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

SCHEDULE 13G
Under the Securities Exchange Act of 1934
(Amendment No.      )*

GrubHub, Inc.
(Name of Issuer)
Common Stock, par value $0.0001
(Title of Class of Securities)
400110102
(CUSIP Number)
January 22, 2016
(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
¨ Rule 13d-1(b)
x 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.400110102	 		

   1  	 	NAMES OF REPORTING PERSONS
 
PAR Investment Partners, L.P.	
   2	 	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a)   ¨         (b)   x
 	
   3	 	SEC USE ONLY
 	
   4	 	CITIZENSHIP OR PLACE OF ORGANIZATION
 
State of Delaware	
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH:	  	5  	  	SOLE VOTING POWER
 
5,455,000	
	  	6	  	SHARED VOTING POWER
 
None	
	  	7	  	SOLE DISPOSITIVE POWER
 
5,455,000	
	  	8	  	SHARED DISPOSITIVE POWER
 
None	
   9	 	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
5,455,000	
10	 	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
 
¨	
11	 	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
 
6.4%	
12	 	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
 
PN	

			
CUSIP No.400110102	 		

   1  	 	NAMES OF REPORTING PERSONS
 
PAR Group, L.P.	
   2	 	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a)   ¨         (b)   x
 	
   3	 	SEC USE ONLY
 	
   4	 	CITIZENSHIP OR PLACE OF ORGANIZATION
 
State of Delaware	
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH:	  	5  	  	SOLE VOTING POWER
 
5,455,000	
	  	6	  	SHARED VOTING POWER
 
None	
	  	7	  	SOLE DISPOSITIVE POWER
 
5,455,000	
	  	8	  	SHARED DISPOSITIVE POWER
 
None	
   9	 	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
5,455,000	
10	 	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
 
¨	
11	 	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
 
6.4%	
12	 	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
 
PN	

			
CUSIP No.400110102	 		

   1  	 	NAMES OF REPORTING PERSONS
 
PAR Capital Management, Inc.	
   2	 	CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
(a)   ¨         (b)   x
 	
   3	 	SEC USE ONLY
 	
   4	 	CITIZENSHIP OR PLACE OF ORGANIZATION
 
State of Delaware	
NUMBER OF
SHARES
BENEFICIALLY
OWNED BY
EACH
REPORTING
PERSON
WITH:	  	5  	  	SOLE VOTING POWER
 
5,455,000	
	  	6	  	SHARED VOTING POWER
 
None	
	  	7	  	SOLE DISPOSITIVE POWER
 
5,455,000	
	  	8	  	SHARED DISPOSITIVE POWER
 
None	
   9	 	AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
 
5,455,000	
10	 	CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
 
¨	
11	 	PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
 
6.4%	
12	 	TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
 
CO	

Item 1(a) Name of issuer.
GrubHub, Inc.
Item 1(b) Address of issuer’s principal executive offices.
111 W. Washington St.,
Suite 2100
Chicago, IL 60602
Item 2(a) Name of person filing.
PAR Investment Partners, L.P.
PAR Group, L.P.
PAR Capital Management, Inc.
Item 2(b) Address or principal business office or, if none, residence.
PAR Capital Management, Inc.
One International Place, Suite 2041
Boston, MA 02110
Item 2(c) Citizenship.
State of Delaware
Item 2(d) Title of class of securities .
Common Stock, par value $0.001
Item 2(e) CUSIP No.
400110102
Item 3. If this statement is filed pursuant to §§240.13d–1(b) or 240.13d–2(b) or (c), check whether the person filing is a:
Not applicable
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:
PAR Investment Partners, L.P. – 5,455,000
PAR Group, L.P. – 5,455,000
PAR Capital Management, Inc. – 5,455,000
(b) Percent of Class:
PAR Investment Partners, L.P. – 6.4%
PAR Group, L.P. – 6.4%
PAR Capital Management, Inc. – 6.4%

(c) (1) Number of shares as to which PAR Investment Partners, L.P. has:
(i) sole power to vote or to direct the vote 5,455,000
(ii) shared power to vote or to direct the vote 0
(iii) sole power to dispose or to direct the disposition of 5,455,000
(iv) shared power to dispose or to direct the disposition of 0
(2) Number of shares as to which PAR Group, L.P. has:
(i) sole power to vote or to direct the vote 5,455,000
(ii) shared power to vote or to direct the vote 0
(iii) sole power to dispose or to direct the disposition of 5,455,000
(iv) shared power to dispose or to direct the disposition of 0
(3) Number of shares as to which PAR Capital Management, Inc. has:
(i) sole power to vote or to direct the vote 5,455,000
(ii) shared power to vote or to direct the vote 0
(iii) sole power to dispose or to direct the disposition of 5,455,000
(iv) shared power to dispose or to direct the disposition of 0
Item 5. Ownership of 5 Percent or Less of a Class.
Not applicable
Item 6. Ownership of More than 5 Percent on Behalf of Another Person.
Not applicable
Item 7. Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
The sole general partner of PAR Investment Partners, L.P. is PAR Group, L.P. The sole general partner of PAR Group L.P., is PAR Capital Management, Inc. Each of PAR Group, L.P. and PAR Capital Management, Inc. may be deemed to be the beneficial owner of all shares held directly by PAR Investment Partners, L.P.
Item 8. Identification and Classification of Members of the Group.
Not applicable
Item 9. Notice of Dissolution of Group.
Not applicable

Item 10. Certification.
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and 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.

Exhibits	  	 	
	
Exhibit 99.1 - Joint Filing Agreement	

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.
Date: February 1, 2016

PAR INVESTMENT PARTNERS, L.P.	
By:	 	PAR Group, L.P.	
	 	its general partner	
By:	 	PAR Capital Management, Inc.	
	 	its general partner	
		
By:	 	/s/ Steven M. Smith	
	 	Steven M. Smith, Chief Operating Officer	
	
PAR GROUP, L.P.	
By:	 	PAR Capital Management, Inc.	
	 	its general partner	
		
By:	 	/s/ Steven M. Smith	
	 	Steven M. Smith, Chief Operating Officer	
	
PAR CAPITAL MANAGEMENT, INC.	
		
By:	 	/s/ Steven M. Smith	
	 	Steven M. Smith, Chief Operating Officer	

SCHEDULE 13G
Exhibit 99.1
Joint Filing Agreement
In accordance with Rule 13d-l(k) under the Securities and Exchange Act of 1934, as amended, the undersigned agree to the joint filing on behalf of each of them of a statement on Schedule 13G (including amendments thereto) with respect to the issuer’s Common Stock and further agree that this Joint Filing Agreement be included as an exhibit to such Schedule 13G. Each party to this Joint Filing Agreement expressly authorizes each other party to file on its behalf any and all amendments to such statement on Schedule 13G.
In evidence whereof, each of the undersigned, being duly authorized, has executed this Joint Filing Agreement as of February 1, 2016.

PAR INVESTMENT PARTNERS, L.P.	
By:	 	PAR Group, L.P., its General Partner	
By:	 	PAR Capital Management, Inc., its General Partner	
		
By:	 	/s/ Steven M. Smith	
	 	Name: Steven M. Smith	
	 	Title: Chief Operating Officer and General Counsel	
	
PAR GROUP, L.P.	
By:	 	PAR Capital Management, Inc., its General Partner	
		
By:	 	/s/ Steven M. Smith	
	 	Name: Steven M. Smith	
	 	Title: Chief Operating Officer and General Counsel	
	
PAR CAPITAL MANAGEMENT, INC.	
By:	 	/s/ Steven M. Smith	
	 	Name: Steven M. Smith	
	 	Title: Chief Operating Officer and General Counsel