
       Hound Partners, LLC
       101 Park Avenue, 48th Floor
       New York, NY 10178
       
       Hound Performance, LLC
       101 Park Avenue, 48th Floor
       New York, NY 10178
       
       Jonathan Auerbach
       101 Park Avenue, 48th Floor
       New York, NY 10178

       (d) Title of Class of Securities:
       
       Class A Common Stock, $..01 par value per share

       (e) CUSIP Number:
       
       848574109

ITEM 3.  IF THIS STATEMENT IS FILED PURSUANT TO 
SS.240.13d-1(b) OR 240.13d-2(b) OR (c), CHECK WHETHER 
THE PERSON FILING IS A:

 
(a)
[_]
Broker or dealer registered under Section 15 of the Act  (15 U.S.C. 78o).
 
(b)
[_]
Bank as defined in Section 3(a)(6) of the Act (15 U.S.C. 78c).   
 
(c)
[_]
Insurance company as defined in Section 3(a)(19) of the Act (15 U.S.C. 78c).   
 
(d)
[_]
Investment company registered under Section 8 of the Investment 
Company Act of 1940 (15 U.S.C. 80a-8). 
 
(e)
[X]
An investment adviser in accordance with  ss.240.13d-1(b)(1)(ii)(E);   
 
(f)
[_] 
An employee benefit plan or endowment fund in accordance
 with ss.240.13d-1(b)(1)(ii)(F);   
 
(g) 
[X] 
A parent holding company or control person in accordance
 with ss.240.13d-1(b)(1)(ii)(G);   
 
(h) 
[_] 
A savings associations as defined in Section 3(b) of the 
Federal Deposit Insurance Act (12 U.S.C. 1813);   
 
(i) 
[_] 
A church plan that is excluded from the definition of an
 investment company under section 3(c)(14) of the Investment
 Company Act of 1940 (15 U.S.C. 80a-3);   
 
(j) 
[_] 
Group, in accordance with ss.240.13d-1(b)(1)(ii)(J).

ITEM 4. OWNERSHIP.

Provide the following information regarding the aggregate number 
and percentage of the class of securities of the issuer identified in Item 1.

(a) Amount beneficially owned:

Hound Partners, LLC
9,430,671 shares
Hound Performance, LLC
9,138,663 shares
Jonathan Auerbach
9,430,671 shares

       (b) Percent of class:
       
Hound Partners, LLC
6.68%
Hound Performance, LLC
6.47%
Jonathan Auerbach
6.68%

       (c) Number of shares as to which such person has:

       	(i)  Sole power to vote or to direct the vote
       
Hound Partners, LLC
0
Hound Performance, LLC
0
Jonathan Auerbach
0
Hound Partners Offshore Fund, LP
0

       	(ii) Shared power to vote or to direct the vote

Hound Partners, LLC
9,430,671 shares
3,970,073 shares
Hound Performance, LLC
9,138,663 shares
3,832,876 shares
Jonathan Auerbach
9,430,671 shares
3,970,073 shares

       	(iii) Sole power to dispose or to direct the disposition of

Hound Partners, LLC
0
Hound Performance, LLC
0
Jonathan Auerbach
0
Hound Partners Offshore Fund, LP
0

       	(iv) Shared power to dispose or to direct the disposition of

Hound Partners, LLC
9,430,671 shares
3,970,073 shares
1,000,000 shares
Hound Performance, LLC
9,138,663 shares
3,832,876 shares
908,509 shares
Jonathan Auerbach
9,430,671 shares
3,970,073 shares
1,000,000 shares

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 [  ].

N/A

ITEM 6. OWNERSHIP OF MORE THAN FIVE PERCENT ON BEHALF OF ANOTHER PERSON.

If any other person is known to have the right to receive or the
 power to direct the receipt of dividends from, or the proceeds
 from the sale of, such securities, a statement to that effect
 should be included in response to this item and, if such
 interest relates to more than five percent of the class, such
 person should be identified. A listing of the shareholders of
 an investment company registered under the Investment Company
 Act of 1940 or the beneficiaries of employee benefit plan, pension
fund or endowment fund is not required.

All of the securities reported in this Schedule 13G are owned 
by advisory clients of Hound Partners, LLC.  None of these 
clients own more than five percent of the Issuer's Class A Common Stock.

ITEM 7. IDENTIFICATION AND CLASSIFICATION OF THE SUBSIDIARY WHICH ACQUIRED
 THE SECURITY BEING REPORTED ON BY THE PARENT HOLDING COMPANY.

If a parent holding company or Control person has filed this schedule,
 pursuant to Rule 13d-1(b)(1)(ii)(G), so indicate under Item 3(g) and
 attach an exhibit stating the identity and the Item 3 classification of the
 relevant subsidiary. If a parent holding company or control person 
has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), 
attach an exhibit stating the identification of the relevant subsidiary.

See Exhibit B attached hereto.

ITEM 8. IDENTIFICATION AND CLASSIFICATION OF MEMBERS OF THE GROUP.

If a group has filed this schedule pursuant to ss.240.13d-1(b)(1)(ii)(J),
 so indicate under Item 3(j) and attach an exhibit stating the identity
 and Item 3 classification of each member of the group. If a group
 has filed this schedule pursuant to ss.240.13d-1(c) or ss.240.13d-1(d),
 attach an exhibit stating the identity of each member of the group.

N/A

ITEM 9. NOTICE OF DISSOLUTION OF GROUP.

Notice of dissolution of a group may be furnished as an exhibit stating
 the date of the dissolution and that all further filings with respect to
 transactions in the security reported on will be filed, if required,
 by members of the group, in their individual capacity. See Item 5.

N/A

ITEM 10. CERTIFICATIONS.

"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 such purpose or effect."



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.

February 17, 2015
(Date)


HOUND PARTNERS, LLC (1)

By: /s/ Jonathan Auerbach
Jonathan Auerbach, Managing Member

HOUND PERFORMANCE, LLC (1)
By: /s/ Jonathan Auerbach
Jonathan Auerbach, Managing Member

/s/ Jonathan Auerbach (1)
JONATHAN AUERBACH


(1) The Reporting Persons disclaim beneficial ownership 
except to the extent of their pecuniary interest therein.




































EXHIBIT A

AGREEMENT
 


The undersigned agree that this Schedule 13G dated February 17, 2015 
relating to the Class A Common Stock, $.01 par value per share of 
Spirit AeroSystems Holdings, Inc. shall be filed on behalf of the undersigned.
 

 
HOUND PARTNERS, LLC
 
 
 
By:
/s/ Jonathan Auerbach
 
 
Jonathan Auerbach, Managing Member
 
 
 
HOUND PERFORMANCE, LLC
 
 
 
By:
/s/ Jonathan Auerbach
 
 
Jonathan Auerbach, Managing Member
 
 
 
/s/ Jonathan Auerbach
 
JONATHAN AUERBACH
 
 



































       EXHIBIT B
       

Hound Partners, LLC is the relevant entity for 
which Jonathan Auerbach may be considered a
control person.

















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