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 *   ONTARIO TEACHERS PENSION PLAN BOARD 2. Date of Event Requiring Statement (Month/Day/Year) 11/06/2014 3. Issuer Name and Ticker or Trading Symbol INC Research Holdings, Inc. [INCR] (Last) (First) (Middle) 5650 YONGE STREET 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) 11/06/2014 (Street) TORONTO, A6 M2M 4H5 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) Class A Common Stock, par value $0.01 per share (1) 14,350,188 (1) D   Class A Common Stock, par value $0.01 per share (1) (2) 10,530,718 (1) (2) D Â

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
ONTARIO TEACHERS PENSION PLAN BOARD 5650 YONGE STREET TORONTO, A6 M2M 4H5	Â	  X	Â	Â
1829356 Ontario Ltd 5650 YONGE STREET, SUITE 300 TORONTO, A6 M2M 4H5	Â	  X	Â	Â

Signatures

/s/ Rossana Di Lieto, Chief Compliance Officer		02/11/2015
**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 reported securities are owned by 1829356 Ontario Limited, a wholly-owned subsidiary of Ontario Teachers' Pension Plan Board ("OTPP"). Each of Messrs. Terry Woodward and Steve Faraone may be deemed to have the power to dispose of the shares held by OTPP because of a delegation of authority from the Board of Directors of OTPP, and each expressly disclaims beneficial ownership of such shares.
(2)	OTPP may, at any time, elect to convert shares of Class B common stock into an equal number of shares of Class A common stock, or convert shares of Class A common stock into an equal number of shares of Class B common stock. The table above does not reflect (i) shares of Class B common stock issuable upon conversion of Class A common stock or (ii) shares of Class A common stock issuable upon conversion of Class B common stock.
  Remarks: This Form 3/A amends the Form 3 filed on November 6, 2014 to add 1829356 Ontario Limited as an additional reporting person and to correct the number of shares beneficially owned by the reporting persons.

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