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    Amendment: SEC Form SCHEDULE 13G/A filed by SS&C Technologies Holdings Inc.

    2/9/26 4:53:28 PM ET
    $SSNC
    Computer Software: Prepackaged Software
    Technology
    Get the next $SSNC 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. 12)


    SS&C Technologies Holdings, Inc.

    (Name of Issuer)


    Common Stock, par value $0.01 per share

    (Title of Class of Securities)


    78467J100

    (CUSIP Number)


    12/31/2025

    (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 not checked   Rule 13d-1(c)
    Checkbox checked   Rule 13d-1(d)






    SCHEDULE 13G

    CUSIP No.
    78467J100


    1Names of Reporting Persons

    William C. Stone
    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 STATES
    Number of Shares Beneficially Owned by Each Reporting Person With:
    5Sole Voting Power

    35,202,277.00
    6Shared Voting Power

    0.00
    7Sole Dispositive Power

    35,202,277.00
    8Shared Dispositive Power

    0.00
    9Aggregate Amount Beneficially Owned by Each Reporting Person

    35,202,277.00
    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)

    14.3 %
    12Type of Reporting Person (See Instructions)

    IN


    SCHEDULE 13G

    Item 1. 
    (a)Name of issuer:

    SS&C Technologies Holdings, Inc.
    (b)Address of issuer's principal executive offices:

    80 Lamberton Road, Windsor, Connecticut 06095
    Item 2. 
    (a)Name of person filing:

    William C. Stone
    (b)Address or principal business office or, if none, residence:

    c/o SS&C Technologies Holdings, Inc., 80 Lamberton Road, Windsor, Connecticut 06095
    (c)Citizenship:

    United States of America
    (d)Title of class of securities:

    Common Stock, par value $0.01 per share
    (e)CUSIP No.:

    78467J100
    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:

    35,202,277 shares of Common Stock (consisting of 32,447,241 shares outstanding and an additional 2,775,036 shares representing RSUs and options to purchase shares vested as of December 31, 2025 and within 60 days thereafter).
    (b)Percent of class:

    14.3  %
    (c)Number of shares as to which the person has:
     (i) Sole power to vote or to direct the vote:

    35,202,277 shares of Common Stock

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

    0 shares

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

    35,202,277 shares of Common Stock

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

    0 shares

    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:
     
    Not Applicable

        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.

     
    William C. Stone
     
    Signature:/William C. Stone/
    Name/Title:Chief Executive Officer
    Date:02/09/2026
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