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 *
  MCINERNEY THOMAS E
2. Date of Event Requiring Statement (Month/Day/Year)
09/24/2009
3. Issuer Name and Ticker or Trading Symbol
SELECT MEDICAL HOLDINGS CORP [SEM]
(Last)
(First)
(Middle)
C/O WELSH, CARSON, ANDERSON & STOWE, 320 PARK AVENUE, SUITE 2500
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)

NEW YORK, NY 10022
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)
Common Stock 487,063
D
 
Common Stock 24,257,155
I
By Welsh, Carson, Anderson & Stowe IX, L.P. (1)
Common Stock 1,086,991
I
By WCAS Capital Partners IV, L.P. (1)

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
Participating Preferred Stock   (2)   (2) Common Stock 29,604,047 (3) $ 0 (2) I By Welsh, Carson, Anderson & Stowe IX, L.P. (1)
Participating Preferred Stock   (2)   (2) Common Stock 1,326,591 (3) $ 0 (2) I By WCAS Capital Partners IV, L.P. (1)
Participating Preferred Stock   (2)   (2) Common Stock 594,424 (3) $ 0 (2) D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
MCINERNEY THOMAS E
C/O WELSH, CARSON, ANDERSON & STOWE
320 PARK AVENUE, SUITE 2500
NEW YORK, NY 10022
    X    

Signatures

/s/ David Mintz, Attorney-in-fact 09/24/2009
**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) The Reporting Person is a managing member of the respective sole general partners of Welsh, Carson, Anderson & Stowe IX, L.P. and WCAS Capital Partners IV, L.P. Pursuant to Instruction (5)(b)(iv) of Form 3, the Reporting Person has elected to report as indirectly beneficially owned the entire number of securities beneficially owned by each such entity. The Reporting Person disclaims beneficial ownership of any securities, and any proceeds thereof, that exceed his pecuniary interest therein and/or that are not actually distributed to him.
(2) All shares of Participating Preferred Stock will automatically convert into Common Stock upon consummation of the Issuer's initial public offering.
(3) Represents the number of shares of Common Stock to be received upon the conversion of the Participating Preferred Stock into Common Stock, assuming (i) an initial public offering price of $12.00 per share of Common Stock and (ii) a closing date of the initial public offering of September 30, 2009.

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