Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  VIKING GLOBAL PERFORMANCE LLC
2. Date of Event Requiring Statement (Month/Day/Year)
07/08/2016
3. Issuer Name and Ticker or Trading Symbol
Axovant Sciences Ltd. [AXON]
(Last)
(First)
(Middle)
55 RAILROAD AVENUE
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

GREENWICH, CT 06830
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Shares 75,000,000
I
See Explanation of Responses (1) (2) (3) (4)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
VIKING GLOBAL PERFORMANCE LLC
55 RAILROAD AVENUE
GREENWICH, CT 06830
    X    
Viking Global Equities LP
55 RAILROAD AVENUE
GREENWICH, CT 06830
    X    
Viking Global Equities II LP
55 RAILROAD AVENUE
GREENWICH, CT 06830
    X    
VGE III Portfolio Ltd.
55 RAILROAD AVENUE
GREENWICH, CT 06830
    X    
Viking Long Fund Master Ltd.
55 RAILROAD AVENUE
GREENWICH, CT 06830
    X    
Viking Long Fund GP LLC
55 RAILROAD AVENUE
GREENWICH, CT 06830
    X    

Signatures

/s/ O. Andreas Halvorsen (5)(6) 07/13/2016
**Signature of Reporting Person Date

/s/ David C. Ott (5)(6) 07/13/2016
**Signature of Reporting Person Date

/s/ Daniel S. Sundheim (5)(6) 07/13/2016
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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).
(1) The Reporting Persons (as defined below) do not directly own any shares of common stock (the "Common Shares") of Axovant Sciences Ltd. (the "Issuer"). The Reporting Persons acquired Roivant Sciences Ltd. ("Roivant") common shares (the "Roivant Common Shares") on December 8, 2015. Roivant directly holds the 75,000,000 Common Shares reported herein. Due to certain governance arrangements set forth in Roivant's bye-laws, as of the appointment of an independent director (within the meaning of that term under Roivant's bye-laws) to Roivant's board of directors effective July 8, 2016, the Reporting Persons may be deemed to have beneficial ownership over the Common Shares held by Roivant.
(2) O. Andreas Halvorsen, David C. Ott and Daniel S. Sundheim are Executive Committee members of certain management entities, including Viking Global Partners LLC, the general partner of Viking Global Investors LP ("VGI"), Viking Global Performance LLC ("VGP"), Viking Long Fund GP LLC ("VLFGP") and Viking Global Opportunities GP LLC ("Opportunities GP"), the sole owner of Viking Global Opportunities Portfolio GP LLC ("Opportunities Portfolio GP"). VGI provides managerial services to various investment funds, including Viking Global Equities LP ("VGE"), Viking Global Equities II LP ("VGE II"), VGE III Portfolio Ltd. ("VGE III"), Viking Long Fund Master Ltd. ("VLFM") and Viking Global Opportunities Illiquid Investments Sub-Master LP ("Opportunities Fund", and together with VGE, VGE II, VGE III and VLFM, the "Funds" and the Funds together with VGI, VGP, VLFGP, Opportunities GP, Opportunities Portfolio GP, O. Andreas Halvorsen, David C. Ott and Daniel S. Sundheim, the "Reporting Persons").
(3) VGP is the general partner of VGE and VGE II and the investment manager of VGE III. VLFGP serves as the investment manager of VLFM. Opportunities GP serves as the sole member of Opportunities Portfolio GP. Opportunities Portfolio GP serves as the general partner of Opportunities Fund.
(4) The Reporting Persons disclaim beneficial ownership of these securities except to the extent of their pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of the reported securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), or for any other purpose.
 
Remarks:
(5) The Reporting Persons are jointly filing this Form 3 pursuant to Rule 16a-3(j) under the Exchange Act. (6) Each of O. Andreas Halvorsen, David C. Ott and Daniel S. Sundheim is signing as an Executive Committee Member of VIKING GLOBAL PERFORMANCE LLC, on behalf of itself and VIKING GLOBAL EQUITIES LP, VIKING GLOBAL EQUITIES II LP and VGE III PORTFOLIO LTD., and as an Executive Committee Member of VIKING LONG FUND GP LLC, on behalf of itself and VIKING LONG FUND MASTER LTD. (7) Because no more than 10 reporting persons can file any one Form 3 through the Securities and Exchange Commission's EDGAR system, VGI, Opportunities GP, Opportunities Portfolio GP, Opportunities Fund, O. Andreas Halvorsen, David C. Ott and Daniel S. Sundheim have jointly filed with the Reporting Persons on a separate Form 3 filing submitted on the same day hereof.

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