Ownership Submission
FORM 3
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

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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(Print or Type Responses)
1. Name and Address of Reporting Person *
  STONE WILLIAM C
2. Date of Event Requiring Statement (Month/Day/Year)
03/30/2010
3. Issuer Name and Ticker or Trading Symbol
SS&C Technologies Holdings Inc [SSNC]
(Last)
(First)
(Middle)
C/O SS&C TECHNOLOGIES HOLDINGS, INC., 80 LAMBERTON ROAD
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Chairman of the Board & CEO
5. If Amendment, Date Original Filed(Month/Day/Year)
03/30/2010
(Street)

WINDSOR, CT 06095
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 Beneficially Owned
1.Title of Security
(Instr. 4)
2. Amount of Securities Beneficially Owned
(Instr. 4)
3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)
4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Class A Non-Voting Common Stock 791,346 (1)
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)
2. Date Exercisable and Expiration Date
(Month/Day/Year)
3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)
4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)
6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
STONE WILLIAM C
C/O SS&C TECHNOLOGIES HOLDINGS, INC.
80 LAMBERTON ROAD
WINDSOR, CT 06095
  X   X   Chairman of the Board & CEO  

Signatures

Stephen B. Hudak III, attorney-in-fact for William C. Stone 03/29/2011
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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).
(1) These shares include 153,846 shares of Class A Non-Voting Common Stock that were omitted from the reporting person's original Form 3. Such shares were omitted from the two Forms 4 filed by the reporting person after his original Form 3 was filed. The total of 791,346 shares represents the originally reported 637,500 shares plus the omitted 153,846 shares.

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