Roivant Sciences Ltd. — Major Shareholding Notification 2025

Nov 14, 2025

xml version="1.0" encoding="UTF-8"? SCHEDULE 13G/A 0001103804 XXXXXXXX LIVE 6 Common Shares, $0.0000000341740141 par value per share 09/30/2025 0001635088 Roivant Sciences Ltd. G76279101 7th Floor 50 Broadway London X0 SW1H 0DB Rule 13d-1(c) VIKING GLOBAL INVESTORS LP b DE 0 23594831 0 23594831 23594831 N 3.4 PN See Item 4 VIKING GLOBAL PERFORMANCE LLC b DE 0 12504401 0 12504401 12504401 N 1.8 OO See Item 4 Viking Global Equities II LP b DE 0 250088 0 250088 250088 N 0.04 PN See Item 4 Viking Global Equities Master Ltd. b E9 0 12254313 0 12254313 12254313 N 1.8 CO See Item 4 Viking Long Fund GP LLC b DE 0 4851726 0 4851726 4851726 N 0.7 OO See Item 4 Viking Long Fund Master Ltd. b E9 0 4851726 0 4851726 4851726 N 0.7 CO See Item 4 Viking Global Opportunities Parent GP LLC b DE 0 6238704 0 6238704 6238704 N 0.9 OO See Item 4 Viking Global Opportunities GP LLC b DE 0 6238704 0 6238704 6238704 N 0.9 OO See Item 4 Viking Global Opportunities Portfolio GP LLC b DE 0 6238704 0 6238704 6238704 N 0.9 OO See Item 4 Viking Global Opportunities Illiquid Investments Sub-Master LP b E9 0 6238704 0 6238704 6238704 N 0.9 PN See Item 4 HALVORSEN OLE ANDREAS b Q8 0 23594831 0 23594831 23594831 N 3.4 IN See Item 4 Ott David C. b X1 0 23594831 0 23594831 23594831 N 3.4 IN See Item 4 Shabet Rose Sharon b X1 0 23594831 0 23594831 23594831 N 3.4 IN See Item 4 Roivant Sciences Ltd. 7th Floor, 50 Broadway, London, United Kingdom, SW1H 0DB Viking Global Investors LP ("VGI"), Viking Global Performance LLC ("VGP"), Viking Global Equities II LP ("VGEII"), Viking Global Equities Master Ltd. ("VGEM"), Viking Long Fund GP LLC ("VLFGP"), Viking Long Fund Master Ltd. ("VLFM"), Viking Global Opportunities Parent GP LLC ("Opportunities Parent"), Viking Global Opportunities GP LLC ("Opportunities GP"), Viking Global Opportunities Portfolio GP LLC ("Opportunities Portfolio GP"), Viking Global Opportunities Illiquid Investments Sub-Master LP ("VGOP"), O. Andreas Halvorsen, David C. Ott and Rose S. Shabet (collectively, the "Reporting Persons") The business address of each of the Reporting Persons is: 600 Washington Boulevard, Floor 11, Stamford, Connecticut 06901. VGI and VGEII are Delaware limited partnerships; VGP, VLFGP, Opportunities Parent, Opportunities GP and Opportunities Portfolio GP are Delaware limited liability companies; VGEM and VLFM are Cayman Islands exempted companies; VGOP is a Cayman Islands exempted limited partnership; O. Andreas Halvorsen is a citizen of Norway; and David C. Ott and Rose S. Shabet are citizens of the United States. Y VGI: 23,594,831 VGI provides managerial services to VGEII, VGEM, VLFM and VGOP. VGI has the authority to dispose of and vote the Common Shares directly owned by VGEII, VGEM, VLFM and VGOP. VGI does not directly own any Common Shares. Based on Rule 13d-3 under the Securities Exchange Act of 1934, as amended (the "Act"), VGI may be deemed to beneficially own the Common Shares directly held by VGEII, VGEM, VLFM and VGOP. VGP: 12,504,401 VGP, as the general partner of VGEII, has the authority to dispose of and vote the Common Shares directly owned by VGEII. VGP serves as investment manager to VGEM and has the authority to dispose of and vote the Common Shares directly owned by VGEM. VGP does not directly own any Common Shares. Based on Rule 13d-3 under the Act, VGP may be deemed to beneficially own the Common Shares directly held by VGEII and VGEM. VGEII: 250,088 VGEII has the authority to dispose of and vote the Common Shares directly owned by it, which power may be exercised by its general partner, VGP, and by VGI, an affiliate of VGP, which provides managerial services to VGEII. VGEM: 12,254,313 VGEM has the authority to dispose of and vote the Common Shares directly owned by it, which power may be exercised by its investment manager, VGP, and by VGI, an affiliate of VGP, which provides managerial services to VGEM. Viking Global Equities LP (a Delaware limited partnership) and Viking Global Equities III Ltd. (a Cayman Islands exempted company), through its investment in VGE III Portfolio Ltd. (a Cayman Islands exempted company), invest substantially all of their assets through VGEM. VLFGP: 4,851,726 VLFGP serves as the investment manager of VLFM and has the authority to dispose of and vote the Common Shares directly owned by VLFM. VLFGP does not directly own any Common Shares. Based on Rule 13d-3 under the Act, VLFGP may be deemed to beneficially own the Common Shares directly held by VLFM. VLFM: 4,851,726 VLFM has the authority to dispose of and vote the Common Shares directly owned by it, which power may be exercised by its investment manager, VLFGP, and by VGI, an affiliate of VLFGP, which provides managerial services to VLFM. Viking Long Fund LP (a Delaware limited partnership) and Viking Long Fund III Ltd. (a Cayman Islands exempted company), through its investment in Viking Long Fund Intermediate L.P. (a Cayman Islands limited partnership), invest substantially all of their assets through VLFM. Opportunities Parent: 6,238,704 Opportunities Parent is the sole member of Opportunities GP, which has the authority to dispose of and vote the Common Shares controlled by Opportunities Portfolio GP, which consists of the Common Shares directly held by VGOP. Opportunities Parent does not directly own any Common Shares. Based on Rule 13d-3 under the Act, Opportunities Parent may be deemed to beneficially own the Common Shares directly held by VGOP. Opportunities GP: 6,238,704 Opportunities GP serves as the sole member of Opportunities Portfolio GP and has the authority to dispose of and vote the Common Shares controlled by Opportunities Portfolio GP, which consists of the Common Shares directly held by VGOP. Opportunities GP does not directly own any Common Shares. Based on Rule 13d-3 under the Act, Opportunities GP may be deemed to beneficially own the Common Shares directly held by VGOP. Opportunities Portfolio GP: 6,238,704 Opportunities Portfolio GP serves as the general partner of VGOP and has the authority to dispose of and vote the Common Shares directly owned by VGOP. Opportunities Portfolio GP does not directly own any Common Shares. Based on Rule 13d-3 under the Act, Opportunities Portfolio GP may be deemed to beneficially own the Common Shares directly held by VGOP. VGOP: 6,238,704 VGOP has the authority to dispose of and vote the Common Shares directly owned by it, which power may be exercised by its general partner, Opportunities Portfolio GP, and by VGI, an affiliate of Opportunities Portfolio GP, which provides managerial services to VGOP. Viking Global Opportunities LP (a Delaware limited partnership) and Viking Global Opportunities III LP (a Cayman Islands exempted limited partnership), through its investment in Viking Global Opportunities Intermediate LP (a Cayman Islands exempted limited partnership), invest substantially all of their assets in Viking Global Opportunities Master LP (a Cayman Islands exempted limited partnership), which in turn invests through VGOP. O. Andreas Halvorsen, David C. Ott and Rose S. Shabet: 23,594,831 Mr. Halvorsen, Mr. Ott and Ms. Shabet, as Executive Committee Members of Viking Global Partners LLC (general partner of VGI), VGP, VLFGP and Opportunities Parent, have shared authority to dispose of and vote the Common Shares beneficially owned by VGI, VGP, VLFGP and Opportunities Parent. None of Mr. Halvorsen, Mr. Ott and Ms. Shabet directly owns any Common Shares. Based on Rule 13d-3 under the Act, each may be deemed to beneficially own the Common Shares directly held by VGEII, VGEM, VLFM and VGOP. Mr. Halvorsen, Mr. Ott and Ms. Shabet each beneficially own 23,594,831 Common Shares consisting of (i) 250,088 Common Shares directly and beneficially owned by VGEII, (ii) 12,254,313 Common Shares directly and beneficially owned by VGEM, (iii) 4,851,726 Common Shares directly and beneficially owned by VLFM and (iv) 6,238,704 Common Shares directly and beneficially owned by VGOP. The percentages set forth herein are based on 689,697,370 Common Shares outstanding as of September 30, 2025, as reported by the Issuer in its quarterly report on Form 10-Q, filed with the U.S. Securities and Exchange Commission (the "Commission") on November 10, 2025. VGI: 3.4% VGP: 1.8% VGEII: 0.04% VGEM: 1.8% VLFGP: 0.7% VLFM: 0.7% Opportunities Parent: 0.9% Opportunities GP: 0.9% Opportunities Portfolio GP: 0.9% VGOP: 0.9% O. Andreas Halvorsen, David C. Ott and Rose S. Shabet: 3.4% VGI: 0 VGP: 0 VGEII: 0 VGEM: 0 VLFGP: 0 VLFM: 0 Opportunities Parent: 0 Opportunities GP: 0 Opportunities Portfolio GP: 0 VGOP: 0 O. Andreas Halvorsen, David C. Ott and Rose S. Shabet: 0 VGI: 23,594,831 VGP: 12,504,401 VGEII: 250,088 VGEM: 12,254,313 VLFGP: 4,851,726 VLFM: 4,851,726 Opportunities Parent: 6,238,704 Opportunities GP: 6,238,704 Opportunities Portfolio GP: 6,238,704 VGOP: 6,238,704 O. Andreas Halvorsen, David C. Ott and Rose S. Shabet: 23,594,831 VGI: 0 VGP: 0 VGEII: 0 VGEM: 0 VLFGP: 0 VLFM: 0 Opportunities Parent: 0 Opportunities GP: 0 Opportunities Portfolio GP: 0 VGOP: 0 O. Andreas Halvorsen, David C. Ott and Rose S. Shabet: 0 VGI: 23,594,831 VGP: 12,504,401 VGEII: 250,088 VGEM: 12,254,313 VLFGP: 4,851,726 VLFM: 4,851,726 Opportunities Parent: 6,238,704 Opportunities GP: 6,238,704 Opportunities Portfolio GP: 6,238,704 VGOP: 6,238,704 O. Andreas Halvorsen, David C. Ott and Rose S. Shabet: 23,594,831 N Y N The response to Item 4 is incorporated by reference herein. Y Y Y N 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, other than activities solely in connection with a nomination under ?? 240.14a-11. EXHIBIT A - JOINT FILING AGREEMENT VIKING GLOBAL INVESTORS LP /s/ Scott M. Hendler Scott M. Hendler on behalf of Viking Global Investors LP (1)(2)(3) 11/14/2025 VIKING GLOBAL PERFORMANCE LLC /s/ Scott M. Hendler Scott M. Hendler on behalf of Viking Global Performance LLC (1)(2)(3) 11/14/2025 Viking Global Equities II LP /s/ Scott M. Hendler Scott M. Hendler on behalf of Viking Global Equities II LP (1)(2)(3) 11/14/2025 Viking Global Equities Master Ltd. /s/ Scott M. Hendler Scott M. Hendler on behalf of Viking Global Equities Master Ltd. (1)(2)(3) 11/14/2025 Viking Long Fund GP LLC /s/ Scott M. Hendler Scott M. Hendler on behalf of Viking Long Fund GP LLC (1)(2)(3) 11/14/2025 Viking Long Fund Master Ltd. /s/ Scott M. Hendler Scott M. Hendler on behalf of Viking Long Fund Master Ltd. (1)(2)(3) 11/14/2025 Viking Global Opportunities Parent GP LLC /s/ Scott M. Hendler Scott M. Hendler on behalf of Viking Global Opportunities Parent GP LLC (1)(2)(3) 11/14/2025 Viking Global Opportunities GP LLC /s/ Scott M. Hendler Scott M. Hendler on behalf of Viking Global Opportunities GP LLC (1)(2)(3) 11/14/2025 Viking Global Opportunities Portfolio GP LLC /s/ Scott M. Hendler Scott M. Hendler on behalf of Viking Global Opportunities Portfolio GP LLC (1)(2)(3) 11/14/2025 Viking Global Opportunities Illiquid Investments Sub-Master LP /s/ Scott M. Hendler Scott M. Hendler on behalf of Viking Global Opportunities Illiquid Investments Sub-Master LP (1)(2)(3) 11/14/2025 HALVORSEN OLE ANDREAS /s/ Scott M. Hendler Scott M. Hendler on behalf of O. Andreas Halvorsen (1) 11/14/2025 Ott David C. /s/ Scott M. Hendler Scott M. Hendler on behalf of David C. Ott (2) 11/14/2025 Shabet Rose Sharon /s/ Scott M. Hendler Scott M. Hendler on behalf of Rose S. Shabet (3) 11/14/2025 (1) Scott M. Hendler is signing on behalf of O. Andreas Halvorsen, individually and as an Executive Committee Member of VIKING GLOBAL PARTNERS LLC, on behalf of VIKING GLOBAL INVESTORS LP, and as an Executive Committee Member of VIKING GLOBAL PERFORMANCE LLC, on behalf of itself and VIKING GLOBAL EQUITIES II LP and VIKING GLOBAL EQUITIES MASTER LTD., and as an Executive Committee Member of VIKING LONG FUND GP LLC, on behalf of itself and VIKING LONG FUND MASTER LTD., and as an Executive Committee Member of VIKING GLOBAL OPPORTUNITIES PARENT GP LLC, on behalf of itself and VIKING GLOBAL OPPORTUNITIES GP LLC, VIKING GLOBAL OPPORTUNITIES PORTFOLIO GP LLC, and VIKING GLOBAL OPPORTUNITIES ILLIQUID INVESTMENTS SUB-MASTER LP, pursuant to an authorization and designation letter dated February 9, 2021, which was previously filed with the Commission as an exhibit to a Form 13G filed by Mr. Halvorsen on February 12, 2021 (SEC File No. 005-49737). (2) Scott M. Hendler is signing on behalf of David C. Ott, individually and as an Executive Committee Member of VIKING GLOBAL PARTNERS LLC, on behalf of VIKING GLOBAL INVESTORS LP, and as an Executive Committee Member of VIKING GLOBAL PERFORMANCE LLC, on behalf of itself and VIKING GLOBAL EQUITIES II LP and VIKING GLOBAL EQUITIES MASTER LTD., and as an Executive Committee Member of VIKING LONG FUND GP LLC, on behalf of itself and VIKING LONG FUND MASTER LTD., and as an Executive Committee Member of VIKING GLOBAL OPPORTUNITIES PARENT GP LLC, on behalf of itself and VIKING GLOBAL OPPORTUNITIES GP LLC, VIKING GLOBAL OPPORTUNITIES PORTFOLIO GP LLC, and VIKING GLOBAL OPPORTUNITIES ILLIQUID INVESTMENTS SUB-MASTER LP, pursuant to an authorization and designation letter dated February 9, 2021, which was previously filed with the Commission as an exhibit to a Form 13G filed by Mr. Ott on February 12, 2021 (SEC File No. 005-49737). (3) Scott M. Hendler is signing on behalf of Rose S. Shabet, individually and as an Executive Committee Member of VIKING GLOBAL PARTNERS LLC, on behalf of VIKING GLOBAL INVESTORS LP, and as an Executive Committee Member of VIKING GLOBAL PERFORMANCE LLC, on behalf of itself and VIKING GLOBAL EQUITIES II LP and VIKING GLOBAL EQUITIES MASTER LTD., and as an Executive Committee Member of VIKING LONG FUND GP LLC, on behalf of itself and VIKING LONG FUND MASTER LTD., and as an Executive Committee Member of VIKING GLOBAL OPPORTUNITIES PARENT GP LLC, on behalf of itself and VIKING GLOBAL OPPORTUNITIES GP LLC, VIKING GLOBAL OPPORTUNITIES PORTFOLIO GP LLC, and VIKING GLOBAL OPPORTUNITIES ILLIQUID INVESTMENTS SUB-MASTER LP, pursuant to an authorization and designation letter dated February 9, 2021, which was previously filed with the Commission as an exhibit to a Form 13G filed by Ms. Shabet on February 12, 2021 (SEC File No. 005-49737).