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 *
  TCG HOLDINGS LLC
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 THE CARLYLE GROUP, 1001 PENNSYLVANIA AVE, NW, STE 220 S
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

WASHINGTON, DC 20004
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ 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)
Common Stock 43,469,799
I
See footnotes (1) (2)

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
TCG HOLDINGS LLC
C/O THE CARLYLE GROUP
1001 PENNSYLVANIA AVE, NW, STE 220 S
WASHINGTON, DC 20004
    X    
Carlyle Partners IV L P
C/O THE CARLYLE GROUP
1001 PENNSYLVANIA AVE, NW, STE 220 S
WASHINGTON, DC 20004
    X    
TC Group IV, L.P.
C/O THE CARLYLE GROUP
1001 PENNSYLVANIA AVE, NW, STE 220 S
WASHINGTON, DC 20004
    X    
TC Group IV Managing GP, L.L.C.
C/O THE CARLYLE GROUP
1001 PENNSYLVANIA AVE, NW, STE 220 S
WASHINGTON, DC 20004
    X    
TC GROUP LLC
C/O THE CARLYLE GROUP
1001 PENNSYLVANIA AVE, NW, STE 220 S
WASHINGTON, DC 20004
    X    

Signatures

/s/ Daniel A. D?Aniello, Managing Director 03/30/2010
**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) Carlyle Partners IV, L.P. and CP IV Coinvestment, L.P. are the record holders of 41,782,345 and 1,687,454 shares of common stock, respectively. TCG Holdings, L.L.C. exercises investment discretion and control over the shares held by each of Carlyle Partners IV, L.P. and CP IV Coinvestment, L.P. through its indirect subsidiary, TC Group IV, L.P., which is the sole general partner of each of Carlyle Partners IV, L.P. and CP IV Coinvestment, L.P. TCG Holdings, L.L.C. is the managing member of TC Group, L.L.C. TC Group, L.L.C. is the sole managing member of TC Group IV Managing GP, L.L.C. TC Group IV Managing GP, L.L.C. is the sole general partner of TC Group IV, L.P.
(2) TCG Holdings, L.L.C. is managed by a three person managing board, and all board action relating to the voting or disposition of these shares requires approval of a majority of the board. William E. Conway, Jr., Daniel A. D'Aniello and David M. Rubenstein, as the members of the TCG Holdings, L.L.C. managing board, may be deemed to share beneficial ownership of the shares beneficially owned by TCG Holdings, L.L.C. Such persons disclaim such beneficial ownership.
 
Remarks:
Exhibit List

Exhibit 99 - Joint Filer Information

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