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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1. Name and Address of Reporting Person *   KKR PRA Investors L.P. 2. Date of Event Requiring Statement (Month/Day/Year) 11/12/2014 3. Issuer Name and Ticker or Trading Symbol PRA Health Sciences, Inc. [PRAH] (Last) (First) (Middle) C/O KOHLBERG KRAVIS ROBERTS & CO. L.P.,, 9 WEST 57TH STREET, SUITE 4200 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 10019 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 39,933,657 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
KKR PRA Investors L.P. C/O KOHLBERG KRAVIS ROBERTS & CO. L.P., 9 WEST 57TH STREET, SUITE 4200 NEW YORK, NY 10019	Â	  X	Â	Â
KKR PRA Investors GP LLC C/O KOHLBERG KRAVIS ROBERTS & CO. L.P., 9 WEST 57TH STREET, SUITE 4200 NEW YORK, NY 10019	Â	  X	Â	Â
KKR North America Fund XI L.P. C/O KOHLBERG KRAVIS ROBERTS & CO. L.P., 9 WEST 57TH STREET, SUITE 4200 NEW YORK, NY 10019	Â	  X	Â	Â
KKR Associates North America XI L.P. C/O KOHLBERG KRAVIS ROBERTS & CO. L.P., 9 WEST 57TH STREET, SUITE 4200 NEW YORK, NY 10019	Â	  X	Â	Â
KKR North America XI Ltd C/O KOHLBERG KRAVIS ROBERTS & CO. L.P., 9 WEST 57TH STREET, SUITE 4200 NEW YORK, NY 10019	Â	  X	Â	Â

Signatures

KKR PRA INVESTORS L.P. By: KKR PRA Investors GP LLC, its general partner By: /s/ Terence Gallagher Name: Terence Gallagher Title: Attorney-in-fact for William J. Janetschek, Vice President		11/12/2014
**Signature of Reporting Person		Date
KKR PRA INVESTORS GP LLC By: /s/ Terence Gallagher Name: Terence Gallagher Title: Attorney-in-fact for William J. Janetschek, Vice President		11/12/2014
**Signature of Reporting Person		Date
KKR NORTH AMERICA FUND XI L.P. By: KKR Associates North America XI L.P., its general partner By: KKR North America XI Limited, its general partner By: /s/ Terence Gallagher Name:Terence Gallagher Title:Attorney-in-fact for William J. Janetschek, Director		11/12/2014
**Signature of Reporting Person		Date
KKR ASSOCIATES NORTH AMERICA XI L.P. By: KKR North America XI Limited, its general partner By: /s/ Terence Gallagher Name: Terence Gallagher Title: Attorney-in-fact for William J. Janetschek, Director		11/12/2014
**Signature of Reporting Person		Date
KKR NORTH AMERICA XI LIMITED By: /s/ Terence Gallagher Name: Terence Gallagher Title: Attorney-in-fact for William J. Janetschek, Director		11/12/2014
**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)	Securities are held by KKR PRA Investors L.P. KKR PRA Investors GP LLC is the sole general partner of KKR PRA Investors L.P. KKR North America Fund XI L.P. is the sole member of KKR PRA Investors GP LLC. KKR Associates North America XI L.P. is the general partner of KKR North America Fund XI L.P. KKR North America XI Limited is the general partner of KKR Associates North America XI L.P. KKR Fund Holdings L.P. is the sole shareholder of KKR North America XI Limited. KKR Fund Holdings GP Limited is a general partner of KKR Fund Holdings L.P. KKR Group Holdings L.P. is the sole shareholder of KKR Fund Holdings GP Limited and a general partner of KKR Fund Holdings L.P. KKR Group Limited is the general partner of KKR Group Holdings L.P. KKR & Co. L.P. is the sole shareholder of KKR Group Limited. KKR Management LLC is the general partner of KKR & Co. L.P. Messrs. Henry R. Kravis and George R. Roberts are the designated members of KKR Management LLC.
(2)	Each of the Reporting Persons (other than KKR PRA Investors L.P.), disclaims beneficial ownership of the securities reported herein except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, each of the Reporting Persons (other than KKR PRA Investors L.P.) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.
  Remarks: Because no more than 10 reporting persons can file any one Form 3 through the Securities and Exchange Commission's EDGAR system, KKR Fund Holdings L.P., KKR Fund Holdings GP Limited, KKR Group Holdings L.P., KKR Group Limited, KKR & Co. L.P., KKR Management LLC and Messrs. Henry R. Kravis and George R. Roberts have filed a separate Form 3. Exhibit 24: Power of Attorney

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