PRA Health Sciences, Inc. (Form: 3, Received: 11/12/2014 19:52:35)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^*
KKR Fund Holdings L.P.
2. Date of Event Requiring Statement (MM/DD/YYYY) 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)

(Street)
NEW YORK, NY 10019

(City)              (State)              (Zip) 5. If Amendment, Date Original Filed (MM/DD/YYYY)

6. Individual or Joint/Group Filing (Check Applicable Line)
___ Form filed by One Reporting Person
_ X _ Form filed by More than One Reporting Person

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 39933657 I See Footnotes ⁽¹⁾ ⁽²⁾

Table II - Derivative Securities Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities)

1. Title of Derivate Security
(Instr. 4) 2. Date Exercisable and Expiration Date
(MM/DD/YYYY) 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

Explanation of Responses:

(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 PRA Investors L.P., KKR PRA Investors GP LLC, KKR North America Fund XI L.P., KKR Associates North America XI L.P. and KKR North America XI Limited have filed a separate Form 3. Exhibit 24: Power of Attorney

Reporting Owners

Reporting Owner Name / Address Relationships

Director 10% Owner Officer Other

KKR Fund Holdings L.P.
C/O KOHLBERG KRAVIS ROBERTS & CO. L.P.,
9 WEST 57TH STREET, SUITE 4200
NEW YORK, NY 10019
X

KKR Fund Holdings GP Ltd
C/O KOHLBERG KRAVIS ROBERTS & CO. L.P.,
9 WEST 57TH STREET, SUITE 4200
NEW YORK, NY 10019
X

KKR Group Holdings L.P.
C/O KOHLBERG KRAVIS ROBERTS & CO. L.P.,
9 WEST 57TH STREET, SUITE 4200
NEW YORK, NY 10019
X

KKR Group Ltd
C/O KOHLBERG KRAVIS ROBERTS & CO. L.P.,
9 WEST 57TH STREET, SUITE 4200
NEW YORK, NY 10019
X

KKR & Co. L.P.
C/O KOHLBERG KRAVIS ROBERTS & CO. L.P.,
9 WEST 57TH STREET, SUITE 4200
NEW YORK, NY 10019
X

KKR Management LLC
C/O KOHLBERG KRAVIS ROBERTS & CO. L.P.,
9 WEST 57TH STREET, SUITE 4200
NEW YORK, NY 10019
X

KRAVIS HENRY R
C/O KOHLBERG KRAVIS ROBERTS & CO. L.P.,
9 WEST 57TH STREET, SUITE 4200
NEW YORK, NY 10019
X

ROBERTS GEORGE R
C/O KOHLBERG KRAVIS ROBERTS & CO. L.P.,
9 WEST 57TH STREET, SUITE 4200
NEW YORK, NY 10019
X

Signatures

KKR FUND HOLDINGS L.P. By: KKR Group Limited, the general partner of a 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 FUND HOLDINGS GP 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

KKR GROUP HOLDINGS L.P. By: KKR Group 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 GROUP 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

KKR & CO. L.P. By: KKR Management LLC, its general partner By: /s/ Terence Gallagher Name: Terence Gallagher Title: Attorney-in-fact for William J. Janetschek, Chief Financial Officer 11/12/2014

^** Signature of Reporting Person Date

KKR MANAGEMENT LLC By: /s/ Terence Gallagher Name: Terence Gallagher Title: Attorney-in-fact for William J. Janetschek, Chief Financial Officer 11/12/2014

^** Signature of Reporting Person Date

HENRY R. KRAVIS By: /s/ Terence Gallagher Name: Terence Gallagher Title: Attorney-in-fact 11/12/2014

^** Signature of Reporting Person Date

GEORGE R. ROBERTS By: /s/ Terence Gallagher Name: Terence Gallagher Title: Attorney-in-fact 11/12/2014

^** Signature of Reporting Person Date

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 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).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

Table I - Non-Derivative Securities Beneficially Owned
Common Stock	39933657	I	See Footnotes ⁽¹⁾ ⁽²⁾

Exhibit 24

POWER OF ATTORNEY

Know all men by these presents that Henry R. Kravis does hereby make, constitute and appoint William J. Janetschek, David J. Sorkin, Terence P. Gallagher, and Christopher B. Lee, or any one of them, as a true and lawful attorney-in-fact of the undersigned with full powers of substitution and revocation, for and in the name, place and stead of the undersigned (both in the undersigned’s individual capacity and as a manager or member of any limited liability company, as a partner of any partnership, as an officer of any corporate or other entity, or in the undersigned’s capacity in a position similar to the foregoing at any entity, in each case, for which the undersigned is otherwise authorized to sign), to execute and deliver such forms, schedules, statements and other documents as may be required to be filed from time to time with the Securities and Exchange Commission with respect to: (i) Sections 13(d), 13(g), 13(f), 13(h) and 16(a) of the Securities Exchange Act of 1934, as amended, including without limitation, Schedule 13D, Schedule 13G, Form 13F, Form 13H, Form 3, Form 4 and Form 5 and (ii) in connection with any applications for EDGAR access codes, including without limitation the Form ID.

	/s/ Henry R. Kravis
	Name: Henry R. Kravis

Date: May 28, 2014

POWER OF ATTORNEY

Know all men by these presents that George R. Roberts does hereby make, constitute and appoint William J. Janetschek, David J. Sorkin, Terence P. Gallagher, and Christopher B. Lee, or any one of them, as a true and lawful attorney-in-fact of the undersigned with full powers of substitution and revocation, for and in the name, place and stead of the undersigned (both in the undersigned’s individual capacity and as a manager or member of any limited liability company, as a partner of any partnership, as an officer of any corporate or other entity, or in the undersigned’s capacity in a position similar to the foregoing at any entity, in each case, for which the undersigned is otherwise authorized to sign), to execute and deliver such forms, schedules,

statements and other documents as may be required to be filed from time to time with the Securities and Exchange Commission with respect to: (i) Sections 13(d), 13(g), 13(f), 13(h) and 16(a) of the Securities Exchange Act of 1934, as amended, including without limitation, Schedule 13D, Schedule 13G, Form 13F, Form 13H, Form 3, Form 4 and Form 5 and (ii) in connection with any applications for EDGAR access codes, including without limitation the Form ID.

	/s/ George R. Roberts
	Name: George R. Roberts

Date: May 28, 2014

POWER OF ATTORNEY

Know all men by these presents that William J. Janetschek does hereby make, constitute and appoint David J. Sorkin, Terence P. Gallagher, and Christopher B. Lee, or any one of them, as a true and lawful attorney-in-fact of the undersigned with full powers of substitution and revocation, for and in the name, place and stead of the undersigned (both in the undersigned’s individual capacity and as a manager or member of any limited liability company, as a partner of any partnership, as an officer of any corporate or other entity, or in the undersigned’s capacity in a position similar to the foregoing at any entity, in each case, for which the undersigned is otherwise authorized to sign), to execute and deliver such forms, schedules, statements and other documents as may be required to be filed from time to time with the Securities and Exchange Commission with respect to: (i) Sections 13(d), 13(g), 13(f), 13(h) and 16(a) of the Securities Exchange Act of 1934, as amended, including without limitation, Schedule 13D, Schedule 13G, Form 13F, Form 13H, Form 3, Form 4 and Form 5 and (ii) in connection with any applications for EDGAR access codes, including without limitation the Form ID.

	/s/ William J. Janetschek
	Name: William J. Janetschek

Date: May 28, 2014

No data

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	39933657	I	See Footnotes ⁽¹⁾ ⁽²⁾

*Table II - Derivative Securities Beneficially Owned ( e.g.* , puts, calls, warrants, options, convertible securities)**
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		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)
1. Title of Derivate Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)

Explanation of Responses:
(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.

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
KKR Fund Holdings L.P. C/O KOHLBERG KRAVIS ROBERTS & CO. L.P., 9 WEST 57TH STREET, SUITE 4200 NEW YORK, NY 10019		X
KKR Fund Holdings GP Ltd C/O KOHLBERG KRAVIS ROBERTS & CO. L.P., 9 WEST 57TH STREET, SUITE 4200 NEW YORK, NY 10019		X
KKR Group Holdings L.P. C/O KOHLBERG KRAVIS ROBERTS & CO. L.P., 9 WEST 57TH STREET, SUITE 4200 NEW YORK, NY 10019		X
KKR Group Ltd C/O KOHLBERG KRAVIS ROBERTS & CO. L.P., 9 WEST 57TH STREET, SUITE 4200 NEW YORK, NY 10019		X
KKR & Co. L.P. C/O KOHLBERG KRAVIS ROBERTS & CO. L.P., 9 WEST 57TH STREET, SUITE 4200 NEW YORK, NY 10019		X
KKR Management LLC C/O KOHLBERG KRAVIS ROBERTS & CO. L.P., 9 WEST 57TH STREET, SUITE 4200 NEW YORK, NY 10019		X
KRAVIS HENRY R C/O KOHLBERG KRAVIS ROBERTS & CO. L.P., 9 WEST 57TH STREET, SUITE 4200 NEW YORK, NY 10019		X
ROBERTS GEORGE R C/O KOHLBERG KRAVIS ROBERTS & CO. L.P., 9 WEST 57TH STREET, SUITE 4200 NEW YORK, NY 10019		X

Signatures
KKR FUND HOLDINGS L.P. By: KKR Group Limited, the general partner of a 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 FUND HOLDINGS GP 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
KKR GROUP HOLDINGS L.P. By: KKR Group 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 GROUP 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
KKR & CO. L.P. By: KKR Management LLC, its general partner By: /s/ Terence Gallagher Name: Terence Gallagher Title: Attorney-in-fact for William J. Janetschek, Chief Financial Officer		11/12/2014
^** Signature of Reporting Person		Date
KKR MANAGEMENT LLC By: /s/ Terence Gallagher Name: Terence Gallagher Title: Attorney-in-fact for William J. Janetschek, Chief Financial Officer		11/12/2014
^** Signature of Reporting Person		Date
HENRY R. KRAVIS By: /s/ Terence Gallagher Name: Terence Gallagher Title: Attorney-in-fact		11/12/2014
^** Signature of Reporting Person		Date
GEORGE R. ROBERTS By: /s/ Terence Gallagher Name: Terence Gallagher Title: Attorney-in-fact		11/12/2014
^** Signature of Reporting Person		Date

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 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).
Note:	File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.