sc13g

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 13G

Under the Securities Exchange Act of 1934
(Amendment No. )*

SS&C Technologies Holdings, Inc.
(Name of Issuer)
Common Stock, par value $0.01 per share
(Title of Class of Securities)
78467J100
(CUSIP Number)
December 31, 2010
(Date of Event Which Requires Filing of this Statement)

Check the appropriate box to designate the rule pursuant to which this Schedule is filed:

     o Rule 13d-1(b)

     o Rule 13d-1(c)

     þ 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 (“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.
  
78467J100 
  

 

           
1   NAMES OF REPORTING PERSONS
William C. Stone
     
     
2   CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP (SEE INSTRUCTIONS)
  (a)   o
  (b)   o
     
3   SEC USE ONLY
   
   
     
4   CITIZENSHIP OR PLACE OF ORGANIZATION
   
  United States of America
       
  5   SOLE VOTING POWER
     
NUMBER OF   17,522,000 (1)
       
SHARES 6   SHARED VOTING POWER
BENEFICIALLY    
OWNED BY   0
       
EACH 7   SOLE DISPOSITIVE POWER
REPORTING    
PERSON   17,522,000 (1)
       
WITH: 8   SHARED DISPOSITIVE POWER
     
    0
     
9   AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
   
  17,522,000 (1)
     
10   CHECK IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN SHARES (SEE INSTRUCTIONS)
   
  o
     
11   PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)
   
  22.5%
     
12   TYPE OF REPORTING PERSON (SEE INSTRUCTIONS)
   
  IN
(1) Consists of 14,214,589 shares and options to purchase 3,307,411 shares vested as of February 11, 2011 and within 60 days thereof.

Page 2 of 5

 

                     
CUSIP No.
  
78467J100 
  
             
Item 1   (a)   Name of Issuer
 
            
        SS&C Technologies Holdings, Inc.
 
            
    (b)   Address of Issuer’s Principal Executive Office
 
            
        80 Lamberton Road
Windsor, Connecticut 06095
 
            
Item 2   (a)   Names of Person Filing
 
            
        William C. Stone
 
            
    (b)   Address of Principal Business Office
 
            
        The address of the principal business office of the Reporting Persons is:
 
            
        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 Number
 
            
        78467J100
 
            
Item 3       This statement is not being filed pursuant to either Rule 13d-1(b) or 13d-2(b) or (c).
 
            
Item 4       Ownership
 
            
    (a)   Amount Beneficially owned: 17,522,000 shares of Common Stock
 
            
    (b)   Percent of class:
22.5%
 
            
    (c)   Number of Shares as to which the Reporting Person has:
 
            
 
      (i)   Sole power to vote or to direct the vote 17,522,000 shares of Common Stock

Page 3 of 5

 

 

                     
CUSIP No.
  
78467J100 
  
             
 
      (ii)   Shared power to vote or to direct the vote 0 shares
 
            
 
      (iii)   Sole power to dispose or direct the disposition of 17,522,000 shares of Common Stock
 
            
 
      (iv)   Shared power to dispose or to direct the disposition of 0 shares
 
            
Item 5       Ownership of Five Percent or Less of a Class
 
            
        If this statement is being filed to report the fact that as of the date hereof the Reporting Person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following o.
 
            
        Not applicable.
 
            
Item 6       Ownership of More than Five Percent on Behalf of Another Person
 
            
        Not applicable.
 
            
Item 7       Identification and Classification of 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
 
            
        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.

Page 4 of 5

 

 

SIGNATURES
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.
         
     
Dated: February 11, 2011  /s/ William C. Stone    
  Name:   William C. Stone   
     
 

Page 5 of 5