Sec Form 4/A Filing - Kanwar Rahul @ SS&C Technologies Holdings Inc - 2013-05-17

FORM 4/A Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person Kanwar Rahul 2. Issuer Name and Ticker or Trading Symbol SS&C Technologies Holdings Inc [ SSNC] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) Senior Vice President (Last) (First) (Middle) 80 LAMBERTON ROAD 3. Date of Earliest Transaction (MM/DD/YY) 05/17/2013 (Street) WINDSOR, CT06095 4. If Amendment, Date Original Filed (MM/DD/YY) 05/20/2013 6. Individual or Joint/Group Filing (Check Applicable Line) __ X __ Form filed by One Reporting Person _____ Form filed by More than One Reporting Person (City) (State) (Zip)

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 05/17/2013 M 90,607 ( 1 ) A $ 8.77 90,607 D Common Stock 05/17/2013 S 90,607 ( 1 ) D $ 31.9171 0 D

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Stock Option (right to buy) $ 8.77 05/17/2013 M 90,607 ( 1 ) 12/31/2007( 2 ) 08/09/2016 Common Stock 90,607 $ 0 60,220 ( 3 ) D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Kanwar Rahul 80 LAMBERTON ROAD WINDSOR, CT06095 Senior Vice President Signatures Paul G. Igoe, Attorney-in-fact for Rahul Kanwar 06/03/2013 Signature of Reporting Person Date

Explanation of Responses:

( 1 )On May 20, 2013, the reporting person mistakenly filed a Form 4 reporting the exercise and sale of 92,827 stock options on May 17, 2013 based on a report issued by the reporting persons broker. In fact, the reporting person exercised and sold 90,607 stock options on May 17, 2013. ( 2 )The option is a "performance-based" option that vested on various dates between December 31, 2007 and December 31, 2011 based on the satisfaction of established performance targets. ( 3 )Amount is net of exercise of 10,000 stock options exercised by reporting person on May 17, 2013.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

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