SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 ----------------- SCHEDULE 13G (Rule 13d-102) INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT TO RULES 13d-1(b), (c), AND (d) AND AMENDMENTS THERETO FILED PURSUANT TO 13d-2(b) (Amendment No. 8)* SS&C Technologies, Inc. ----------------------- (Name of Issuer) Common Stock, $.01 par value per share -------------------------------------- (Title of Class of Securities) 85227Q 10 0 ----------- (CUSIP Number) December 31, 2003 ----------------- (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) [ ] Rule 13d-1(c) [X] 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 the disclosures provided in a prior cover page. The information required in 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 (the "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. 85227Q 10 0 Page 2 of 5 SCHEDULE 13G -------------------------------------------------------------------------------- 1. NAME OF REPORTING PERSON: William C. Stone I.R.S. IDENTIFICATION NUMBER OF ABOVE PERSON (ENTITIES ONLY): Not Applicable -------------------------------------------------------------------------------- 2. CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP: (a) Not Applicable (b) -------------------------------------------------------------------------------- 3. SEC USE ONLY -------------------------------------------------------------------------------- 4. CITIZENSHIP OR PLACE OF ORGANIZATION: United States of America -------------------------------------------------------------------------------- NUMBER OF 5. SOLE VOTING POWER: 4,653,429 Shares SHARES --------------------------------------------------------------- BENEFICIALLY 6. SHARED VOTING POWER: 0 Shares OWNED BY EACH --------------------------------------------------------------- REPORTING 7. SOLE DISPOSITIVE POWER: 4,653,429 Shares PERSON WITH --------------------------------------------------------------- 8. SHARED DISPOSITIVE POWER: 0 Shares -------------------------------------------------------------------------------- 9. AGGREGATE AMOUNT BENEFICIALLY OWNED BY REPORTING PERSON: 4,653,429 Shares -------------------------------------------------------------------------------- 10. CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES: Not Applicable -------------------------------------------------------------------------------- 11. PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9: 37.0% -------------------------------------------------------------------------------- 12. TYPE OF REPORTING PERSON: IN -------------------------------------------------------------------------------- CUSIP No. 85227Q 10 0 Page 3 of 5 SCHEDULE 13G Item 1(a). Name of Issuer. SS&C Technologies, Inc. Item 1(b). Address of Issuer's Principal Executive Offices: 80 Lamberton Road Windsor, CT 06095 Item 2(a). Name of Person Filing: William C. Stone Item 2(b). Address of Principal Business Office or, if None, Residence: SS&C Technologies, Inc. 80 Lamberton Road Windsor, CT 06095 Item 2(c). Citizenship: United States of America Item 2(d). Title of Class of Securities: Common Stock, $.01 par value per share Item 2(e). CUSIP Number: 85227Q 10 0 Item 3. If This Statement is Filed Pursuant to Rule 13d-1(b), or 13d-2(b) or (c), Check Whether the Person Filing is a: Not Applicable Item 4. Ownership. (a) Amount beneficially owned: 4,653,429* shares (b) Percent of class: 37.0% CUSIP No. 85227Q 10 0 Page 4 of 5 SCHEDULE 13G (c) Number of shares as to which such person has: (i) sole power to vote or to direct the vote: 4,653,429* shares (ii) shared power to vote or to direct the vote: 0 shares (iii) sole power to dispose or to direct the disposition of: 4,653,429* shares (iv) shared power to dispose or to direct the disposition of: 0 shares * Includes 168,749 shares subject to outstanding stock options that are exercisable within the 60-day period following December 31, 2003. Item 5. Ownership of Five Percent or Less of a Class. Not Applicable Item 6. Ownership of More Than Five 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. Certification. Not Applicable CUSIP No. 85227Q 10 0 Page 5 of 5 SCHEDULE 13G 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. /s/ William C. Stone ---------------------------------- Date: February 12, 2004 William C. Stone