| 
 1. 
 | 
 NAMES OF REPORTING PERSONS 
 | 
| 
 Robert S. Pitts, Jr. 
 | 
| 
 2. 
 | 
 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP 
 | 
| 
 (a)    [x] 
 | 
|
| 
 (b)    [ ] 
 | 
|
| 
 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 
 | 
| 
 2,412,516 
 | 
|
| 
 7. 
 | 
 SOLE DISPOSITIVE POWER 
 | 
| 
 0 
 | 
|
| 
 8. 
 | 
 SHARED DISPOSITIVE POWER 
 | 
| 
 2,412,516 
 | 
|
| 
 9. 
 | 
 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 
 | 
| 
 2,412,516 
 | 
|
| 
 10. 
 | 
 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) 
EXCLUDES CERTAIN SHARES    [ ] 
 | 
| 
 11. 
 | 
 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 
 | 
| 
 6.98% 
 | 
|
| 
 12. 
 | 
 TYPE OF REPORTING PERSON 
 | 
| 
 IN 
 | 
|
| 
 1. 
 | 
 NAMES OF REPORTING PERSONS 
 | 
| 
 Steadfast Capital Management LP 
 | 
|
| 
 2. 
 | 
 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP 
 | 
| 
 (a)    [x] 
 | 
|
| 
 (b)    [ ] 
 | 
|
| 
 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 
 | 
| 
 2,313,706 
 | 
|
| 
 7. 
 | 
 SOLE DISPOSITIVE POWER 
 | 
| 
 0 
 | 
|
| 
 8. 
 | 
 SHARED DISPOSITIVE POWER 
 | 
| 
 2,313,706 
 | 
|
| 
 9. 
 | 
 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 
 | 
| 
 2,313,706 
 | 
|
| 
 10. 
 | 
 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) 
EXCLUDES CERTAIN SHARES    [ ] 
 | 
| 
 11. 
 | 
 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 
 | 
| 
 6.69% 
 | 
|
| 
 12. 
 | 
 TYPE OF REPORTING PERSON 
 | 
| 
 PN 
 | 
|
| 
 1. 
 | 
 NAMES OF REPORTING PERSONS 
 | 
| 
 Steadfast Advisors LP 
 | 
|
| 
 2. 
 | 
 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP 
 | 
| 
 (a)    [x] 
 | 
|
| 
 (b)    [ ] 
 | 
|
| 
 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 
 | 
| 
 98,810 
 | 
|
| 
 7. 
 | 
 SOLE DISPOSITIVE POWER 
 | 
| 
 0 
 | 
|
| 
 8. 
 | 
 SHARED DISPOSITIVE POWER 
 | 
| 
 98,810 
 | 
|
| 
 9. 
 | 
 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 
 | 
| 
 98,810 
 | 
|
| 
 10. 
 | 
 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) 
EXCLUDES CERTAIN SHARES    [ ] 
 | 
| 
 11. 
 | 
 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 
 | 
| 
 0.29% 
 | 
|
| 
 12. 
 | 
 TYPE OF REPORTING PERSON 
 | 
| 
 PN 
 | 
|
| 
 1. 
 | 
 NAMES OF REPORTING PERSONS 
 | 
| 
 Steadfast Capital, L.P. 
 | 
|
| 
 2. 
 | 
 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP 
 | 
| 
 (a)    [x] 
 | 
|
| 
 (b)    [ ] 
 | 
|
| 
 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 
 | 
| 
 98,810 
 | 
|
| 
 7. 
 | 
 SOLE DISPOSITIVE POWER 
 | 
| 
 0 
 | 
|
| 
 8. 
 | 
 SHARED DISPOSITIVE POWER 
 | 
| 
 98,810 
 | 
|
| 
 9. 
 | 
 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 
 | 
| 
 98,810 
 | 
|
| 
 10. 
 | 
 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) 
EXCLUDES CERTAIN SHARES    [ ] 
 | 
| 
 11. 
 | 
 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 
 | 
| 
 0.29% 
 | 
|
| 
 12. 
 | 
 TYPE OF REPORTING PERSON 
 | 
| 
 PN 
 | 
|
| 
 1. 
 | 
 NAMES OF REPORTING PERSONS 
 | 
| 
 American Steadfast, L.P. 
 | 
|
| 
 2. 
 | 
 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP 
 | 
| 
 (a)    [x] 
 | 
|
| 
 (b)    [ ] 
 | 
|
| 
 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 
 | 
| 
 851,789 
 | 
|
| 
 7. 
 | 
 SOLE DISPOSITIVE POWER 
 | 
| 
 0 
 | 
|
| 
 8. 
 | 
 SHARED DISPOSITIVE POWER 
 | 
| 
 851,789 
 | 
|
| 
 9. 
 | 
 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 
 | 
| 
 851,789 
 | 
|
| 
 10. 
 | 
 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) 
EXCLUDES CERTAIN SHARES    [ ] 
 | 
| 
 11. 
 | 
 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 
 | 
| 
 2.46% 
 | 
|
| 
 12. 
 | 
 TYPE OF REPORTING PERSON 
 | 
| 
 PN 
 | 
|
| 
 1. 
 | 
 NAMES OF REPORTING PERSONS 
 | 
| 
 Steadfast International Master Fund Ltd. 
 | 
|
| 
 2. 
 | 
 CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP 
 | 
| 
 (a)    [x] 
 | 
|
| 
 (b)    [ ] 
 | 
|
| 
 3. 
 | 
 SEC USE ONLY 
 | 
| 
 4. 
 | 
 CITIZENSHIP OR PLACE OF ORGANIZATION 
 | 
| 
 Cayman Islands 
 | 
|
| 
 NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH: 
 | 
|
| 
 5. 
 | 
 SOLE VOTING POWER 
 | 
| 
 0 
 | 
|
| 
 6. 
 | 
 SHARED VOTING POWER 
 | 
| 
 1,461,917 
 | 
|
| 
 7. 
 | 
 SOLE DISPOSITIVE POWER 
 | 
| 
 0 
 | 
|
| 
 8. 
 | 
 SHARED DISPOSITIVE POWER 
 | 
| 
 1,461,917 
 | 
|
| 
 9. 
 | 
 AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON 
 | 
| 
 1,461,917 
 | 
|
| 
 10. 
 | 
 CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) 
EXCLUDES CERTAIN SHARES    [ ] 
 | 
| 
 11. 
 | 
 PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9) 
 | 
| 
 4.23% 
 | 
|
| 
 12. 
 | 
 TYPE OF REPORTING PERSON 
 | 
| 
 CO 
 | 
|
| 
 Item 1(a). 
 | 
 Name of Issuer: 
 | 
| 
 Item 1(b). 
 | 
 Address of Issuer's Principal Executive Offices: 
 | 
| 
 Item 2(a). 
 | 
 Name of Person Filing: 
 | 
| 
 Item 2(b). 
 | 
 Address of Principal Business Office or, if None, Residence: 
 | 
| 
 Item 2(c). 
 | 
 Citizenship: 
 | 
| 
 Item 2(d). 
 | 
 Title of Class of Securities:  Class C Common Stock (the “Common Shares”) 
 | 
| 
 Item 2(e). 
 | 
 CUSIP Number:  62942X405 
 | 
| 
 Item 3. 
 | 
 If This Statement is Filed Pursuant to Rule 13d-1(b), or 13d-2(b) or (c), check whether the person filing is a: 
 | 
| 
 | 
 (a) 
 | 
 [ ] 
 | 
 Broker or dealer registered under Section 15 of the Exchange Act; 
 | 
| 
 | 
 (b) 
 | 
 [ ] 
 | 
 Bank as defined in Section 3(a)(6) of the Exchange Act; 
 | 
| 
 | 
 (c) 
 | 
 [ ] 
 | 
 Insurance company defined in Section 3(a)(19) of the Exchange Act; 
 | 
| 
 | 
 (d) 
 | 
 [ ] 
 | 
 Investment company registered under Section 8 of the Investment Company Act; 
 | 
| 
 | 
 (e) 
 | 
 [ ] 
 | 
 An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E); 
 | 
| 
 | 
 (f) 
 | 
 [ ] 
 | 
 An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F); 
 | 
| 
 | 
 (g) 
 | 
 [ ] 
 | 
 A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G); 
 | 
| 
 | 
 (h) 
 | 
 [ ] 
 | 
 A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act; 
 | 
| 
 | 
 (i) 
 | 
 [ ] 
 | 
 A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act; 
 | 
| 
 | 
 (j) 
 | 
 [ ] 
 | 
 Non-U.S. institution in accordance with §240.13d-1(b)(1)(ii)(J); 
 | 
| 
 | 
 (k) 
 | 
 [ ] 
 | 
 Group, in accordance with Rule 13d-1(b)(1)(ii)(J). 
 | 
| 
 Item 4. 
 | 
 Ownership. 
 | 
| 
 Item 5. 
 | 
 Ownership of Five Percent or Less of a Class. 
 | 
| 
 Item 6 
 | 
 Ownership of More Than Five Percent on Behalf of Another Person. 
 | 
| 
 Item 7. 
 | 
 Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person. 
 | 
| 
 Item 8. 
 | 
 Identification and Classification of Members of the Group. 
 | 
| 
 Item 9. 
 | 
 Notice of Dissolution of Group. 
 | 
| 
 Item 10. 
 | 
 Certifications. 
 | 
| 
 STEADFAST CAPITAL MANAGEMENT LP 
 | 
||
| 
 By: 
 | 
/s/ Robert S. Pitts, Jr. | |
| 
 Robert S. Pitts, Jr., President 
 | 
||
| 
 STEADFAST ADVISORS LP 
 | 
||
| 
 By: 
 | 
/s/ Robert S. Pitts, Jr. | |
| 
 Robert S. Pitts, Jr., President 
 | 
||
| 
 STEADFAST CAPITAL, L.P. 
 | 
||
| 
 By: 
 | 
 STEADFAST ADVISORS LP, as Managing General Partner 
 | 
|
| 
 By: 
 | 
/s/ Robert S. Pitts, Jr. | |
| 
 Robert S. Pitts, Jr., President 
 | 
||
| 
 AMERICAN STEADFAST, L.P. 
 | 
||
| 
 By: 
 | 
 STEADFAST CAPITAL MANAGEMENT LP, Attorney-in-Fact 
 | 
|
| 
 By: 
 | 
/s/ Robert S. Pitts, Jr. | |
| 
 Robert S. Pitts, Jr., President 
 | 
||
| 
 STEADFAST INTERNATIONAL MASTER FUND LTD. 
 | 
||
| 
 By: 
 | 
/s/ Robert S. Pitts, Jr. | |
| 
 Robert S. Pitts, Jr., Director 
 | 
||
| /s/ Robert S. Pitts, Jr. | |
| 
 Robert S. Pitts, Jr. 
 | 
| 
 STEADFAST CAPITAL MANAGEMENT LP 
 | 
||
| 
 By: 
 | 
/s/ Robert S. Pitts, Jr. | |
| 
 Robert S. Pitts, Jr., President 
 | 
||
| 
 STEADFAST ADVISORS LP 
 | 
||
| 
 By: 
 | 
/s/ Robert S. Pitts, Jr. | |
| 
 Robert S. Pitts, Jr., President 
 | 
||
| 
 STEADFAST CAPITAL, L.P. 
 | 
||
| 
 By: 
 | 
 STEADFAST ADVISORS LP, as Managing General Partner 
 | 
|
| 
 By: 
 | 
/s/ Robert S. Pitts, Jr. | |
| 
 Robert S. Pitts, Jr., President 
 | 
||
| 
 AMERICAN STEADFAST, L.P. 
 | 
||
| 
 By: 
 | 
 STEADFAST CAPITAL MANAGEMENT LP, Attorney-in-Fact 
 | 
|
| 
 By: 
 | 
/s/ Robert S. Pitts, Jr. | |
| 
 Robert S. Pitts, Jr., President 
 | 
||
| 
 STEADFAST INTERNATIONAL MASTER FUND LTD. 
 | 
||
| 
 By: 
 | 
/s/ Robert S. Pitts, Jr. | |
| 
 Robert S. Pitts, Jr., Director 
 | 
||
| /s/ Robert S. Pitts, Jr. | |
| 
 Robert S. Pitts, Jr. 
 |