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    Amendment: SEC Form SCHEDULE 13G/A filed by Energy Vault Holdings Inc.

    5/15/26 9:00:02 PM ET
    $NRGV
    Industrial Machinery/Components
    Miscellaneous
    Get the next $NRGV alert in real time by email



    SECURITIES AND EXCHANGE COMMISSION
    Washington, D.C. 20549


    SCHEDULE 13G


    UNDER THE SECURITIES EXCHANGE ACT OF 1934
    (Amendment No. 1)


    Energy Vault Holdings, Inc.

    (Name of Issuer)


    Common Stock, par value $0.0001 per share

    (Title of Class of Securities)




    29280W109

    (CUSIP Number)
    03/31/2026

    (Date of Event Which Requires Filing of this Statement)


    Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
    Checkbox not checked   Rule 13d-1(b)
    Checkbox checked   Rule 13d-1(c)
    Checkbox not checked   Rule 13d-1(d)




    schemaVersion:


    SCHEDULE 13G

    CUSIP Number(s):
    29280W109


    1Names of Reporting Persons

    SB Investment Advisers (UK) Limited
    2Check the appropriate box if a member of a Group (see instructions)

    Checkbox not checked  (a)
    Checkbox not checked  (b)
    3Sec Use Only
    4Citizenship or Place of Organization

    UNITED KINGDOM
    Number of Shares Beneficially Owned by Each Reporting Person With:
    5Sole Voting Power

    0.00
    6Shared Voting Power

    15,535,631.00
    7Sole Dispositive Power

    0.00
    8Shared Dispositive Power

    15,535,631.00
    9Aggregate Amount Beneficially Owned by Each Reporting Person

    15,535,631.00
    10Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

    Checkbox not checked
    11Percent of class represented by amount in row (9)

    8.9 %
    12Type of Reporting Person (See Instructions)

    CO


    SCHEDULE 13G

    CUSIP Number(s):
    29280W109


    1Names of Reporting Persons

    SoftBank Vision Fund (AIV M2) L.P.
    2Check the appropriate box if a member of a Group (see instructions)

    Checkbox not checked  (a)
    Checkbox not checked  (b)
    3Sec Use Only
    4Citizenship or Place of Organization

    DELAWARE
    Number of Shares Beneficially Owned by Each Reporting Person With:
    5Sole Voting Power

    0.00
    6Shared Voting Power

    15,535,631.00
    7Sole Dispositive Power

    0.00
    8Shared Dispositive Power

    15,535,631.00
    9Aggregate Amount Beneficially Owned by Each Reporting Person

    15,535,631.00
    10Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)

    Checkbox not checked
    11Percent of class represented by amount in row (9)

    8.9 %
    12Type of Reporting Person (See Instructions)

    PN


    SCHEDULE 13G

    Item 1. 
    (a)Name of issuer:

    Energy Vault Holdings, Inc.
    (b)Address of issuer's principal executive offices:

    4165 East Thousand Oaks Blvd., Suite 100, Westlake Village, CA 91362
    Item 2. 
    (a)Name of person filing:

    Each of the following is hereinafter individually referred to as a "Reporting Person" and collectively as the "Reporting Persons." This statement is filed on behalf of: SB Investment Advisers (UK) Limited ("SBIA UK") SoftBank Vision Fund (AIV M2) L.P. ("AIV M2")
    (b)Address or principal business office or, if none, residence:

    The address for SBIA UK is 69 Grosvenor Street, Mayfair, London W1K 3JP, England, United Kingdom. The address for AIV M2 is 1521 Concord Pike, Wilmington, DE 19803.
    (c)Citizenship:

    SBIA UK is organized under the laws of England and Wales. AIV M2 is organized under the laws of the State of Delaware.
    (d)Title of class of securities:

    Common Stock, par value $0.0001 per share
    (e)CUSIP No.:

    29280W109
    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:
    (a)Checkbox not checked   Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
    (b)Checkbox not checked   Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
    (c)Checkbox not checked   Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
    (d)Checkbox not checked   Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
    (e)Checkbox not checked   An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
    (f)Checkbox not checked   An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
    (g)Checkbox not checked   A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
    (h)Checkbox not checked   A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
    (i)Checkbox not checked   A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
    (j)Checkbox not checked   A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
           please specify the type of institution:
    (k)Checkbox not checked   Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
     
    Item 4.Ownership
    (a)Amount beneficially owned:

    The ownership information presented herein represents beneficial ownership of Common Stock as of March 31, 2026, based upon 174,146,636 shares of Common Stock outstanding as of March 31, 2026, as disclosed in the Issuer's definitive proxy statement filed with the Securities and Exchange Commission on April 17, 2026. AIV M2 is the record holder of the securities reported herein. SBIA UK has been appointed as alternative investment fund manager ("AIFM") of AIV M2. SBIA UK is authorized and regulated by the UK Financial Conduct Authority and is exclusively responsible for making all decisions related to the acquisition, structuring, financing, voting and disposal of AIV M2's investments. As a result of these relationships, each of the Reporting Persons may be deemed to share beneficial ownership of the securities reported herein.
    (b)Percent of class:

    8.9%
    (c)Number of shares as to which the person has:
     (i) Sole power to vote or to direct the vote:

    0

     (ii) Shared power to vote or to direct the vote:

    15,535,631

     (iii) Sole power to dispose or to direct the disposition of:

    0

     (iv) Shared power to dispose or to direct the disposition of:

    15,535,631

    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.
     
    Not Applicable
    Item 8.Identification and Classification of Members of the Group.
     
    Not Applicable
    Item 9.Notice of Dissolution of Group.
     
    Not Applicable

    Item 10.Certifications:
     
    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.

        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.

     
    SB Investment Advisers (UK) Limited
     
    Signature:/s/ Amanda Sanchez-Barry
    Name/Title:Amanda Sanchez-Barry, General Counsel
    Date:05/15/2026
     
    SoftBank Vision Fund (AIV M2) L.P.
     
    Signature:By: SB Investment Advisers (UK) Limited, its manager, By: /s/ Amanda Sanchez-Barry
    Name/Title:Amanda Sanchez-Barry, General Counsel
    Date:05/15/2026
    Exhibit Information

    Joint Filing Agreement (previously filed).

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