Filing Details

THE UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 SCHEDULE 13G Under the Securities Exchange Act of 1934 (AMENDMENT NO. 1)* Maravai Lifesciences Holdings Inc (Name of Issuer) CLASS A COMMON STOCK, PAR VALUE $0.01 PER SHARE (Title of Class of Securities) 56600D107 (CUSIP Number) December 31, 2023 (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 disclosures provided in a prior cover page. The information required on 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. 56600D107 1. NAMES OF REPORTING PERSONS 12 West Capital Management LP 45-3076594 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (a) [ ] (b) [ ] 3. SEC USE ONLY 4. CITIZENSHIP OR PLACE OF ORGANIZATION Delaware, United States NUMBER OF SHARES BENEFICIALLY OWNED BY EACH REPORTING PERSON WITH 5. SOLE VOTING POWER: 11,602,988** 6. SHARED VOTING POWER: 0** 7. SOLE DISPOSITIVE POWER: 11,602,988** 8. SHARED DISPOSITIVE POWER: 0** 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON: 11,602,988** 10. CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES [ ] 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9): 8.78% 12. TYPE OF REPORTING PERSON (see instructions): IA **12 West Capital Management LP (12 West Management) serves as the investment manager to 12 West Capital Fund LP, a Delaware limited partnership (12 West Onshore Fund) and 12 West Capital Offshore Fund LP, a Cayman Islands exempted limited partnership (12 West Offshore Fund) and possesses the sole power to vote and the sole power to direct the disposition of all securities of Maravai Lifesciences Holdings Inc (the Company) held by 12 West Onshore Fund and 12 West Offshore Fund. Joel Ramin, as the sole member of 12 West Capital Management, LLC, the general partner of 12 West Management, possesses the voting and dispositive power with respect to all securities beneficially owned by 12 West Management. As of December 31, 2023, The Company had 132,188,600 Class A ordinary shares, par value $0.00003 per share (the Ordinary Shares) outstanding. As of December 31, 2023, 12 West Onshore Fund held 7,301,526 shares of the Company and 12 West Offshore Fund held 4,301,462 shares of the Company. As a result of the foregoing, for purposes of Reg. Section 240.13d-3, 12 West Management is deemed to beneficially own the 11,602,988 shares of the Company, representing 8.78% of the Companys Ordinary Shares deemed issued and outstanding as of December 31, 2023.

Item 1. (a) Name of Issuer Maravai Lifesciences Holdings Inc(b) Address of Issuers Principal Executive Offices 10770 Wateridge Circle Suite 200 San Diego, California, 92121 Item 2. (a) Name of Person Filing 12 West Capital Management LP(b) Address of Principal Business Office, or, If None, Residence: 475 Tenth Avenue, 14th Floor New York, New York 10018(c) Citizenship: 12 West Capital Management LP is a Delaware limited partnership(d) Title of Class of Securities Class A Common Stock, par value $0.01 per share(e) CUSIP Number 56600D107 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 applicableItem 4. Ownership. (a) Amount beneficially owned: 11,602,988** (b) Percent of class: 8.78% (c) Number of shares as to which such person has: (i) Sole power to vote or to direct the vote: 11,602,988** (ii) Shared power to vote or to direct the vote: 0** (iii) Sole power to dispose or to direct the disposition of: 11,602,988** (iv) Shared power to dispose or to direct the disposition of: 0** __________________ **12 West Capital Management LP (12 West Management) serves as the investment manager to 12 West Capital Fund LP, a Delaware limited partnership (12 West Onshore Fund) and 12 West Capital Offshore Fund LP, a Cayman Islands exempted limited partnership (12 West Offshore Fund) and possesses the sole power to vote and the sole power to direct the disposition of all securities of Maravai Lifesciences Holdings Inc (the Company) held by 12 West Onshore Fund and 12 West Offshore Fund. Joel Ramin, as the sole member of 12 West Capital Management, LLC, the general partner of 12 West Management, possesses the voting and dispositive power with respect to all securities beneficially owned by 12 West Management. As of December 31, 2023, The Company had 132,188,600 Class A ordinary shares, par value $0.01 per share (the Ordinary Shares) outstanding. As of December 31, 2023, 12 West Onshore Fund held 7,301,526 shares of the Company and 12 West Offshore Fund held 4,301,462 shares of the Company. As a result of the foregoing, for purposes of Reg. Section 240.13d-3, 12 West Management is deemed to beneficially own the 11,602,988 shares of the Company, representing 8.78% of the Companys Ordinary Shares deemed issued and outstanding as of December 31, 2023.